why do muscles start to REALLY hurt the following day

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So been being more cautious about my health since I’m in my late twenties and decided to try to exercise some more. Starting out with 25 pushups and 10 burpees (probably not a lot but I felt winded) and after the exercise I felt fine. Then the next day it starts to hurt like something smart. Why though? Shouldn’t the muscles be rested after that point?

In: Biology

22 Answers

Anonymous 0 Comments

When you play really hard or exercise a lot, your muscles get little tears. Your body fixes them while you sleep, but while it’s fixing, it makes your muscles sore. It’s like when you scrape your knee, it hurts until it heals.

Anonymous 0 Comments

The term you wanna look up for more info on this is Delayed Onset Muscle Soreness (DOMS). No by the next day your muscles aren’t healed yet., they have pain and inflammation from the damage done by the exercise. If you’re starting to exercise more than before, make sure to warm up some, and don’t ramp up too much too soon if you want to avoid serious DOMS.

I am not a health professional. Here is some more info from better sources than me:

[https://www.physio-pedia.com/Delayed_onset_muscle_soreness_(DOMS)](https://www.physio-pedia.com/Delayed_onset_muscle_soreness_(DOMS))

[https://www.healthline.com/health/doms](https://www.healthline.com/health/doms)

[https://en.wikipedia.org/wiki/Delayed_onset_muscle_soreness](https://en.wikipedia.org/wiki/Delayed_onset_muscle_soreness)

Anonymous 0 Comments

Because you are putting tiny little tears in the muscle tissue. When it heals it scabs over a little tiny bit bigger. That’s how you build muscle tearing and scabbing over and it can take a couple days if you’re new to it or worked out very hard.

It’ll become less and less and stop lasting as long with time (as long as you are using correct form).

It means you did good. Keep it up.

Edit: just a tip. Now that you started these next 6 months are the most important of your work out life. This is the time to get the most gains. So stick to it.

Anonymous 0 Comments

On a fundamental level we don’t know. The things other people mentioned about muscle tears are reasonable theories, but this hasn’t been proven. We know its not related to lactic acid. It might be related to tendon strain

Anonymous 0 Comments

It’s a known thing, called Delayed Onset Muscle Soreness. It’s sore the next day because you need to rest before you can really begin to recover — it takes 2-3 days for muscles to recover fully, so by the next day you’ve still got plenty of recovery to do, and are feeling the most of it.

Anonymous 0 Comments

If you’re starting up exercising after being sedentary for a while, your body isn’t as efficient at resting and recovering. I know the first workout I do after a few weeks off from the gym tends to make me sore but the soreness ameliorates after more regular exercise.

Anonymous 0 Comments

The soreness will greatly reduce with repetition to the point that it’s marginal or unnoticeable. Or, if you’re a freak like me, the soreness might start to feel really good. When I take a break from the gym, during the first week or two returning, the next day soreness is painful and annoying. But a couple weeks in it becomes really pleasurable in a way I can’t describe. Like warm pleasant muscle aches.

Anonymous 0 Comments

I can’t explain why, but I can explain that it’s something that should really only happen pretty early on in training. If you consistently feel REALLY sore from a workout you aren’t doing something right. You’re either using too much intensity of simply not working the muscle often enough.

Anonymous 0 Comments

Like others have said it’s DOMS. It usually happens if you haven’t worked out in a while. Just keep at it for 2 to 3 weeks and you won’t feel it much anymore. Also need to eat more protein to recover. Whey Protein powder is good way to do it.

Anonymous 0 Comments

Don’t ask Redditors just google or YouTube it. It’s called delayed onset muscle soreness , your body will adapt over time , sleep it off and eat quality food