“…Numerous repeats can cause an imbalance in muscle strength of the shoulder girdle (Bak, 1996). Batalha, Marmeleira, Garrido, Silva (2014), Batalha, Raimundo, Tomas-Carus, Barbosa, Silva (2013), Ramsi, Swanik, Swanik, Straub, Mattacola (2004) and Walker, Gabbe, Wajswelner, Blanch, Bennell (2012) indicate that swimming technique can cause a lack of balance in shoulder muscle strength. Olivier, Quintin, Rogez (2008) formulated a conclusion that sport swimming at the highest level weakens the shoulder joint and interferes muscle balance.…”