https://www.youtube.com/watch?v=lc9i0Qr5NUs
蛙泳腿伤膝盖吗？为什么总是膝盖痛？Does the breaststroke leg hurt the knee? Why is the knee pain always? 10-13 自由泳 4 浏览量https://www.youtube.com/watch?v=lc9i0Qr5NUs相关推荐:蛙泳提高系列第三课，针对蛙泳腿部力量强化训练 Breaststroke leg strength for intensive training 游泳初学者的第二课蛙泳腿练习 Breaststroke leg exercises Chinese 蛙泳提高系列第二课，腿部动作强化 Breaststroke leg movement enhancement 蛙泳为啥一换气就沉下去！！别慌，问题就出在这里！大家来对号入座哈哈哈！Why does breaststroke sink as soon as you breathe?
