Q: I get sore muscles after almost every workout, and then I’m still sore the next time I go to the gym. Is it bad to train a muscle when it’s still sore?

A: Scientists believe that sore muscles are caused by micro-tears in the fibers. In other words, it’s damage. Training a muscle hard while it’s still sore is like scratching the scab off of a wound before it’s completely healed. It impairs the healing process and can cause damage that retards proper recovery.

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