There are certain noises you expect to hear while exercising: The pound of your feet against the pavement during a run. The whoosh of your breath as your heart rate rises. But a knee pop or a back crack might not be so reassuring. Tap the link in profile to find out what it means when your joints crack and pop during your workouts ➡️ @livestrong_com⁠ ⁠ #LivestrongLiveWell