According to the research, the infraspinatus contributes to external rotation of the glenohumeral joint.
<h3>What is the infraspinatus?</h3>
It is a flat muscle, which is part of the rotator cuff of the shoulder, it fulfills the function of stabilizing the joint surfaces involved in the glenohumeral joint, performing external rotation.
In other words, this muscle performs similar movements and shares the same place where they are inserted, with the supraspinatus, the teres minor and the subscapularis.
Therefore, we can conclude that according to the research, the infraspinatus contributes to external rotation of the glenohumeral joint.
Learn more about glenohumeral joint here: brainly.com/question/11501423
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