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Upper Arm Muscles
Contains material from BIO 201 lab
| Term | Definition |
|---|---|
| Teres Major | Thick and flattened muscle that attaches the scapula to humerus |
| Supraspinatus | One of the muscles of the rotator cuff group; it is a muscle located above the spine of the scapula |
| Infraspinatus | One of the muscles of the rotator cuff group; it is a muscle located below the spine of the scapula |
| Teres Minor | One of the muscles of the rotator cuff group; it modulates the deltoid and rotates the humerus laterally |
| Subscapularis | One of the muscles of the rotator cuff group; it rotates the head of the humerus medially and adducts it |
| Deltoid | Shoulder muscle that looks like the Greek letter delta that plays a pivotal role in abducting the arm along the frontal plane |
| Triceps Brachii | Three headed muscle of the arm responsible for straightening the arm |
| Lateral Head of Triceps Brachii | Head of the Triceps Brachii that arises from the dorsal surface of the humerus |
| Long Head of Triceps Brachii | Head of the Triceps Brachii that arises from the scapula |
| Medial Head of Triceps Brachii | Head of the Triceps Brachii that arises proximally from the humerus |
| Biceps Brachii | Two headed muscle of the arm that supinates the forearm and flexes the elbow |
| Short Head of Biceps Brachii | Head of the Biceps Brachii that originates from the coracoid process of the scapula |
| Long Head of Biceps Brachii | Head of the Biceps Brachii that originates from the supraglenoid tubercle of the humerus |
| Brachialis | Muscle of the upper arm that flexes the arm at the elbow joint |
| Coracobrachialis | Flexes and adducts the arm at the shoulder joint |