Which of the following movements in the mammalian skeleton represents the leverage of the third order,where the force is applied at a point between the fulcrum and the point of resistance?

  • A
    Biceps muscle flexing arm at elbow
  • B
    Triceps muscle extending arm at elbow
  • C
    Gastrocnemius muscle raising weight of body on toes
  • D
    Movement of the head of femur in the acetabulum of pelvic girdle

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