Motor Control MOVESCI 320
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This 2 page Class Notes was uploaded by Amaya Wisozk DDS on Thursday October 29, 2015. The Class Notes belongs to MOVESCI 320 at University of Michigan taught by Susan Brown in Fall. Since its upload, it has received 50 views. For similar materials see /class/231613/movesci-320-university-of-michigan in Physical Science at University of Michigan.
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Date Created: 10/29/15
I have put together a few questions typical of tests in 320 which you might like to use for review Please try to do them before I post answers on Sunday Multiple Choice Choose the best answer according to the following A 123 B13 C24 D 4 only E all 1 A rapid well coordinated multi joint limb movement consider a forward reaching movement will be typically characterized by 1 irregular hand paths 2 time symmetric velocity profiles 3 tonic muscle activity occurring through the movement 4 an initial agonist burst followed by an antagonist burst 2 During muscle contraction associated with moving a limb 1 motor units are recruited according to the Henneman Size Principle 2 smaller motor units are derecruited first 3 increasing the frequency of activation of motor units will lead to increased force production 4 full tetanus occurs at 50 maximum voluntary force 3 Gamma neurons 1 innervate extrafusal fibers 2 have cell bodies located in the dorsal root ganglia 3 monitor muscle force 4 none of the above Draw the relationship between Axon diameter and speed of neural conduction Recruitment of motor units and resulting muscle force Density of cutaneous receptors and sensitivity of skin area 996 Speed of muscle contraction and recruitment threshold What is meant by invariant movement characteristics Draw the kinematics position velocity and acceleration and associated muscle activation patterns associated with a well learned arm movement During a bilateral reaching task how could you demonstrate that both arms moved together throughout the movement eg how could you graphically depict coordinated movement based on position data
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