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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 |