Nov 3, 2023 · Subscapularis is a rotator cuff muscle responsible for internal rotation of the arm and stabilization of the shoulder joint. Master its anatomy at Kenhub!

When the arm is raised, subscapularis pulls the humerus forward and downward. When the humerus is in a fixed position, the insertion of the subscapularis can act as an origin, …

Oct 21, 2024 · It is one of the rotator cuff muscles making up the shoulder joint and helping it function. The other three are the teres minor, supraspinatus, and infraspinatus. There are two …

The subscapularis is a large triangular muscle which fills the subscapular fossa and inserts into the lesser tubercle of the humerus and the front of the capsule of the shoulder-joint.

As one of the four rotator cuff muscles, the subscapularis plays a significant role in the stability and function of the shoulder joint. Its primary task is to medially rotate the arm towards the …

Jul 1, 2025 · The subscapularis is the largest and strongest of these muscles, and its primary function is internal rotation, although it also aids in adduction and extension of the humerus.

What is the function of the subscapularis muscle? It acts as a dynamic stabilizer of the humeral head and aids in lifting across the chest. The main function of the subscapularis muscle is to …

Mar 22, 2024 · The Subscapularis muscle, as a critical component of the rotator cuff, performs several important functions that are vital for the movement and stability of the shoulder joint: …

Jul 10, 2025 · Actions: Primary internal rotation of the humerus. It also assists in adduction and stabilizes the humeral head within the glenoid fossa. The Subscapularis is the main internal …

The subscapularis muscle follows a path from its broad origin on the scapula to its insertion on the lesser tubercle of the humerus. This trajectory enables its vital role in shoulder movement and …