Skip to main content
3 votes

Can your rectum atrophy after a long time of inactivity?

The premise is incorrect. The internal anal sphincter is in a state of chronic contraction and is not under voluntary control. When defecation occurs the sphincter relaxes allowing the passage of the ...
Graham Chiu's user avatar
  • 13.3k
1 vote

Does skeletal muscle injury cause hypertrophy or atrophy?

The answer is hypertrophy, but if the injury is disabling, then it will lead to muscle atrophy due to disuse. Note that body builders lift weight until causing minor injury.
Sohrab T's user avatar
  • 196

Only top scored, non community-wiki answers of a minimum length are eligible