Strengthening your abdomen
本文作者： 21ST
No single exercise can effectively work all muscles of the *abdomen, so a balanced combination of exercises is best.Crunches*Crunches are the saftest way to condition *abdominals. Lie on back, with knees bent, and raise up the upper body. |  |
| |||||||||||||||||||||||||||||||
京公网安备 11010502033664号