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4 votes
Muscle fibers move back and forth during _____.

rest
a static stretch
exercise

User Upton
by
4.2k points

2 Answers

3 votes

Answer:

exercise

Step-by-step explanation:

User Qnimate
by
4.6k points
3 votes

Answer:

b. exercise

Step-by-step explanation:

static stretch and rest aren't physical which wouldn't move muscles!

User Shenhengbin
by
4.0k points