Answer:
The answer is A
Explanation:
Immobilization is when a joint or bone is being held into place with a splint,cast or brace. This prevents the injured area such as a broking arm from moving while it is in the process of healing it self. In short it is important to immobilize an injuered limb to prevent it from getting more injured in the process of healing.
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B) exercise-associated muscle cramps