Effortless momentum. The beauty that is the underwater world. To get a more effortless kick, focus on mobility in your upper back, lower back, and especially the thoracic spine—these are key to maximizing efficiency. Credit swimdotcom, mariuskusch #swimming #swim #swimmer #swimmingpool #triathlon #pool #triathlete #swimmers #swimlife #swimpractice swimtraining #swimmerproblems #freestyle #breaststroke #butterfly #swimminglife #swimfast #competitiveswimmer