11_ActiveLecturePRS

11_ActiveLecturePRS - Which muscle is paired correctly with...

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Which muscle is paired correctly with its fascicle arrangement? 1. extensor digitorum/parallel 2. biceps brachii/bipennate 3. pectoralis major/convergent 4. orbicularis oris/unipennate
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A muscle with multipennate fibers would have ___ when compared to a similarly sized muscle with parallel fibers? 1. less range of motion and be weaker 2. the same range of motion, larger fibers, and contract more slowly 3. more fibers, shorten very little, and be more powerful 4. longer fibers, a longer range of motion, and attach obliquely to a central tendon
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Which type of fascicle arrangement is typical of muscles guarding the opening to the anus and surrounding the eye? 1. convergent muscle 2. multipennate muscle 3. parallel muscle 4. circular muscle (sphincter)
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The joint between the occipital bone of the skull and the first cervical vertebra (atlas) is part of which type of lever system? 1. first-class lever system 2. second-class lever system 3. third-class lever system 4. fulcrum/load/applied force lever system
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The benefit of third-class lever systems in muscles is that ___, while the benefit of second-class levers in muscles is ___? 1. they operate at a mechanical advantage/they operate at a mechanical disadvantage 2. speed and distance traveled are increased/a small force can move a heavy weight 3. the fulcrum lies between the applied force and the load/the load lies between the applied force and the fulcrum 4. None of the above
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insertions of skeletal muscles? 1. The fixed end of a muscle is its insertion. 2. The origin is typically distal or lateral to the insertion. 3.
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11_ActiveLecturePRS - Which muscle is paired correctly with...

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