The document discusses the anatomy of the forearm flexor surface. It notes that the forearm runs from the elbow to wrist and contains 8 muscles, 2 arteries, and 3 nerves. The median nerve supplies most muscles except the flexor carpi ulnaris and medial half of the flexor digitorum profundus, which are supplied by the ulnar nerve. The deep 3 muscles receive innervation from the anterior interosseous branch of the median nerve.

1. FOREARM – FLEXOR SURFACE
Maj Rishi Pokhrel
NAIHS

2. Forearm
• elbow to wrist
• 8 muscles
• 2 arteries
• 3 nerves

5. 5
RADIUS & ULNA

8. Lateral medial

9. Nerve supply
• All by median nerve except
– FCU
– Medial half of FDP
Which are supplied by ulnar nerve
• Deep 3 muscles are supplied by anterior
interosseous branch of median

10. Muscle Proximal distal nerve supply action
attachment attachment

11. Muscle Proximal distal nerve supply action
attachment attachment

12. Action