Don't rush me! —— Longer rest between training groups will lead to better muscle building effect?
Generally speaking, the heavier you lift, the more rest time you need between sets. However, resting for too long will lead to a reduction in "muscle under stress time" (TUT), which has a great impact on the muscle-building effect. However, all fitness veterans will say, "If you want to grow muscles, you must lift weights." So, what is the ideal rest time between sets for building muscle? What are the effects of a break that is too long or too short?