asked 235k views
1 vote
URGENT!!!!!!!!!!!!!!!!!!!!!!!

If Grace is gaining strong muscles by lifting heavy boxes, she is using which exercise principle?

the muscle adaptation principle
the exercise specificity principle
the Law of Reversibility
the overload principle

2 Answers

4 votes

Answer:

the muscle adaptation principle

Step-by-step explanation:

2 votes
a. muscle adaptation principle.
answered
User Pete
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