Bodybuilders show off their muscles by
A) activating their autonomic nervous system.
B) willing the activation of their extensor muscles.
C) willing the activation of their flexor muscles.
D) simultaneously contracting their flexor and extensor muscles.
E) ingesting large amounts of sympathomimetic drugs.

Question

Quizplus · Accepted Answer

Bodybuilders show off their muscles by simultaneously contracting their flexor and extensor muscles. This action creates a more defined and pronounced muscle appearance by increasing tension in both muscle groups, which are typically opposing forces in movement.

Bodybuilders Show Off Their Muscles by