As a group, the rotator cuff muscles are responsible for stabilizing the shoulder joint, by providing the "fine tuning" movements of the head of the humerus within the glenoid fossa. They are …

Dec 11, 2025 · The primary responsibility for external rotation falls to two rotator cuff muscles: the infraspinatus and the teres minor. These muscles are positioned on the posterior (back) side …

Dec 7, 2025 · Primarily, the infraspinatus and teres minor, both part of the rotator cuff, are the key muscles responsible for this action, as they originate on the scapula and insert on the …

Aug 20, 2025 · Which muscle helps in external rotation of the shoulder? The primary external rotators are the infraspinatus and teres minor. EMG studies show ER drills can strongly recruit …

Aug 12, 2025 · External shoulder rotations strengthen your rear delts as well as infraspinatus and teres minor, two other rotator cuff muscles that stabilize your shoulder blades. They are a …

Jul 25, 2025 · Shoulder stability is key to preventing injury. The rotator cuff muscles, particularly the infraspinatus and teres minor, are the primary external rotators. They work to keep the …

Aug 21, 2024 · Shoulder external rotation is a movement of the arm or upper arm joint in which the humerus (humerus) rotates outward or laterally away from the midline of the body. This …

Jul 19, 2025 · Shoulder external rotation is the movement of the upper arm (humerus) away from the body's midline, or rotating it outwards. This critical movement is primarily governed by the …

Oct 30, 2023 · Rotator cuff SITS on the shoulder. The main function of the rotator cuff is to stabilize and center the humeral head in the joint socket, the glenoid cavity. In addition, the …

Nov 6, 2024 · This blog post is a comprehensive guide on how to increase the amount of external rotation in the shoulder.