Hand nerve injury

Hand innervation comes from the median, ulnar and radial nerves. The median nerve passes between the pronated round muscles at the elbow fossa and walks between the superficial digital flexors and deep digital flexors. At the proximal end of the forearm, a branch is issued to the pronator round muscle, the radial wrist flexor, the palmar longus, and the superficial flexor flexor; when passing through the pronator round muscle, the anterior interosseous nerve is issued, which accompanies the anterior interosseous artery at the finger depth. Between the flexor and flexor hallucis longus, the branches innervate the flexor hallucis longus tendon and the deep flexor of the thumb. The upper part of the wrist walks between the radial carpi flexor and long palmar muscles, passes through the carpal tunnel to the palm, and returns from the radial side at the distal edge of the transverse transverse ligament of the wrist. It enters the intermuscular muscle to control the abductor hallucis longus and the thumb to the palm. Muscles, lateral head of brachialis flexor muscle, and 1st and 2nd vermiform muscles. The other is divided into three common palmar nerves, which dominate the skin on the radial side of the three half-finger palms and the proximal interphalangeal joints far from the dorsal finger.

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