In mammalian anatomy, the infraspinatus muscle is a thick triangular muscle which occupies the chief part of the infraspinatous fossa. [1] As one of the four muscles of the rotator cuff, the main function of …

Nov 3, 2023 · Infraspinatus is a thick triangular muscle that occupies the majority of the dorsal surface of the scapula. It arises mostly from the infraspinous fossa of scapula, and connects it to the proximal …

Apr 29, 2025 · Find out what you need to know about infraspinatus pain, discover what causes it and how it’s treated.

The infraspinatus fossa of scapula, with some fibres arising from the infraspinatous fascia which covers the muscle and separates it from Teres Major and Teres Minor.

Aug 8, 2023 · The infraspinatus is a portion of the rotator cuff muscles composed of the supraspinatus, infraspinatus, teres minor, and subscapularis. These muscles act to stabilize the glenohumeral joint.

Feb 5, 2025 · The infraspinatus is one of the four muscles of the rotator cuff of the shoulder. The rotator cuff’s responsibility is to stabilize the ball-and-socket joint of the shoulder, or the glenohumeral joint.

Feb 18, 2024 · Welcome to our in-depth exploration of the infraspinatus muscle. As one of the lesser-known muscles of the human body, the infraspinatus plays a crucial role in our daily movements and …

Jul 10, 2025 · Learn about the Infraspinatus muscle in this detailed anatomy video. Includes origin, insertion, function, innervation, and clinical relevance explained by a Doctor of Physical Therapy.

Learn about the infraspinatus muscle's origin, action, innervation and arterial supply. Discover its role in shoulder joint stability and rotation.

Oct 20, 2025 · This article will outline the most common causes of infraspinatus pain and will highlight the treatments that are typically used to restore your shoulder to health.