What causes muscle soreness after exercise? © Getty Images

What causes muscle soreness after exercise?

Soreness is your muscles after a workout due to lactic acid build up is a myth - so if this isn't the reason what is?

Asked by: Anonymous

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It’s often claimed that the soreness we feel a day or so after a work-out is the result of lactic acid build-up in our muscles during exercise. This is now known to be a myth: the lactic acid rapidly disappears. The real cause of such delayed onset muscle soreness (DOMS) is now thought to be inflammation caused by damage to muscle cells, which repair themselves after a few days.


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