CN121079004A - sock - Google Patents

Abstract

The sock of the present invention is characterized by comprising a sock body (100) and an annular fastening portion (120) provided so as to cover the instep and the sole of the foot at a portion of the sock body corresponding to at least one of the bone head portion and the base portion of the 5 metatarsals of the wearer, wherein the fastening force of the fastening portion is greater than the fastening force of a portion of the sock body other than the fastening portion, or the sock of the present invention is characterized by comprising a sock body and an annular fastening portion provided at a portion of the sock body corresponding to at least one of the metatarsophalangeal joint, the tarsophalangeal joint, the joints of the toes, and the ankle joint of the joints of the foot of the wearer, wherein the fastening force of the fastening portion is greater than the fastening force of a portion of the sock body other than the fastening portion.

Description

Socks

Technical Field

The present invention relates to a sock for correcting the arch of the foot.

Background

Fig. 1 shows bones of a human foot, and fig. 2 shows an arch structure of the human foot. As shown in these figures, the human foot (the portion from the ankle (or ankle) to the toe) is composed of 26 bones in total of 7 tarsal bones, 5 metatarsal bones, and 14 phalanges, and joints are formed at the joints of the bones. The 26 bones are interconnected by a plurality of ligaments, and the combination of bones, joints, ligaments, muscles, etc. form the arch structure.

The arch structure of the foot (hereinafter referred to as the "arch") is composed of the medial longitudinal arch connecting the heel bone and the 1 st metatarsal bone, the lateral longitudinal arch connecting the heel bone and the 5 th metatarsal bone, and the lateral arch connecting the 1 st metatarsal bone and the 5 th metatarsal bone. In japan, the depression formed in the sole of the foot by the arch is called "arch".

The arch is supported by tissues such as ligaments, muscles, tendons, etc. located around bones, and maintains an upright posture in cooperation with a series of muscles from the top of the head to the back, buttocks, thighs, and the rear of the lower legs. The arch also functions as a cushion for absorbing shock applied to the sole of the foot when walking on both feet.

The three-dimensional shape of the arch sometimes takes shape due to the decrease in the muscle strength of the sole, ligament laxity, and weight gain caused by the aging and lack of exercise. When the three-dimensional shape of the arch is contoured, the balance of the arch with various parts from the top of the head to the back, buttocks, thighs, and the rear of the lower leg is broken. As a result, the upright posture cannot be maintained, and a bad posture such as humpback is caused. In addition, if the arch is formed so that the depression of the sole is lost (flat foot), the impact applied to the sole cannot be sufficiently absorbed during the bipedal walking, and the load is imposed on the knee and the waist.

In contrast, for example, patent document 1 discloses a sock in which an arch support portion is provided in a portion of a sock body corresponding to an arch so as to wrap around the entire circumference of a sole and an instep. The arch support is formed by knitting a thread which is harder to stretch than the thread of the sock body into the base structure of the sock body. With this structure, the arch support portion in the sock body has a stronger fastening force than the other portions. Therefore, when a person whose foot sole is flattened by walking the three-dimensional shape of the arch wears the sock having the above-described structure, the foot sole and the instep corresponding to the arch are tightened by the arch support portion, and the arch is corrected to a normal three-dimensional shape.

Prior art literature

Patent literature

Patent document 1 Japanese patent laid-open No. 2020-133046

Disclosure of Invention

Problems to be solved by the invention

For example, in the case of a person with an O-leg, weight is applied to the outer side (little toe side) of the foot, and the arch may incline to the outer side of the foot. When the arch is inclined, the balance between the arch and each part from the top of the head to the back, buttocks, thighs, and the rear parts of the lower legs is also broken, and a bad posture is caused. However, in the sock described in patent document 1, the arch of the wearer cannot be sufficiently corrected in a tilted state.

The invention aims to solve the problem that by putting on socks, the arch in various bad states can be corrected to be in a normal state.

Solution for solving the problem

A sock according to claim 1 of the present invention, which solves the above-described problems, is characterized by comprising:

sock main body, and

An annular fastening portion disposed so as to cover the instep and the sole of the foot at a portion of the sock body corresponding to at least one of the head portion and the base portion of the 5 metatarsal bones of the wearer,

The fastening force of the fastening portion is greater than the fastening force of a portion of the sock body other than the fastening portion.

In order to solve the above-described problems, a sock according to claim 2 of the present invention is a sock including:

sock main body, and

A ring-shaped fastening portion provided in a portion of the sock body corresponding to at least one of a metatarsophalangeal joint, a tarsometatarsal joint, a toe joint and an ankle joint of 5 joints of a foot of a wearer,

The fastening force of the fastening portion is greater than the fastening force of a portion of the sock body other than the fastening portion.

Effects of the invention

The metatarsophalangeal joint is located at the bone portion of the 5 metatarsals, and the tarsometatarsal joint is located at the basal portion of the 5 metatarsals. Therefore, the wearer of the sock according to claim 1 of the present invention tightens the instep and the sole around the metatarsophalangeal joint and/or the tarsometatarsal joint of the foot strongly by the tightening portion, and corrects the arch to a three-dimensional shape. Further, since the metatarsophalangeal joints and/or tarsometatarsal joints of the wearer's foot are stimulated by the fastening force of the fastening portion, the wearer can return to a normal state when the arch of the wearer is inclined or the position of the bones of the foot is deformed.

In addition, the wearer of the sock according to claim 2 strongly tightens the instep and the sole of at least one of the 5 joints surrounding the foot with the tightening portion, and corrects the arch to a three-dimensional shape. Further, at least one of the 5 kinds of joints is stimulated by the tightening force of the tightening part, and therefore, the wearer can return to a normal state when the arch of the wearer is inclined or the position of the bones of the foot is deformed.

Drawings

Fig. 1 is a diagram showing bones of a human foot.

Fig. 2 is a diagram showing the arch of a person.

Fig. 3 is a view of the right foot wearing the sock according to embodiment 1 of the present invention, as seen from the thumb side.

Fig. 4 (a) is a view of a right foot wearing the sock according to the above embodiment when viewed from the instep side, and fig. 4 (b) is a view of a right foot wearing the sock according to the above embodiment when viewed from the sole side.

Fig. 5 is a view of the right foot wearing the sock according to embodiment 2 of the present invention, as seen from the thumb side.

Fig. 6 (a) is a view of a right foot wearing the sock according to the above embodiment when viewed from the instep side, and fig. 6 (b) is a view of a right foot wearing the sock according to the above embodiment when viewed from the sole side.

Fig. 7 is a view of the right foot wearing the sock according to embodiment 3 of the present invention, as seen from the thumb side.

Fig. 8 (a) is a view of a right foot wearing the sock according to the above embodiment as viewed from the instep side, and fig. 8 (b) is a view of a right foot wearing the sock according to the above embodiment as viewed from the sole side.

Fig. 9 is a view of the right foot wearing the sock according to embodiment 4 of the present invention, seen from the thumb side.

Fig. 10 (a) is a view of a right foot wearing the sock according to the above embodiment as viewed from the instep side, and fig. 10 (b) is a view of a right foot wearing the sock according to the above embodiment as viewed from the sole side.

Fig. 11 is a view of the right foot wearing the sock according to embodiment 5 of the present invention, seen from the thumb side.

Fig. 12 (a) is a view of a right foot wearing the sock according to the above embodiment when viewed from the instep side, and fig. 12 (b) is a view of a right foot wearing the sock according to the above embodiment when viewed from the sole side.

Fig. 13 is a view of the right foot wearing the sock according to embodiment 6 of the present invention, seen from the thumb side.

Fig. 14 (a) is a view of a right foot on which the sock of the above embodiment is worn as viewed from the instep side, and fig. 14 (b) is a view of a right foot of the sock of the above embodiment as viewed from the sole side.

Fig. 15 (a) is a view of a right foot wearing the sock of the reference example as viewed from the instep side, and fig. 15 (b) is a view of a left foot wearing the sock as viewed from the instep side.

Fig. 16 is a diagram showing an example of treatment.

Detailed Description

As described above, the foot is composed of a plurality of bones and joints at a plurality of locations (see fig. 1). The state of the joints affects the daily activities and walking of the person. In addition, it is known from observation of spinal cord reflex at the foot that the state of the bone of the foot is correlated with the state of the bone of the back. Specifically, the conditions of the heel bone and the sacrum, the talus bone and the lumbar, the navicular, the metatarsal bone and the thoracic, the phalanges and the cervical, respectively, are associated.

When the representative 5 joints (metatarsophalangeal joint, tarsometatarsal joint, joints of the toes and ankle joint) among the joints of the foot are stimulated, the bones of the foot can be positioned correctly. It is known that when bones of a foot are positioned at a correct position, the spine maintains a natural curvature, and is in a stable posture that does not put a load on the body, i.e., a so-called neutral position (natural relaxed posture).

Accordingly, the present inventors have conducted experiments on a plurality of subjects, in which the belt was wound around the positions corresponding to the above 5 joints, and the walking posture and the resting posture of the subject before and after winding the belt were observed. Further, the state of the joint before and after winding the belt and the state of the joint after winding the belt were examined from each subject. As a result, it was found that by winding the belt around the positions corresponding to the 5 joints, the state of the joints changes, and accordingly, the walking posture and the resting posture change.

Such a change in the state and posture of the joint is thought to be caused by the fact that the instep and sole are tightened by winding around the portion of the instep and sole corresponding to the joint of the foot, and the bones of the joint and the vicinity thereof are stimulated. The stimulation of joints of the foot and bones in the vicinity thereof corresponds to the treatment performed to improve the walking posture and the resting posture of the subject, as shown in fig. 16 (a) to (f), for example. Accordingly, the present inventors have completed the present invention by considering that a sock is worn to give a function equivalent to the therapy to a wearer of the sock. The sock of the present invention has been completed based on findings obtained from the above-described experiment, listening to a survey, and the like.

Hereinafter, modes for carrying out the present invention will be described with reference to the drawings.

< Embodiment 1>

Embodiment 1 is configured by a pair of socks including a sock for right foot and a sock for left foot. Fig. 3 is a view of a right foot on which the right foot sock according to embodiment 1 is worn, viewed from the hallux side, fig. 4 (a) is a view of a right foot on which the right foot sock is worn, viewed from the instep side, and fig. 4 (b) is a view of a right foot on which the right foot sock 100 is worn, viewed from the sole side. The sock for right foot and the sock for left foot (not shown) are in a bilateral symmetry shape, and have the same structure and the same function, and therefore the structure, function, and the like of the sock will be described below without distinction between the left and right.

Sock 100 includes sock body 110 having foot insertion opening 111, and fastening portion 120 formed on sock body 110. The fastening portion 120 is formed in a ring shape so as to cover a portion where the bone portion 16 of the 5 metatarsal bones B1 (1 st metatarsal 11, 2 nd metatarsal 12, 3 rd metatarsal 13, 4 th metatarsal 14, 5 th metatarsal 15) of the wearer's foot is located from the instep to the sole. The portion of the metatarsal with the basal portion 17 is not covered by the fastening portion 120. The fastening portion 120 is formed to have a substantially uniform width throughout the entire circumference, for example, 20 to 50mm.

The fastening portion 120 is constituted by a medial fastening portion 121 located on the big toe side and a lateral fastening portion 122 located on the little toe side. The medial fastening portion 121 is configured to cover a portion of the sole corresponding to the 1st metatarsal 11 to a portion of the instep corresponding to the 2 nd metatarsal 12. On the other hand, the outer fastening portion 122 is configured to cover at least portions of the instep and sole of the foot corresponding to the 3 rd, 4 th, and 5 th metatarsals 13, 14, and 15. The medial fastening portion 121 may cover at least a portion of the instep and sole of the foot corresponding to the 1st metatarsal 11.

The sock body 110 is formed of a cloth such as a stretchable knitted fabric or a woven fabric, and the fastening portion 120 in the sock body 110 is configured to have a lower stretch ratio than the other portions (non-fastening portions). The sock body 110 may be configured by joining a fastening portion 120 formed of a different cloth to a non-fastening portion, or may be configured by performing a process for reducing the expansion/contraction ratio on a portion of the sock body 110 corresponding to the fastening portion 120. In any case, the non-fastening portion of the sock body 110 has stretchability to the same extent as that of a general sock, and the fastening portion 120 is configured to have lower stretchability than the non-fastening portion. The inner fastening portion 121 constituting the fastening portion 120 is configured to have a lower expansion/contraction ratio than the outer fastening portion 122. With this configuration, the portion of the sole and instep of the wearer of sock 100 covered by fastening portion 120 is tightened with a stronger force than the other portions, and the portion covered by inner fastening portion 121 is tightened with a stronger force than the portion covered by outer fastening portion 122.

In the case where sock body 110 is configured by joining fastening portion 120 and non-fastening portion, fastening portion 120 can be formed by, for example, the following method.

In method 1, the fastening portion 120 is formed by joining an inner fastening portion 121 having predetermined stretchability and an outer fastening portion 122 formed of a high stretch cloth having higher stretchability than the inner fastening portion 121.

In method 2, two band-shaped cloths having a higher expansion/contraction ratio from one end side to the other end side are prepared, and the two band-shaped cloths are joined to each other at one end side and to each other at the other end side, thereby forming the fastening portion 120. In this case, one end side of the two pieces of cloth to be joined serves as an inner fastening portion 121, and the other end side serves as an outer fastening portion 122.

In method 3, the fastening portion 120 is formed of a tubular knitted fabric or woven fabric having different stitches or holes in a portion corresponding to the inner fastening portion 121 and a portion corresponding to the outer fastening portion 122. The fastening portion 120 of the structure has no seams.

The following method is an example of a treatment method for reducing the expansion and contraction rate of the sock body 110 at a portion corresponding to the fastening portion 120.

When sock body 110 is made of a knitted fabric, reinforcing threads are knitted in a portion corresponding to fastening portion 120, or a stitch density (stitch size) at the time of knitting the knitted fabric is reduced, or a knitting structure (tuck knitting, float knitting, etc.) having low stretchability is formed.

When sock body 110 is made of a fabric, the ratio of elastic threads constituting the portion corresponding to fastening portion 120 is increased, the elastic threads are thickened, or elastic threads having a high elastic modulus are used.

When sock body 110 is made of a knitted fabric or a woven fabric, a portion corresponding to fastening portion 120 is coated with a resin such as silicone or a fabric or a cloth having low stretchability such as stretch mesh is attached.

When the sock 100 having the above-described structure is worn, the wearer's instep and the portion of the sole corresponding to the arch are tightened by the tightening portion 120, and thus the arch is corrected to a three-dimensional shape. In addition, a greater pressure is applied to the portion of the wearer's foot corresponding to the inner fastening portion 121 than the portion corresponding to the outer fastening portion 122. This can provide the same effect as in the case of performing the "eversion" of fig. 16 (b) and the "abduction" of fig. 16 (f) on the foot of the wearer.

Accordingly, the arch of the foot slightly floating on the thumb side due to the shift of the center of gravity is pushed back to the normal position, and as a result, the arch is corrected to the normal state. In the present embodiment, since the portion corresponding to the bone portion 16 of the metatarsal (the end portion on the metatarsophalangeal joint 21 side) is tightened by the tightening portion 120, the posture of the person who tends to concentrate on the back humpback of the metatarsophalangeal joint 21 can be effectively improved.

< Embodiment 2 >

Fig. 5 is a view of a right foot on which the right foot sock according to embodiment 2 is worn, viewed from the hallux side, fig. 6 (a) is a view of a right foot on which the right foot sock is worn, viewed from the instep side, and fig. 6 (b) is a view of a right foot on which the right foot sock is worn, viewed from the sole side. As in embodiment 1, the sock according to embodiment 2 is also composed of a right-foot sock and a left-foot sock which are symmetrical in shape, and therefore the structure, function, and the like of the sock are not described separately.

The sock 200 according to embodiment 2 includes a sock body 210 having a foot insertion port 211, and a fastening portion 220 formed in the sock body 210. The fastening portion 220 is composed of an instep side fastening portion 221 covering the instep and a sole side fastening portion 222 covering the sole. The instep-side fastening portion 221 is configured such that the expansion/contraction ratio in a direction (direction indicated by an arrow A1 in fig. 6 a) inclined from the outside (little toe side) toward the inside (big toe side) toward the toe side is greater than the expansion/contraction ratio in the other directions. Similarly, the sole-side fastening portion 222 is configured such that the expansion/contraction ratio in a direction (direction indicated by arrow A2 in fig. 6 b) inclined from the outer side (little toe side) toward the inner side (big toe side) toward the toe side is larger than the expansion/contraction ratio in the other directions.

The position of fastening portion 220 in sock 210 of the present embodiment is the same as the position of fastening portion 120 in sock 100 of embodiment 1. The method for forming sock body 210 and fastening portion 220 is similar to the method for forming sock body 110 and fastening portion 120 according to embodiment 1, and various methods can be used as described above.

The wearer wearing the sock 200 according to the present embodiment tightens the portions of the instep and the sole corresponding to the arch by the tightening force of the tightening portion 220. Accordingly, the arch of the wearer is corrected to a normal three-dimensional shape. The wearer of the sock 200 applies a force in the direction indicated by the arrow A3 in fig. 6 (a) to the hallux side end portion of the instep and applies a force in the direction indicated by the arrow A4 in fig. 6 (a) to the little toe side end portion by the instep side fastening portion 221. As a result, a force indicated by an arrow A5 in fig. 6 (b) acts on the entire foot of the wearer. By applying such a force to the foot, the same effect as in the case of performing the treatment such as "inversion" shown in fig. 18 is obtained in the foot. As a result, the joints that harden due to, for example, injury, sequelae of surgery, and aging are stimulated, and the wearer's foot, spine, and whole body return to the neutral position.

< Embodiment 3>

Fig. 7 is a view of a right foot on which the right foot sock according to embodiment 3 is worn, viewed from the hallux side, fig. 8 (a) is a view of a right foot on which the right foot sock is worn, viewed from the instep side, and fig. 8 (b) is a view of a right foot on which the right foot sock is worn, viewed from the sole side. As in embodiment 1, the sock according to embodiment 3 is also composed of a right-foot sock and a left-foot sock which are symmetrical in shape, and therefore the structure, function, and the like of the sock are not described separately.

The sock 300 according to embodiment 3 includes a sock body 310 having a foot insertion opening 311, and a fastening portion 320 formed in the sock body 310. The position of fastening portion 320 of sock 300 according to this embodiment is different from the position of fastening portion 120 in sock 100 according to embodiment 1. That is, the fastening portion 320 is disposed on the sock body 310 so as to cover a portion of the sole from the instep to the sole corresponding to the base portion 17 of the 5 metatarsals B1, but not to cover the bone portion 16 of the metatarsals B1. The structure of sock 300 other than the position of fastening portion 310 is the same as that of sock 100 of embodiment 1, and therefore a detailed description thereof is omitted.

The wearer wearing the sock 300 according to the present embodiment tightens the portion of the instep and sole corresponding to the base 17 of the metatarsal bones by the tightening portion 320. Accordingly, the arch is corrected to a three-dimensional shape. In addition, a greater pressure is applied to the portion of the foot of the wearer of sock 300 corresponding to inner fastening portion 321 than the portion corresponding to outer fastening portion 322. Therefore, when the wearer slightly floats the thumb side of the foot due to the shift of the center of gravity, the bone of the foot can be pushed back to the normal position, and the arch can be corrected to the normal state. In addition, in the present embodiment, since the fastening portion 320 tightens the portion of the instep and the sole corresponding to the base portion 17 of the metatarsal (the end portion on the tarsometatarsal joint 22 side), the posture of the person whose body weight is easily concentrated on the lumbar humpback of the tarsometatarsal joint 22 can be effectively improved.

< Embodiment 4 >

Fig. 9 is a view of a right foot on which the right foot sock according to embodiment 4 is worn, viewed from the hallux side, fig. 10 (a) is a view of a right foot on which the right foot sock is worn, viewed from the instep side, and fig. 10 (b) is a view of a right foot on which the right foot sock is worn, viewed from the sole side. As in embodiment 1, the sock according to embodiment 2 is also composed of a right-foot sock and a left-foot sock which are symmetrical in shape, and therefore the structure, function, and the like of the sock are not described separately.

The sock 400 according to embodiment 4 includes a sock body 410 having a foot insertion opening 411, a fastening portion 420 formed in the sock body, and a plurality of marks (marks) provided on the surface of the sock body 410. Sock 400 of this embodiment is different from sock 100 of embodiment 1 in that it has a mark, and the other configuration is the same as sock 100 of embodiment 1. The labeling of the sock 400 will be described in detail below, and the structure of the sock 400 other than the labeling will be omitted.

The indication is provided on the surface of the sock body 410 at a position corresponding to the treatment site of the wearer, and indicates the treatment site effective for improving the discomfort of the wearer due to the arch shaping. Specifically, marks 431, 432, 433, 434, 435 are provided on the surface of the sock body 410, respectively, at two portions corresponding to the left and right ankle (ankle bone portion) of the wearer, at two portions on the toe side of the ankle, at two portions on the heel side of the ankle, at portions corresponding to the 1 st and 5 th metatarsals 11, 15 of the instep, and at the surface of the fastening portion 420 located on the sole of the foot. Further, a marker 436 constituted by a pair of arrows arranged so that the arrows face each other is attached between the two markers 434. The arrow mark 436 is disposed on a straight line connecting the two marks 434. In the present embodiment, the marks 431, 432, 433, 434, 435 are triangular, quadrangular, circular, rhombic, and elliptical, respectively, but may be any or all of the same shape.

The marks 431 to 436 are formed by coating polyurethane resin or attaching a thin resin sheet to the surface of the sock body 410. In this configuration, since the sock body 410 and the marks 431 to 436 have different touch feeling, they can be distinguished, and thus the sock body 410 and the marks 431 to 436 may have the same color or different colors.

The marks 431 to 436 may be formed by making the colors of the knitted fabric or the woven fabric constituting the portions corresponding to the marks 431 to 436 of the sock body 410 different from those of the other portions. With this arrangement, the uncomfortable feeling caused by the setting of the marks 431 to 436 can be eliminated.

The marks 431 to 435 indicate the areas of the sock 400 where the feet of the wearer are to be treated, and the mark 436 indicates the direction of the applied force when the areas indicated by the mark 434 are to be treated. The sizes of the marks 431 to 435 indicate the areas to be treated, and in general, the areas corresponding to the small marks 431 to 434 are treated by finger pressure (finger pressure), and the areas corresponding to the large marks 435 are treated by palm pressure. In addition, the label 436 indicates the direction in which the label 434 is pressed.

Therefore, the user can apply appropriate treatment to appropriate portions of the foot by pressing the foot against the wearer of the sock 400 from above the marks 431 to 435 using the fingers or the palm. In this way, sock 400 has an effect of supporting therapy for alleviating discomfort caused by the shape of the arch of the wearer in addition to the effect of correcting the shape of the arch.

Further, the marks 431 to 436 may be provided with information such as a number indicating the order of treatment and the name of the treatment site. In addition, 1 to 5 kinds of marks 431 to 436 selected from 6 kinds of marks 431 to 436 may be provided without providing all 6 kinds of marks 431 to 436 on the sock body 410. The marks may be provided at positions other than those shown in fig. 9 and 10. Further, marks 431 to 436 may be attached to sock 200 according to embodiment 2.

< Embodiment 5 >

Fig. 11 is a view of a right foot on which the right foot sock according to embodiment 5 is worn, viewed from the hallux side, fig. 12 (a) is a view of a right foot on which the right foot sock is worn, viewed from the instep side, and fig. 12 (b) is a view of a right foot on which the right foot sock is worn, viewed from the sole side. As in embodiment 1, the sock according to embodiment 5 is also composed of a right-foot sock and a left-foot sock which are symmetrical in shape, and therefore the structure, function, and the like of the sock are not described separately.

The sock 500 according to embodiment 5 includes a sock body 510 having a foot insertion opening 511, and a plurality of fastening portions formed in the sock body 510. The sock 500 of the present embodiment is a 5-toe type sock in which the toe-covering portion is separated into 5 pieces.

The fastening portions of the sock 500 according to the present embodiment include a big toe fastening portion 521, a middle toe fastening portion 522, and a little toe fastening portion 523, which are provided in regions corresponding to the proximal phalanges (big toe) 1, proximal phalanges (middle toe) 3, and proximal phalanges (little toe) 5 of the sock main body 510, respectively, a big toe tip side fastening portion 524, which is provided in a region corresponding to the toe tip side of the proximal phalanges 1, a middle foot fastening portion 525, which is provided in a region corresponding to the region between the metatarsophalangeal joint and the tarsometatarsal joint, a center fastening portion 526, which is provided in a region corresponding to the lateral tarsal joint, and 1 ankle fastening portion 527, which is provided in a region corresponding to the ankle joint (ankle). The 7 fastening portions 521 to 527 are each annular and are configured to cover the instep side and the sole side of the sock body 510.

The sock according to embodiment 5 is a sock for men made in consideration of the arch structure of the feet of men. By wearing the sock by a female wearer, the arch can be corrected to a normal state or the walking posture and the resting posture can be corrected to a normal state more effectively.

< Embodiment 6 >

Fig. 13 is a view of a right foot on which the right foot sock according to embodiment 6 is worn, viewed from the hallux side, fig. 14 (a) is a view of a right foot on which the right foot sock is worn, viewed from the instep side, and fig. 14 (b) is a view of a right foot on which the right foot sock is worn, viewed from the sole side. As in embodiment 1, the sock according to embodiment 5 is also composed of a right-foot sock and a left-foot sock which are symmetrical in shape, and therefore the structure, function, and the like of the sock are not described separately.

The sock 600 according to embodiment 6 includes a sock body 610 having a foot insertion port 611, and a plurality of fastening portions formed in the sock body 610. The sock 600 of the present embodiment is also a 5-toe type sock in which the toe-covered portion is separated into 5 pieces, as in the sock 500 of embodiment 5.

The fastening portion of the sock 600 of the present embodiment includes a thumb fastening portion 621, a second toe fastening portion 622, and a fourth toe fastening portion 623 provided in regions corresponding to base ends (portions near the metatarsophalangeal joints) of the 1 st proximal phalange (the great toe), the 2 nd proximal phalange (the second toe), and the 4 th proximal phalange (the fourth toe) of the sock main body 610, respectively, a thumb tip side fastening portion 624 provided in a region corresponding to the toe tip side portion of the 1 st proximal phalange, a midfoot fastening portion 625 provided in a region corresponding to between the metatarsophalangeal joints and the tarsometatarsal joints, a center fastening portion 626 provided in a region corresponding to the lateral tarsal joints, and 1 ankle fastening portion 627 provided in a region corresponding to the ankle joints (the ankle). The 7 fastening portions 621 to 627 are each annular and are configured to cover the instep side and the sole side of the sock body 610.

The sock according to embodiment 6 is a female sock manufactured in consideration of the arch structure of a female foot. By wearing the sock by a female wearer, the arch can be corrected to a normal state or the walking posture and the resting posture can be corrected to a normal state more effectively.

(Modification)

The embodiments for carrying out the present invention have been described above with reference to specific examples, but the present invention is not limited to the above-described embodiments, and appropriate modifications are allowed within the scope of the gist of the present invention.

The sock of the present invention may cover at least the sole and instep of the foot, and includes socks (socks, stockings), tights, stockings, and the like of various lengths. In addition, a part or the whole of the toe may be exposed, or the toe-covered portion may be separated into several portions. From the viewpoint of preventing the shift when wearing, the sock is preferably a sock separated into a portion covering the big toe and a portion covering the other toes, a sock separated into a portion covering the toes, a portion covering the second to fourth toes and a portion covering the little toe, or a sock separated entirely from a portion covering 5 toes.

In the above embodiment, the fastening portion is formed in a band shape having substantially the same width in the circumferential direction, but may be formed to have a wider width on the toe side than on the little toe side of the foot. Accordingly, the thumb side of the foot can be tightened with a larger area, and therefore the arch inclined toward the little toe side can be effectively corrected.

In the above embodiment, the fastening portion is formed to cover either the bone portion or the basal portion of the metatarsal, but may be formed to cover both the bone portion and the basal portion of the metatarsal without covering the portion between the bone portion and the basal portion.

The fastening portion 220 of the sock 200 according to embodiment 2 may be configured such that the stretching force in the direction indicated by the arrow A3 is lower than the stretching force in the direction indicated by the arrow A4. With this structure, similarly to sock 100 of embodiment 1, the tightening force of tightening unit 220 is increased on the big toe side, and a strong tightening force is applied to the big toe side of the foot. As a result, the fastening portion 220 generates a force to the leg portion that strongly twists the leg portion in the inward direction. This can exert the effect of correcting the arch to a normal angle more strongly, and can achieve the same effect as in the case of performing the "inversion" of fig. 16 (a) and the "adduction" of fig. 16 (e).

In the sock 200 according to embodiment 2, the expansion and contraction directions are the same throughout the entire circumference in the instep side fastening portion 221 and the sole side fastening portion 222, but the expansion and contraction directions may be switched by dividing the instep side fastening portion 221 and the sole side fastening portion 222 into a plurality of areas.

< Reference example >

Among the human feet are an axial foot (a foot for supporting the body) and a conventional foot (a foot for performing an exercise). Since the weight is concentrated on the little toe side of the foot in the axial foot, the big toe side tends to be slightly lifted. If the foot is deformed in this way, there is a problem in that a load is applied to the biceps femoris, which is one of the muscles constituting the popliteal cord muscle, the biceps femoris becomes hypertrophic, and the position of the pelvis connected to the biceps femoris shifts.

The present inventors have found that by wearing socks configured to tighten specific toes on the axial foot and the foot in the conventional manner, deformation of the foot due to shift of the center of gravity can be prevented, and shift of the pelvis can be prevented. The sock will be described below as a reference example.

Fig. 15 (a) is a view of a left foot of a sock 700 for a left foot worn with reference example, as viewed from the instep side, and fig. 15 (b) is a view of a right foot of a sock 700 for a right foot worn with reference example, as viewed from the instep side. In this reference example, a pair of socks for a person having a left foot as an axial foot and a right foot as a conventional foot will be described. Sock 700 is a so-called 5-toe type sock in which a toe-covering portion is separated into 5 pieces, and includes a sock body 710 having a foot insertion portion 711 and a plurality of toe fastening portions 721, 722, 723, 724 formed in sock body 710. The toe fastening parts 721 and 722 are formed in a loop shape so as to wrap around a portion corresponding to the proximal interphalangeal joint C3a of the middle toe of the left foot and a portion corresponding to the proximal interphalangeal joint C3b of the little toe of the left foot. The toe fastening parts 723 and 724 are each formed in a band shape so as to wrap a portion corresponding to the proximal interphalangeal joint C3C of the second toe of the right foot and a portion corresponding to the proximal interphalangeal joint C3d of the fourth toe of the right foot. The toe fastening parts 721 to 724 are made of cloth such as knitted fabric or woven fabric having lower stretchability than other parts of the sock body 710. Accordingly, the toe fastening parts 721 to 724 are stronger than other parts of the sock body 710.

The 5 toes are connected to various muscles for performing various actions of the foot (abduction/adduction, dorsiflexion/plantarflexion, supination/supination, and varus/valgus combining them, see fig. 16). In the sock 1E of this reference example, the function of the foot motion is improved by tightening a specific toe on the axial foot and the conventional foot, and applying a stimulus to the muscle connected to the toe. Specifically, the toe-in/toe-out function of the foot is enhanced by tightening the middle toe of the left foot (axial foot), and the toe-out function of the foot is enhanced by tightening the little toe of the left foot (axial foot). In addition, the dorsiflexion function of the foot is enhanced by tightening the fourth toe of the right foot (foot-using), and the varus function of the foot is enhanced by tightening the second toe of the right foot (foot-using). By improving such various functions by therapy, deformation of the foot due to the shift of the center of gravity of the wearer can be resisted. In addition, in the sock for a person having a right foot as an axial foot, a toe fastening part 721 and a toe fastening part 722 are formed in the sock for a right foot, and a toe fastening part 723 and a toe fastening part 724 are formed in the sock for a left foot (foot-used).

Mode for carrying out the invention

It will be apparent to those skilled in the art that the above-described exemplary embodiments are specific examples of the manner described below.

The sock according to one embodiment of the present invention is characterized by comprising a sock body and an annular fastening portion provided so as to cover the instep and the sole of the foot at a portion of the sock body corresponding to at least one of the head portion and the base portion of the 5 metatarsal bones of the sock wearer, wherein the fastening force of the fastening portion is greater than the fastening force of a portion of the sock body other than the fastening portion.

According to the sock of item 1, the instep and the sole surrounding the metatarsophalangeal joint and/or the tarsometatarsal joint of the foot of the wearer of the sock are strongly tightened by the tightening portion, and the arch is corrected to a three-dimensional shape. Further, since the metatarsophalangeal joints and/or tarsometatarsal joints of the wearer's foot are stimulated by the fastening force of the fastening portion, the wearer can return to a normal state when the arch of the wearer is inclined or the position of the bones of the foot is deformed.

(Item 2) with respect to the sock of item 2, the sock according to item 1, characterized in that,

The fastening portion is composed of an inner fastening portion and an outer fastening portion, and the fastening force of the inner fastening portion is greater than the fastening force of the outer fastening portion.

(Item 3) with respect to the sock of item 3, the sock according to item 1, characterized in that,

The tightening portion is configured such that the expansion/contraction ratio in a direction inclined from the toe side toward the hallux side toward the toe side is greater than the expansion/contraction ratio in other directions.

According to the sock of item 2 or 3, since the tightening force of the tightening portion is offset with respect to the direction in which the tightening portion annularly covers the instep and the sole, a tightening force with respect to the foot and a twisting force with respect to the foot are generated. In particular, when the expansion/contraction ratio in the direction inclined from the toe side toward the hallux side toward the toe side is larger than the expansion/contraction ratio in the other direction, a force is generated to rotate the foot inward and twist the foot. Therefore, by wearing the sock, the three-dimensional shape and inclination of the arch can be corrected to an appropriate state.

The sock according to another aspect of the present invention is characterized by comprising a sock body, and a ring-shaped fastening portion provided on a portion of the sock body corresponding to at least one of a metatarsophalangeal joint, a tarsophalangeal joint, a lateral tarsophalangeal joint, a toe joint and an ankle joint, which are joints of a foot of a wearer, wherein a fastening force of the fastening portion is greater than a fastening force of a portion of the sock body other than the fastening portion.

According to the sock of item 4, the wearer of the sock strongly tightens the instep and the sole of at least one of 5 joints surrounding the foot by the tightening portion, thereby correcting the arch into a three-dimensional shape. Further, at least one of the 5 kinds of joints is stimulated by the tightening force of the tightening part, and therefore, the wearer can return to a normal state when the arch of the wearer is inclined or the position of the bones of the foot is deformed.

(Item 5) with respect to the sock of item 5, the sock of item 4, wherein,

The fastening portion is provided at a portion of the sock body corresponding to each of joints of a big toe, a middle toe, and a little toe of 5 toes of a wearer.

According to the sock of item 5, the effect of correcting the three-dimensional shape of the arch of the wearer to be in a correct state can be obtained.

(6) With respect to the sock according to 6, according to 4, wherein the fastening portion is provided in a portion of the sock body corresponding to each of the joints of the thumb, the second toe, and the fourth toe of the joints of the 5 toes of the wearer.

According to the sock of item 6, the effect of correcting the three-dimensional shape of the arch of the female wearer to be in a correct state can be obtained.

(7 Th item) with respect to the sock of the 7 th item, the sock of the 5 th item, wherein the fastening portion is further provided at a portion of the sock body corresponding to a metatarsophalangeal joint, a tarsometatarsal joint, and an ankle joint of the wearer.

(8) With respect to the sock according to 8, according to 6, wherein the fastening portion is further provided at a portion of the sock body corresponding to a metatarsophalangeal joint, a tarsometatarsal joint and an ankle joint of the wearer.

The present inventors have found that the improvement of a specific type of bad posture is effective depending on the region of the tightened metatarsal. Specifically, in a bad posture (hereinafter, referred to as "back camel back") in which the pelvis is in a forward inclined state while the lumbar vertebra is forward bent, since the weight is concentrated near the metatarsophalangeal joint, the structure of the arch can be effectively corrected by tightening the bone portion of the metatarsal bone (the end portion on the metatarsophalangeal joint side) in particular, and the back humpback can be improved by passing through this state. Similarly, in a poor posture (hereinafter, referred to as "lumbar humpback") in which the pelvis is tilted backward due to backward bending of the lumbar vertebra, the weight is concentrated near the tarsometatarsal joint, and therefore, the lumbar humpback is improved by tightening the basal portion of the metatarsal bone (the end on the tarsometatarsal joint side).

The instep and the thumb side of the sole of the foot, which are in contact with the fastening portion, are subjected to a stronger surface pressure than the little toe side. As a result, a tightening force (tightening force) in the radial direction is applied to the portion of the wearer's foot corresponding to the tightening portion, and the arch is corrected to a three-dimensional shape. In addition, when the wearer is inclined with the little toe side (lateral side) of the foot downward and the big toe side (medial side) upward due to the shift of the center of gravity of the wearer, and the big toe side slightly floats, the arch is corrected to a proper angle.

Further, the present inventors have found that the tightening of the metatarsal region is effective in improving a specific type of poor posture. Specifically, in a bad posture (hereinafter, referred to as "back camel back") in which the pelvis is in a forward inclined state while the lumbar vertebra is forward bent, since the weight is concentrated near the metatarsophalangeal joint, the structure of the arch can be effectively corrected by tightening the bone portion of the metatarsal bone (the end portion on the metatarsophalangeal joint side) in particular, and the back humpback can be improved by passing through this state. Similarly, in a poor posture (hereinafter, referred to as "lumbar humpback") in which the pelvis is tilted backward due to backward bending of the lumbar vertebra, the weight is concentrated near the tarsometatarsal joint, so that the lumbar humpback is improved by tightening the basal portion of the metatarsal bone (the end on the tarsometatarsal joint side).

When the metatarsal bones are tightened in a wide range, correction corresponding to the above-described specific type of bad posture cannot be performed. In addition, blood flow may be deteriorated by tightening an unnecessary portion. Therefore, in order to effectively improve the above-described specific type of bad posture, it is preferable that the fastening portion is formed to cover one of the bone portion and the basal portion of the metatarsal bone without covering the other.

In the sock, the width of the fastening portion on the big toe side is preferably wider than the width of the foot on the little toe side.

According to this structure, since the big toe side of the foot is tightened with a larger area, when the big toe side is slightly lifted up by tilting the little toe side (lateral side) of the foot downward and the big toe side (medial side) upward due to the shift of the center of gravity of the wearer, the correction effect of the arch is improved.

(9) With respect to the sock according to 9, the sock according to any one of 1 to 8, wherein one or more marks indicating a treatment site are provided on a surface of the sock body.

In the sock according to item 9, the treatment site is a site where the foot is twisted or pressed, for example. The application includes acupressure and massage. The mark may be any mark that is a treatment site, and the mark includes a mark, a letter, a picture, a figure, or the like. Further, the marks may be provided with characters indicating the content of the therapy, arrow marks indicating the direction in which the force is applied when the force is applied to the therapy site, pictures, and figures.

According to the sock having the above-described structure, even a person who is not familiar with the treatment of the foot can perform appropriate treatment on an appropriate portion of the foot of the wearer based on the indication of the sock.

Description of the reference numerals

100. 200, 300, 400, 500, 600, Sock, 110, 210, 310, 410, 510, 610, sock body, 120, 220, 320, 420, 520, 620, fastening portion.

Claims (9)

1. A sock is characterized in that,

The sock is provided with:

sock main body, and

An annular fastening portion provided so as to cover the instep and the sole of the foot at a portion of the sock body corresponding to at least one of the head portion and the base portion of the 5 metatarsal bones of the sock wearer,

The fastening force of the fastening portion is greater than the fastening force of a portion of the sock body other than the fastening portion.

2. Sock according to claim 1, wherein,

The fastening portion is composed of an inner fastening portion and an outer fastening portion, and the fastening force of the inner fastening portion is greater than the fastening force of the outer fastening portion.

3. Sock according to claim 1, wherein,

The tightening portion is configured such that the expansion/contraction ratio in a direction inclined from the little toe side to the big toe side is larger than the expansion/contraction ratio in other directions.

4. A sock is characterized in that,

The sock is provided with:

sock main body, and

A ring-shaped fastening portion provided in a portion of the sock body corresponding to at least one of a metatarsophalangeal joint, a tarsometatarsal joint, a toe joint and an ankle joint which are joints of a foot of a wearer,

The fastening force of the fastening portion is greater than the fastening force of a portion of the sock body other than the fastening portion.

5. The sock of claim 4, wherein,

The fastening portion is provided at a portion of the sock body corresponding to each of joints of a big toe, a middle toe, and a little toe of 5 toes of a wearer.

6. The sock of claim 4, wherein,

The fastening portion is provided in a portion of the sock body corresponding to each of the joints of the thumb, the second toe, and the fourth toe of the 5 toes of the wearer.

7. The sock of claim 5, wherein,

The fastening portion is further provided at a portion of the sock body corresponding to a metatarsophalangeal joint, a tarsometatarsal joint, and an ankle joint of the wearer.

8. The sock of claim 6, wherein,

The fastening portion is further provided at a portion of the sock body corresponding to a metatarsophalangeal joint, a tarsometatarsal joint, and an ankle joint of the wearer.

9. The sock of any of claims 1-8, wherein,

One or more marks for indicating the treatment site are arranged on the surface of the sock main body.