enenen, the legs are big musle group

来源: 于 2012-11-07 09:28:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

 the musles burns most energy. if you go to the barbell strength, the instructor always let you load up if you work on the leg. and back muscle,chestsmaller. bicep,tricep smallest.