Assume I exercise regularly, let’s say I work out on a Friday and then don’t work out the rest of the weekend.
Is the muscle built Friday night while I sleep? All through Saturday? During the weekend?
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After undergoing trauma from resistance exercise and assuming the trauma was sufficient enough to cause the body to react by deciding to release growth hormone from the pituitary gland and build muscle it can day 1 -7 days for the muscle to actually grow. Depends on a ton of factors but the process will begin as early as a few hours.
Common myth is muscles only grow while sleeping, this isn’t true. While sleeping your body does do the heavy lifting on muscle repair and growth, your body is also constantly breaking down and rebuilding muscle at all times , even in people who don’t train at all.
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