ZOO 3733C Study Guide - Quiz Guide: Brachialis Muscle, Biceps, Epicondyle
Document Summary
Anterior arm muscles flexors: damage: compromise flexion at elbow joint, anterior arm muscles: (1) biceps brachi biceps jerk; c5-c6 (2) brachialis (3) coracobrachialis. Deltoid and teres minor abduction of the arm up to 90 : damage: fracture of the surgical neck of the humerus. Anterior forearm & hand: damage: proximal injury (above the elbow) papal benediction/preacher"s hand & ape hand. Distal injury (at wrist joint) just ape hand (part next to thumb flattens out; thenar muscles) Injury to the distal end of the shaft of the humerus: anterior forearm and hand muscles: (1) anything with the words flexor" (2) pronator teres (3) pronator quadratus (4) palmaris longus (5) abductor pollicis brevis. Ulnar nerve: damage: injury at the wrist claw hand. Fracture to the medial epicondyle of the humerus: runs through the ulnar groove. Long thoracic nerve serratus anterior injury causes winged scapula (can"t lift arm beyond 90 ) Thoracodorsal nerve latissimus dorsi coughing muscles.
