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Differentiate among the three classes of levers in terms of the relative position of fulcrum, effort,...

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Medical Sciences

  1. Differentiate among the three classes of levers in termsof the relative position of fulcrum, effort, and load, as well asin terms of the relative power and range of motion.

  2. Give examples in the human body of muscles and theirassociated joints to illustrate each type of leversystem.

  3. Define the terms prime mover (or agonist), antagonist,synergist, and fixator.

  4. For a given movement, differentiate specific musclesthat function as the prime mover, antagonist, synergist orfixator.

  5. Explain how the name of a muscle can help identify itsaction, appearance, or location.

  6. Define the terms tension and contraction, with respectto muscles.

  7. Define the term motor unit.

  8. Demonstrate isotonic and isometric contraction andinterpret graphs of tension vs. time and muscle length vs. time foreach type of contraction.

  9. Describe, in order, the events that occur at theneuromuscular junction that elicit an action potential in themuscle fiber.

  10. Provide specific examples to demonstrate how themuscular system responds to maintain homeostasis in thebody

  11. Explain how the muscular system relates to other bodysystems to maintain homeostasis

Answer & Explanation Solved by verified expert
3.8 Ratings (334 Votes)
In first class lever fulcrum is located between load and effort In second class lever load is located between fulcrum and effort In third class lever effort is applied between load and fulcrum In first class lever system if effort is closer to fulcrum then range of motion and effort required is high and vice versa if load is closer to    See Answer
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