Motor System

Card Set Information

Author:
jeanbapt
ID:
253514
Filename:
Motor System
Updated:
2013-12-16 20:26:23
Tags:
motor system neuro
Folders:

Description:
final motor system
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  1. Two parts of the motor system
    • spinal cord motor activity
    • brain command and control movement
  2. Two major muscle types
    • smooth muscle
    • striated muscle
  3. smooth muscle
    • digestive tract
    • arteries and veins
  4. striated muscle
    • a. cardiac: contracts hearts sequentially
    • b. skeletal
  5. What do striated muscles move?
    bone, eyes, face, articulators, respiration
  6. Striated muscles are surrounded by
    connective tissue that forms tendon's attachment to bone
  7. Each muscle fiber innervated by
    a single axon branch of CNS
  8. Lower motor neuron
    motor ganglion in ventral horns of spine

    •    direct muscle contraction
    •    referred to as final common pathway

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