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Do you have to exercise your muscles until they are sore?
It depends on your purpose. Different exercise methods have different purposes, and the body muscles react differently.

If you want to make your muscles bigger, you must practice until you are sore. But whether the pain starts the next day varies from person to person. Some people start to get sour on the same day, and some people start to get sour on the third day.

If you want to improve muscle endurance and separation, it may not have a sore effect.