If you've ever heard your knees pop when you stand up or noticed a cracking sound in your back as you stretch, you’re not alone. These sounds, medically known as crepitus, are common and usually ...

Q: My knee makes a popping sound sometimes — should I be concerned? A: Knee noises can be unsettling, but they're not always a cause for concern.

There are certain sounds you expect to hear during a workout: heavy breathing, weights clinking on the rack, and the catchy melodies of a pump-up playlist. One that may very understandably catch you ...

2. The Secret of the Popping Sound We’ve all done it, sitting idle, stressed, or just bored, we twist our fingers till they pop! Some find it relaxing, others find it annoying. But have you ever ...