Types of skeletal muscle contraction (isometric and isotonic)

1.      When a muscle contracts, it usually has an opposing muscle that can cause movement in the opposite direction. Such a muscle is called a(an)

a)      Agonist

b)     Antagonist

c)      Synergist

2.      When a muscle contracts, there may be another muscle that contracts along with it. Which of the following terms describes that type of muscle?

a)      Agonist

b)     Antagonist

c)      Synergist

3.      Muscle contractions in which the muscles actually shorten

a)      Isometric

b)     Isotonic

4. Muscle contractions in which the muscles don’t shorten

a)      Isometric

b)     Isotonic