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muscles of the arm- elbow joint


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biceps brachii origin
coracoid process and tuberosity above glenoid cavity of scapula
biceps brachii insertion
radial tuberosity
biceps brachii action
flexes elbow joint, supinates forarm and hand at radioulnar joint
brachialis origin
anterior body of humerus
brachialis insertion
coronoid process of ulna
brachialis action
flexes elbow joint
brachioradialis origin
lateral supracondylar ridge of humerus
brachioradialis insertion
proximal to styloid process of radius
brachioradialis action
flexes elbow joint
triceps brachii origin
tuberosity below glenoid cavity, lateral and medial surfaces of humerus
triceps brachii insertion
olecranon of ulna
triceps brachii action
extends elbow joint
anconeus origin
lateral epicondyle of humerus
anconeus insertion
olecranon of ulna
anconeus action
extends elbow joint - relatively weak.

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