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5 Written questions

5 Matching questions

  1. Atrioventricular node
  2. Isometric
  3. Motor Division
  4. Endomysium
  5. tropomin T
  1. a surrounds single fiber
  2. b delays impulse by 1/10 of second, allowing atria to contract before ventricles
  3. c Initiates contraction of muscles and limb movements
  4. d hold Tropomyosin
  5. e o Muscle exerts force without changing length
    o Pulling against immovable actions
    o Postural muscles

5 Multiple choice questions

  1. Increased ability to maintain cardiac output against increased BP during weight training
  2. o Dynamic constant external resistance
  3. the junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron
  4. consists of the brain and spinal cord
  5. the sensory and motor neurons that connect the central nervous system to the rest of the body

5 True/False questions

  1. Cardiac Output• Ability to repeat a specific motor unit recruitment pattern
    • Results in success performance of a skill
    • Requires practice


  2. Contractile Propertieso maximal for production
    o Speed of contraction
    o muscle fiber efficiency


  3. How many muscles does the human body contain?600 (40-50% body weight)


  4. The motor neuron and all the muscle fibers it innervates are called a motor:Unit


  5. sarcomere• 10% muscle mass lost is between 25-50 years of age
    • additional 40% lost between 50-80 years of age
    • Also a loss of fibers and gain in slow fibers
    • Also due to reduced physical activity


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