Why do we feel pain after the workout?

We always read this Quote NO PAIN, NO GAIN in gyms. So it's time to discuss it deeply, let us cover the points to understand muscle pain. Have you ever felt pain when you change your workout routine or someday you did intense training regardless of your fitness level. Usually, this type of muscles stiffness and soreness is very normal and would recover in days. Actually, it's also a sign of raising fitness level. So the question is Why we feel it? A bit technical term, Delayed onset muscle soreness (DOMS) . The soreness we feel after a physical workout is known as DOMS. It usually occurs when we change our physical activity like change workout routine in the gym Myth: DOMS is caused by lactic acid build up DOMS caused by the lactic acid build is totally a myth and is caused by micro-fractures in the muscle cells. Another symptom of DOMS is muscle swelling. It is one of the serious effect of DOMS that your muscle looks eventually bigger. ...