A man falls on his elbow. he now has weakness in his hand. Physical exam shows bruising, swelling and pain in the distal humerous and elbow. Neurologic examination shows weakness with thumb adduction and sensory loss on median palm. He has clawing of fourth and fifth digits. 1. Which nerve is likely implicated? 2. Which cord of the brachial plexus does this nerve come off of?

Your musculoskeletal system includes your bones, cartilage, ligaments, tendons and connective tissues. Your skeleton provides a framework for your muscles and other soft tissues. Together, they support your body's weight, maintain your posture and help you move.