Q:

In a Hamilton-Russell traction system, the traction force is greater than the weight of the hanging mass because:

waelhammad
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2022-10-22
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In a Hamilton-Russell traction system, the traction force is greater than the weight of the hanging mass because:

  1. three cords are attached to the patient’s leg.
  2. there is a moveable pulley attached to the patients foot.
  3. four pulleys are in the system.
  4. the traction force is parallel to the femur.
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waelhammad
2022-10-22
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B: The moveable pulley provides a mechanical advantage. A fi xed pulley merely redirects the direction of traction without altering its magnitude. 

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