Which of the following is true regarding joints that are first-class levers?
A) Their mechanical advantage may be either greater or less than 1.0.
B) Their mechanical advantage is always less than 1.0.
C) Their output force is always greater than the input force.
D) Their resistance is between the joint (fulcrum)and the distal end of the bone (effort).
E) The joint (fulcrum)is at the opposite end from the tendinous attachment (effort).

Question

Quizplus · Accepted Answer

First-class levers have a fulcrum located between the effort and the load, allowing for a mechanical advantage that may be either greater or less than 1.0, depending on the relative distances of the effort and the load from the fulcrum.

Which of the Following Is True Regarding Joints That Are