@physiofixers: Median Nerve — Anatomy 1. Origin: Lateral and medial cords of brachial plexus (C5–T1). 2. Course: ① Axilla → Lateral to axillary artery. ② Arm → Crosses brachial artery from lateral to medial; no major branches in arm. ③ Cubital fossa → Medial to brachial artery, deep to bicipital aponeurosis. ④ Forearm → Passes between two heads of pronator teres, deep to flexor digitorum superficialis. ⑤ Wrist → Passes through carpal tunnel beneath flexor retinaculum. ⑥ Hand → Divides into recurrent thenar branch and digital branches. 3. Branches: Arm → No branches. Forearm → Anterior interosseous nerve, muscular branches, palmar cutaneous branch.4. Motor Supply: Forearm → Most flexor-pronator muscles. Hand → Thenar muscles (LOAF) and lateral two lumbricals. LOAF mnemonic: Lateral two Lumbricals, Opponens pollicis, Abductor pollicis brevis, Flexor pollicis brevis (superficial head). 5. Sensory Supply: Lateral palm. Palmar lateral 3½ fingers. Dorsal fingertips of lateral 3½ fingers. 6. Termination: Divides into digital branches supplying the lateral fingers and thenar region.

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Tuesday 29 September 2026 10:47:05 GMT