A 38-year-old member asked:
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what happens to skeletal muscles if you don't exercise?

2 doctor answers
Dr. Judy Orton
34 years experience Pediatrics
Get weak: They'll get weaker and smaller with calories from foods going to make bigger fat cells.
Answered on Aug 20, 2013
Dr. Cory Annis
28 years experience Internal Medicine and Pediatrics
They age: Like human beings, muscles without exercise get shorter, fatter, and weaker. Using muscles stimulates growth of new muscle & replacement of injured muscle (as long as you rest to allow the process to complete itself) it also signals other healthy processes in your body. No exercise=reverse of that: no repair, no signals & eventually replacement of muscle cell w/ fat.
Answered on Jun 20, 2016

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