elbow origin and insertion

Biceps brachii — Origin

Long head — Supraglenoid tubercle of scapula; Short head — Coracoid process of scapula

Biceps brachii — Insertion

Radial tuberosity and bicipital aponeurosis

Brachialis — Origin

Distal 1/2 of anterior humerus

Brachialis — Insertion

Coronoid process of ulna and ulnar tuberosity

Brachioradialis — Origin

Distal 2/3 of lateral supracondylar ridge of humerus

Brachioradialis — Insertion

Lateral surface of distal radius at styloid process

Triceps brachii — Origin

Long head — Infraglenoid tubercle of scapula; Lateral head — Posterior humerus superior to radial groove; Medial head — Posterior humerus inferior to radial groove

Triceps brachii — Insertion

Olecranon process of ulna

Anconeus — Origin

Posterior surface of lateral epicondyle of humerus

Anconeus — Insertion

Lateral surface of olecranon and proximal posterior ulna