Group fitness instructors
a. demonstrate proper techniques for yoga and aerobics
b. supervise the rehabilitation of sports injuries
c. manage food service systems for schools
d. teach good health concepts and facts

Explanation: Yoga does more than burn calories and tone muscles. Workout fads come and go, but virtually no other exercise program is as enduring as yoga. Props like blocks, straps, and chairs to help you move your body into the proper alignment. There are yoga poses to target just about every core muscle.

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