daniel808492 2008-7-9 16:11
看下关于游泳锻炼的一些方法
[img]http://bbs.chinaswim.com/attachment/Mon_0807/122_56156_4722589d1ccf778.jpg[/img]
[img]http://bbs.chinaswim.com/attachment/Mon_0807/122_56156_6977c4188bb0d21.jpg[/img]
引体向上还能负重！厉害厉害
[img]http://bbs.chinaswim.com/attachment/Mon_0807/122_56156_1a9062f425ed5c9.jpg[/img]
瑜伽球还可以这样用
