Front of forearm
ANTERIOR COMPARTMENT
SUPERFICIAL
| Muscle | Origin | Insertion | Artery | Nerve | Action | Antagonist | |
|---|---|---|---|---|---|---|---|
| pronator teres | गोल अवतानिका | humeral head: medial epicondyle of humerus (common flexor tendon) | pronator tuberosity of radius | ulnar artery, radial artery | median nerve | pronates forearm, flexes elbow | supinator |
| ulnar head: coronoid process of ulna | |||||||
| flexor carpi radialis | बहिर्मणिबंध आकुंचनी | medial epicondyle of humerus (common flexor tendon) | bases of second metacarpal, base of third metacarpal | radial artery | flexes and abducts wrist | extensor carpi radialis brevis, extensor carpi radialis longus | |
| palmaris longus | दीर्घ करतलिका | palmar aponeurosis | ulnar artery | flexes wrist | extensor carpi radialis brevis, extensor carpi radialis longus, extensor carpi ulnaris | ||
| flexor carpi ulnaris | अंतर्मणिबंध आकुंचनी | pisiform, hook of hamate, base of fifth metacarpal | muscular branches of ulnar nerve | flexes and adducts wrist | extensor carpi ulnaris | ||
| flexor digitorum superficialis | उपरस्थि अंगुलि आकुंचनी | medial epicondyle of humerus (common flexor tendon), parts of radius and ulna | bases of middle phalanges 2, 3, 4, and 5 | median nerve | flexes fingers (primarily at proximal interphalangeal joints) | extensor digitorum |
DEEP
| Muscle | Origin | Insertion | Artery | Nerve | Action | Antagonist | |
|---|---|---|---|---|---|---|---|
| pronator quadratus | चतुरस्र अवतानिका | medial anterior surface of ulna | lateral anterior surface of radius | anterior interosseous artery | anterior interosseous nerve (median nerve) | weakly pronates forearm | supinator |
| flexor digitorum profundus | गभीर अंगुलि आकुंचनी | ulna | distal phalanges | lateral belly: anterior interosseous nerve (median nerve) | flexes wrist, flexes interphalangeal joints | extensor digitorum | |
| medial belly: muscular branches of ulna nerve | |||||||
| flexor pollicis longus | दीर्घ अंगुष्ठ आकुंचनी | middle half of volar surface of radius, interosseus membrane | base of distal phalanx of thumb | anterior interosseous nerve (median nerve) (C8, T1) | flexes thumb | extensor pollicis longus, extensor pollicis brevis |
DISSECTION
Discussion