Regarding a Muscle Insertion, Which of the Following Is True

Regarding a muscle insertion, which of the following is true

A) The insertion moves more than does the origin.
B) The insertion is proximal to the origin.
C) As the speed of the muscle movement increases, the insertion moves further from the origin.
D) As the force of muscle contraction increases, the origin moves toward the insertion.
E) All of the answers are correct.