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Why do muscles need to be strained when exercising?
A.It allows them to grow stronger as they rebuild
B. Muscles are not being used if they are not strained
C. exercising is supposed to be a strain on all muscles
D. If muscles are not strained they are not getting oxygen

Respuesta :

jhanelleberry13

Answer:

A

Explanation:

It's A because the muscles are required to work harder, and this causes microscopic damage to the muscle fibers, resulting in stiffness or soreness.

RilakkuOats
A



Because when you work out, you’re muscle fibers tear apart but they grow up stronger
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