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Injuries within these muscles can weaken and reduce the mobility of shoulder joints. Since these muscles play a great role in the performance of the entire body, such problems can hinder your ability to do various activities. If you want to make your muscles mobile and stable, you would have to take frequent shoulder exercises.
The glenohumeral joint in the shoulders need frequent stabilization to improve the performance of the shoulders. The stabilization work is usually done by the infraspinatus, subscapularies, supraspinatis and teres minor muscles. Therefore, when these muscles are not effective, the stabilization work may not be handled efficiently; hence, the need to strengthen such muscles through taking shoulder exercises.