Dec 11, 2025 · Shoulder external rotation, also called lateral rotation, is the anatomical movement that turns the upper arm bone (humerus) outward, away from the center of the body. This …

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 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 …

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

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 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 …

In this article are 6 great exercises to strengthen shoulder external rotation and the infraspinatus. If you choose to do any, only do pain free exercises. Performing these exercises can typically …

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 …

May 28, 2025 · There are two main types of shoulder rotation: External (lateral) rotation: Rotating the arm away from the body. Internal (medial) rotation: Rotating the arm toward the midline of …

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 …