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5 Written questions

5 Matching questions

  1. Autonomic
  2. Fast Fibers (Type IIx)
  3. Learning Effect
  4. The sliding filament theory
  5. Parasympathetic Nervous System
  1. a • Ability to repeat a specific motor unit recruitment pattern
    • Results in success performance of a skill
    • Requires practice
  2. b • Fast-Twitch Fibers
    • Fast- Glycolytic
    • Anaerobic
  3. c • Formation of cross bridges between actin and myosin filaments.
    • Reduction in distance between z-lines or sarcomere "power stroke"
    • ATP is required for muscle contraction
    o Myosin ATPase breaks down ATP as fiber
  4. d the division of the autonomic nervous system that calms the body, conserving its energy (Rest and Digest)
  5. e This nervous system provides involuntary control over smooth muscle, cardiac muscle, and glands.

5 Multiple choice questions

  1. o Dynamic constant external resistance
  2. o Muscle produces force but length increases
  3. ATP production through aerobic metabolism
  4. • 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
  5. Initiates contraction of muscles and limb movements

5 True/False questions

  1. RepolarizationChannels for K+ open and it leaves cell

          

  2. As Sarco ShortensIt returns to original length
    Less overlap between actin and myosin

          

  3. The breakdown of ATP in muscle is accomplishment via enzyme:ATPase

          

  4. As Sarco relaxes• 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

          

  5. force velocity curveBasic skeletal muscle unit. Capable of force production and shortening. Arrangement of protein filaments and gives straight appearance.