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Muscles - Elbow

Muscles of the Elbow

TermDefinition
biceps brachii origin: short head from the coracoid process and long head from the supraglenoid tubercule
biceps brachii insertion: tuberosity of radius
biceps brachii action: flexion at shoulder and elbow; supination
brachialis origin: anterior, distal surface of humerus
brachialis insertion: tuberosity of ulna
brachialis action: flexion at elbow
brachioradialis origin: lateral epicondyle of humerus
brachioradialis insertion: styloid process of radius
brachioradialis action: flexion at elbow
triceps brachii origin: superior, posterior, and lateral margins of humerus and the scapula
triceps brachii insertion: olecranon of ulna
triceps brachii action: extension at elbow
pronator quadratus origin: medial surface of distal portion of ulna
pronator quadratus insertion: anterior and lateral surface of distal portion of radius
pronator quadratus action: pronation
supinator origin: lateral epicondyle of humerus and ulna
supinator insertion: anterior and lateral surface of radius distal to the radial tuberosity
supinator action: supination
Created by: lizzy.spangler