I was always taught you need (usually) atleast 48 hours rest before working out the same major muscle group. Like if I do a whole bunch of push-ups on Monday (12 sets of 20 or so) the next day and even day after I’d be too sore to even attempt 1. So how do people do it? Does it not damage the already worked-out muscles?
In: Biology
The idea that you need 48 hours rest between sessions of the same muscle group is a myth. This stems from the idea that you need to be fully recovered from session to session. The inverse is actually true for non beginners. To continually make gains you need to continually increase stress, more stress than you could obtain in a single session.
48 hours is just a somewhat arbitrary length of time where if you are new you will have recovered and if you are more advanced you will have recovered enough, although not fully. In reality though when programmed correctly you can use any frequency including 7 days/week.
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