Chest and Arms Workouts
October 6, 2008
The chest muscles are composed of the pectoralis major and the pectoralis minor.The pectoralis major is the thickest chest muscle. The pectoralis is a small triangular muscle, situated at the upper part of the chest, under the pectoralis major. They help shoulders flexion, adduction and rotation.
Advertisement
October 19, 2008 at 9:45 pm
I used to workout for about 3 hours but I manage to cut it down to an hour and 45 minutes.