| Term 
 | Definition 
 
        | Originates above the spine of the scapula, and inserts on the greater tuberosity of the humerus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Abducts or elevates the shoulder joint. |  | 
        |  | 
        
        | Term 
 
        | Supraspinatus: What it does |  | Definition 
 
        | It also works with the other rotator cuff muscles to stabilize the head of the humerus in the glenohumeral joint, or shoulder joint. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Originates below the spine of the scapula, in the infraspinatus fossa, and inserts on the posterior aspect of the greater tuberosity of the humerus. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Externally rotates the shoulder joint. |  | 
        |  | 
        
        | Term 
 
        | Infraspinatus: What it does |  | Definition 
 
        | It also works with the other rotator cuff muscles to stabilize the head of the humerus in the glenohumeral joint, or shoulder joint. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Originates on the lateral scapula border and inserts on the inferior aspect of the greater tuberosity of the humerus. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Externally rotates the shoulder joint. |  | 
        |  | 
        
        | Term 
 
        | Teres Minor: What it does |  | Definition 
 
        | It also works with the other rotator cuff muscles to stabilize the head of the humerus in the glenohumeral joint, or shoulder joint. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Originates on the anterior surface of the scapula, sitting directly over the ribs, and inserts on the lesser tuberosity of the humerus. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Works to depress the head of the humerus allowing it to move freely in the glenohumeral joint during elevation of the arm. |  | 
        |  | 
        
        | Term 
 
        | Subscapularis: What it does |  | Definition 
 
        | It also works with the other rotator cuff muscles to stabilize the head of the humerus in the glenohumeral joint, or shoulder joint. |  | 
        |  |