NPTE MSK Review Word Scramble
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Question | Answer |
Are Type 1 muscle fibers Aerobic or Anaerobic? | aerobic - red |
Are Type 1 muscle fibers slow or fast twitch? | slow |
Are Type 1 muscle fibers slow-oxidative or fast-glycolytic? | slow-oxidative |
Are Type 1 muscle fibers tonic or phasic? | Tonic => tonic muscles are responsible for holding your posture |
Are Type 2 muscle fibers Aerobic or Anaerobic? | Anaerobic - white |
Are Type 2 muscle fibers slow or fast twitch? | fast twitch |
Are Type 2 muscle fibers slow-oxidative or fast-glycolytic? | fast-glycolytic |
Are Type 2 muscle fibers tonic or phasic? | phasic => phasic muscles are used for dynamic movement. |
what are functional characteristics of Type 1 Muscle fibers? | low fatigability, smaller fibers, large blood supply, large amt of mitochondia => Ex: marathon, swimming |
what are functional characteristics of Type 2 Muscle fibers? | high fatigability, large fibers, less blood supply, less mitochondria => Ex:high jump, sprinting |
What are muscle spindles? | Measures change in LENGTH...spread throughout muscle belly. |
What is the Golgi Tendon Organ? | Measures changes in TENSION. When a GTO is stimulated, it causes its associated muscle to relax by interrupting its contraction. When a muscle is inhibited by a GTO, the process is called autogenic inhibition. |
What is an isometric contraction | Metric = length. Tension develops but no change in length of muscle. STATIC |
what is an isotonic contraction | Tonic = tension. Muscle shortens/lengthens while resisting constant load. DYNAMIC |
what is an isokinetic contraction | tension develops while shortening or lengthening at a constant speed |
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