[Kinesiology 1080A/B] - Final Exam Guide - Everything you need to know! (51 pages long)

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4. athletes with multiple concussions : two days post concussion memory recall test perceptual performance concussions processing stimuli. Motor unit types: fast twitch, fatiguable (ff) (fast motor unit) Motor unit & muscle fiber types in athletes. Sprinter: 80 % fast & 20% slow motor units: marathoner : 20% fast & 80% slow motor units, average person : 50/50, couch potato : 60% fast & 40% slow, spinal injury : 96% fast & 4% slow. Sport specific training influences the amount of fast/slow twitch muscle fibers. Experiment : lab based that attempts to mimic what happens in a gun battle choose to go when you reacting to opponent than when initiating on one"s own. Superior colliculous reacts to visual stimulants can send visual information directly to primary motor cortex (short fast visual pathway called the extrageniculate pathway) twitch muscle fibers) slips, these muscles. Information about stretch and position of the muscle. Information about the tension of the muscle. (can inhibit muscle)