To ignore or not to ignore that mysterious sound.
You’ve been there — while diving into an intense workout, you hear your knees, elbows, or ankles start to pop.
Fortunately, most of the time, if your knees are cracking but don’t hurt, the noise is just the sound of your body’s natural gas bubbles bursting. But if you’re feeling any pain, however, alarm bells should go off.
There are signs and symptoms of serious injury over at Prevention.