Root Value C5, C6, C7, C8 AND T1 FROM Posterior Cord TO Posterior Interosseous Nerve MUSCLE INNERVATION Posterior Compartment of Arm and Forearm COMMON SITES AND CAUSES Injury to Radial Nerve at different levels causes different syndromes with varying motor and sensory deficits. AXILLA (1) Saturday night palsy (2) Crutch Palsy Motor deficit Loss of extension […]