ZOO 3733C Study Guide - Quiz Guide: Brachial Plexus, Patellar Reflex, Ulnar Nerve
Document Summary
Most of the arm muscles are exors: exterior muscles are extensors. Know roots of the jerks: knee jerk- patellar re ex (l3, l4) Hypore exia or are exia: maybe the person has a herniation of a disk, or person has an injury: biceps jerk (c5, c6, triceps jerk- triceps re ex (c7, c8) Upper brachial plexus palsy: erb-duchenne paralysis: arm is damaged during delivery which compromises c5, Lower brachial plexus palsy: injury to c8 - t1 roots following forced abduction of the shoulder (claw hand) Proximal injury vs distal injury: more muscles are a ected with proximal injury. Origin site of the exor muscles in elbow/forearm: common head. Lateral epicondylitis- elbow tendinitis (tennis/ golfer"s elbow) Pronator teris has two heads (most do or are originating from two places) : pronator syndrome: when bodybuilders/ weightlifters get pain and must get. Monday, september 25, 2017 surgery to correct the problem.
