Forearm Muscle Anterior Compartment OIIAs

pronator teres origin

coronoid process of ulna

pronator teres insertion

middle of convexity of lateral surface of radius

pronator teres innervation

median nerve (C5-T1)

flexor carpi radialis origin

medial epicondyle of humerus

flexor carpi radialis insertion

base of second and third metacarpals

flexor carpi radialis innervation

median nerve (C5-T1)

palmaris longus origin

medial epicondyle of humerus

palmaris longus insertion

Distal half of flexor retinaculum and palmar aponeurosis

palmaris longus innervation

median nerve (C5-T1)

flexor carpi ulnaris origin

olecranon and posterior border of ulna

flexor carpi ulnaris insertion

pisiform, hook of hamate, base of 5th metacarpal

flexor carpi ulnaris innervation

ulnar nerve (C7-T1)

humeroulnar head of flexor digitorum superficialis origin

medial epicondyle of humerus and coronoid process of ulna

radial head of flexor digitorum superficialis origin

oblique line of radius

flexor digitorum superficialis insertion

shafts of middle phalanges of digits 2-5

flexor digitorum superficialis innervation

median nerve (C5-T1)

flexor digitorum profundus origin

proximal medial/anterior surfaces of ulna and interosseous membrane

flexor digitorum profundus insertion

bases of distal phalanges of digits 2-5

flexor digitorum profundus innervation

median nerve (C5-T1) for lateral part and ulnar nerve (C7-T1) for medial part

flexor pollicis longus origin

anterior surface of radius and interosseous membrane

flexor pollicis longus insertion

base of distal phalanx of thumb

flexor pollicis longus innervation

Anterior interosseous nerve, from median nerve (C5, T1)

pronator quadratus origin

anterior surface of distal ulna

pronator quadratus insertion

anterior surface of distal radius

pronator quadratus innervation

anterior interosseous nerve, from median nerve (C5-T1)