GENERAL HISTOLOGY

Detailed explanation-1: -The median nerve provides motor (movement) functions to the forearm, wrist and hand. It also sends touch, pain and temperature sensations from the lower arm and hand to the brain.

Detailed explanation-2: -The radial nerve provides motor (movement) and sensory functions to the arm. It: Stimulates muscles so you can straighten and raise your elbows, wrists, hands and fingers. Provides touch, pain and temperature sensations to portions of the back of the upper arm, forearm, and to the back of the hand and fingers.

Detailed explanation-3: -The ulnar nerve innervates the flexor muscles of the forearm including the flexor carpi ulnaris and flexor digitorum profundus. It also innervates the intrinsic muscles of the hand including the palmaris brevis, lumbricals, hypothenar and interossei muscles.