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Chapter_4_Neuromotor_Basis_for_Motor_Control_Moodle

Chapter_4_Neuromotor_Basis_for_Motor_Control_Moodle -...

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Click to edit Master subtitle style  12/7/10 The Neuromotor Basis  for Motor Control
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 12/7/10 Physiologic foundations One of the biggest challenges for motor  physiology is to understand how we can move  as adaptively and effortlessly as we do. Basic knowledge needed to understand and  appreciate the complexity, capabilities, and  limitations of our neuromotor system
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 12/7/10 Neurons The general structure Cell body Dendrites Axons Types of neurons Sensory (Afferent)
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 12/7/10 Muscle Muscles produce force by contracting Force-length relationship Motor unit Is the motor neuron and the muscle fibers that it  innervates. Number of muscle fibers in a motor unit are 
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 12/7/10 Muscle  (cont.) Motor unit recruitment The size principle: Recruitment of smallest first  and systematically progress to the largest last. This order reduced the degree of freedom to  recruit.
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 12/7/10 Spinal Cord
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