Aerobic exercise has been associated with all of the following EXCEPT

A) muscle relaxation.
B) sound sleep.
C) biofeedback.
D) toned muscles.

Biofeedback

A technique that teaches individuals to improve their health by controlling certain bodily processes that normally happen involuntarily, such as heart rate and blood pressure.

Muscle Relaxation

A process that leads to a reduction in tension in the muscles, often used as a stress management technique.

Toned Muscles

Muscles that have a firm appearance, usually as a result of consistent physical exercise and adequate nutrition.