10 Sprained Knee Symptoms
Symptom #4: Popping Noises
If you have a serious sprain, there’s a chance that you heard a popping or a snapping sound when the injury occurred. Of course, this can be hard to hear if you injure yourself in a loud environment such as on a sports field.
This sound usually suggests that one of your ligaments has torn. This means that you probably have a more serious, grade III sprain.
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