UNDERSTANDING THE COMPLEXITIES OF MUSCLE SORENESS
UNDERSTANDING THE COMPLEXITIES OF MUSCLE SORENESS Intense workouts, such as resistance training, stress your muscles and tendons and can cause soreness. This soreness is more likely to occur if you are beginning a new exercise or resistance training program or have had a long layoff. It also occurs among runners, walkers, and cyclists. You probably have experienced muscle soreness after doing hard physical labor, such as moving furniture or gardening, which is feedback that your muscles have worked hard and damage has occurred. Microtrauma inflicted by intense workouts or physical labor causes intracellular calcium loss and inflammation. These two processes are toxic to muscle tissue and occur slowly, which explains why muscle soreness first appears 1 to 2 days after the activity. Not all workouts create muscle soreness, but when the exercise is sufficiently intense, there is a good chance that soreness will occur. Severe muscle soreness will commonly last for more than a week. Th...