Answered

Athletes warm up to ensure their joints are flexible. Flexible joints are

A. only a concern for cross-training athletes.
B. important to prevent athletic injury.
C. important so you can run faster or reach farther.
D. naturally occurring as you move further into your fitness program.

Answer :

Josuke
If I had to guess, I would say B, though it could also be D. I'd bet on B the most.

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