Which of the Following Statements Are True of Muscle Arrangements

Which of the following statements are true of muscle arrangements (Select all that apply) ?

A) Antagonistic muscles are those with opposite functions.
B) Synergistic muscles are those with alternating functions.
C) If one muscle pushes a bone one way,another muscle will be needed to push the bone the other way.
D) The muscle that does most of the work of a movement is the first responder.
E) A muscle may have more than one synergist because the bone to be moved may be in several different positions.
F) An antagonist to a muscle is usually found on the opposite side of the joint to be moved.