Q:

Consider the action of moving from having both feet fl at on the ground to standing on “tip toes”. Which of the following correctly identifi es the fulcrum, the load force, the effort force and the lever?

waelhammad
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2022-10-22
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Consider the action of moving from having both feet fl at on the ground to standing on “tip toes”. Which of the following correctly identifi es the fulcrum, the load force, the effort force and the lever?

  1. Fulcrum is the heel, load is the body’s weight, effort is the pull of the hamstrings, lever is the tarsal bones of the foot.
  2. Fulcrum is the ball of the foot, load is the body’s weight, effort is the pull of the calf muscles, lever is the tarsal and metatarsal bones of the foot.
  3. Fulcrum is the ankle, load is the weight of the foot, effort is the pull of the hamstrings, lever is the tibia & fi bula bones.
  4. Fulcrum is the knee, load is the weight of the foot, effort is the pull of the calf muscles, lever is the tibia & fi bula bones.
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waelhammad
2022-10-22
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B: fulcrum has to be the “ball” of the foot (the rounded area superfi - cial to the joint between metatarsaI and proximal phalanx of the hallux) and load must be the weight of the body.

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