using equipment that you haven’t been trained on

Using equipment that you haven’t been trained on

A. is OK as long as you’re careful and read the directions.

B. allows you the opportunity to teach yourself how to do a particular exercise.

C. can cause major damage to your body and to the equipment.

D. is a good way to add variety to your workout.

Answer:

C. can cause major damage to your body and to the equipment.