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Basic Biomechanics And Levers

25 Questions
Basic Biomechanics And Levers

This quiz is designed to test basic knowledge over biomechanics and levers.  

Questions and Answers
  • 1. 
    The ­___________ is the point of pivot, which is also known as the axis of rotation.
  • 2. 
  • 3. 
    A first order lever is like a __________, with the __________ between the in-force and the out-force.
  • 4. 
    In a third order lever, the ___________ is closer to the fulcrum.
  • 5. 
    In a second order lever, the ___________ is closer to the fulcrum.  
  • 6. 
    The most common kind of lever in nature is __________. 
  • 7. 
    The _________ order lever is the least common in nature.
  • 8. 
    The equation for the balance of a lever deals with the _______ and the ________ of the lever arm. 
  • 9. 
    The length of the lever arm is perpendicular to the __________.
  • 10. 
    The location of the fulcrum influences ___________ and __________.  
  • 11. 
    The _________ is perpendicular to the point of limb rotation.
  • 12. 
    The _____________ is the perpendicular distance from the point of bone rotation to the line of muscle action.  
  • 13. 
    The out-lever is from the point of rotation to the point at which ___________ is applied.  
  • 14. 
    As the velocity ratio __________, speed decreases.
  • 15. 
    As the velocity ratio decreases, force _________.  
  • 16. 
    The velocity ratio is the length of the ___________ divided by the length of the __________.  
  • 17. 
    A limb designed for force will have a _______________ velocity ratio than a limb designed for speed.
  • 18. 
    Greater __________ causes a slower speed.  
  • 19. 
    Long lever arms sweep a ____________ distance, whereas short lever arms move a _____________ distance.  
  • 20. 
    __________ gear muscles enjoy a speed advantage and produce rapid limb oscillation.  
  • 21. 
    Unguligrades have the most speed because of an increased __________ or decreased ____________.  
  • 22. 
    A distally inserted muscle is better for __________ movements
  • 23. 
    A ____________ inserted muscle is better for speed.  
  • 24. 
    The ____________ is an example of a low gear muscle.
  • 25. 
    The mechanism of levers means that the output force and the output speed are ___________.  
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