4. Which of the following is characteristic of cross training? A. Conditions a variety of muscle groups
B. Consecutive high-impact activity days
O C. Recovery from high-impact activity days
D. Conditions one muscle group

Cross training lets you include low-impact activities, like bike riding and swimming, that provide the benefits you need without putting more stress on your joints. Cross training can also help you recover from a back or knee injury.

the answer is true because it was true