A Skilled Group Fitness Instructor Will Routinely Cue Participants on How

Multiple Choice

A skilled Group Fitness Instructor will routinely cue participants on how to modify resistance training to maximize muscle growth. One of the easiest suggestions made is to emphasize the eccentric contraction (or the "negative" element of strength training) instead of the concentric contraction. Which of the following contributes to the overall growth in the muscle?

A) An increase in the number of muscle spindles per muscle
B) An increase in the muscle's glycogen stores
C) Swelling in the muscles caused by exercise-related "trauma"
D) An increase in the size of individual muscle fibers and the total number of muscle fibers