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5 Written Questions

5 Matching Questions

  1. The formation of cross bridges in the contractile process in skeletal muscle is initiated by:
  2. Concentric
  3. Eccentric
  4. Cardiac Output
  5. Adaptations due to endurance training
  1. a Increased cardiac output during endurance activity
    Increased oxygen delivery to skeletal muscle
    Increased endurance performance
  2. b Calcium binding to tropomyosin
  3. c Q = HR (bmp) × SV (mL) (5-Men) (4.5-Women)
  4. d o Muscle shortens during force production
  5. e o Muscle produces force but length increases

5 Multiple Choice Questions

  1. the heart's pacemaker, located in the wall of the right atrium
  2. • 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
  3. surrounds bundle
  4. channels for Na+ open and enters cell
  5. Holds Actin

5 True/False Questions

  1. Peripheral NERVOUS SYSTEMconsists of the brain and spinal cord


  2. Isotonico Muscle exerts force without changing length
    o Pulling against immovable actions
    o Postural muscles


  3. Synapsethe junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron


  4. Connective Tissueo Muscle shortens during force production


  5. Golgi Tendon Organ• Located in the tendon
    • 2 functions: monitor and respond to tension in tendon
    • inhibits actin of muscle to prevent injury


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