Muscular System

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Author:
rnelson3201
ID:
202308
Filename:
Muscular System
Updated:
2013-02-25 19:06:43
Tags:
NASM
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Description:
Chapter 2 the muscular system
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  1. Series of muscles that moves the skeleton
    Muscular System
  2. A layer of connective tissue that is underneath the fascia and surrounds the muscle
    Epimysium
  3. The connective tissue that surrounds fasicles
    Perimysium
  4. The deepest layer of connective tissue that surrounds individual muscle fibers
    Endomysium
  5. Connective tissues that attach muscle to bone and provide an anchor for muscles to produce force
    Tendons
  6. The functional unit of muscle that produces muscular contraction and consists of repeating sections of actin and myosin
    Sarcomere
  7. The contraction of a muscle generated by neural stimulation
    Neural Activation
  8. A motor neuron and all of the muscle fibers it innervates
    Motor Unit
  9. Chemical messengers that cross the neuromuscular junction (synapse) to transmit electrical impulses from the nerve to the muscle
    Neurotransmitters
  10. acetylcholine
    ACh
  11. Motor units cannot vary the amount of force they generate; they either contract maximally or not at all
    All or nothing law
  12. Slow-twitch
    Type I
  13. Fast-twitch
    Type II
  14. Prime mover
    Agonist
  15. Assist prime mover
    Synergist
  16. Stabilize while prime mover and synergist work
    stabilizer
  17. Oppose prime mover
    Antagonist
  18. Keeps myosin from attaching to actin when muscle is relaxed
    tropomyosin
  19. Provides binding sites for calcium and tropomyosin when muscle needs to contract
    troponin

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