Class_5_Neuromotor_Basis_for_Motor_Control_Moodle

Class_5_Neuromotor_Basis_for_Motor_Control_Moodle - Click...

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Unformatted text preview: Click to edit Master subtitle style 4/12/10 The Neuromotor Basis for Motor Control 4/12/10 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 4/12/10 Neurons  The general structure › Cell body › Dendrites › Axons  Types of neurons › Sensory (Afferent) Cell Body Axon Dendrite 4/12/10 Nerve Cells Synapses —convey messages-electrical-most are neurotransmitters (chemicals) (strengthened with activity and weakened without) 4/12/10 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 4/12/10 Muscle (cont.)  Motor unit recruitment › The size principle: Recruitment of smallest first and systematically progress to the largest last....
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Class_5_Neuromotor_Basis_for_Motor_Control_Moodle - Click...

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