Becoming familiar with muscles that make up your body has more benefits than simply allowing you to talk shop with your training partners. The more familiar you are with muscles you're working, better you'll be able to judge what's needed to make improvements. In this article we'll get to know muscles that make up shoulders and arms.Shoulders and arms work together but they require significantly different exercises to make them bigger and stronger. The main muscles found in these areas are as follows:
1. Deltoid - this is comprised of three separate segments that cover shoulder and run a few inches down arm. The anterior deltoid raises arm to front. The middle deltoid raises arm to side. The posterior deltoid draws arm backwards.
2. Rotators - these are small muscles of rotator cuff that control small movements of upper arm. Consisting of an internal rotator, external rotator and supraspinatus they are used in lifting and throwing actions.