The median n. is formed by spinal roots C6, C7, C8, T1. It innervates Pronator teres, Palmaris longus, Flexor carpi radialis, Flexor digitorum superficialis, Flexor digitorum profundus (lateral half), Pronator quadratus, Flexor pollicis longus, Abductor pollicis brevis, Opponens pollicis, Flexor pollicis brevis, and Lumbricals 1 & 2.