Muscles of Forearm and Hand

O: Coracoid process and tubercle above glenoid cavity of scapula

I: Radial tuberosity

Flexes forearm at elbow, supinates forearm and hand

• Triceps Brachii

• Biceps Brachii

• Brachioradialis

• Brachialis

O: Anterior surface of humerus

I: Coronoid process of ulna

Flexes forearm at elbow

• Biceps Brachii

• Triceps Brachii

• Bracialis

• Brachioradialis

O: Distal lateral end of humerus

I: Lateral surface of radius above styloid process

Flexes forearm at elbow

• Brachioradialis

• Brachialis

• Biceps Brachii

• Triceps Brachii

O: Tubercle below glenoid cavity and lateral and posterior surfaces of humerus

I: Olecranon process of unla

Extends forearm at elbow

• Biceps Brachii

• Brachialis

• Brachioradialis

• Triceps Brachii

O: Lateral epicondyle of humerus and proximal ulna

I: Anterior and lateral surface of radius

Supinates forearm and hand

• Biceps Brachii

• Pronator Teres

• Pronator Quadratus

• Supinator

O: Medial epicondyle of humerus and coronoid process of ulna

I: Lateral surface of radius

Pronates forearm and hand

• Pronator Quadratus

• Pronator Teres

• Supinator

• Palmaris Longus

O: Anterior distal end of ulna

I: Anterior distal end of radius

Pronates forearm and hand

• Pronator Teres

• Triceps Brachii

• Pronator Quadratus

• Supinator

O: Medial epicondyle of humerus

I: Base of 2nd and 3rd metacarpals

Flexes wrist, abducts hand (radial deviation)

• Flexor Carpi Ulnaris

• Flexor Carpi Radialis

• Palmaris Longus

• Extensor Carpi Radialis

O: Medial epicondyle of humerus and olecranon process of ulna

I: Carpal and metacarpal bones

Flexes wrist, abducts hand (ulnar deviation)

• Palmaris Longus

• Flexor Carpi Radialis

• Extensor Carpi Radialis Brevis

• Flexor Carpi Ulnaris

O: Medial epicondyle of humerus

I: Fascia of palm

Flexes wrist

• Palmaris Longus

• Flexor Digitorum

• Flexi Carpi Ulnaris

• Flexor Carpi Radialis