Which of the Following Statements Are True of Muscle Arrangements

Which of the following statements are true of muscle arrangements? (Read carefully and select all of the correct statements.)

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.