Athletes often feel a bit of a twinge, ache or weakness in the knees. Sometimes overuse can cause some soreness along the front, or sides of the knee. Riding a bike with improper bicycle fit is another very common cause of knee pain. But how do you know when knee pain is serious and when you just need some time to recover?
There are some red flags that indicate it may be time to see a doctor for your knee pain. Among the most obvious warning signs of serious knee pain is any pain or swelling of the knee joint that persists for more than 48 hours.
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