*What is the difference between isotonic & isometric muscle contractions?A) Isotonic contractions produce no movement while isometric contractions produce movement.B) Isotonic contractions produce movement while isometric contractions produce no movement.C) Isotonic contractions generate tension in the muscle while isometric contractions involve the shortening of the muscle fibers.D) Isotonic contractions involve the contraction of individual muscle fibers while isometric contractions involve the entire muscle.