What is Medial Collateral Ligament Sprain?
As with any other sprain, a MCL injury is the result of excessive stretching or tearing of the ligament. The severity of the injury can range from a slight stretching to a complete rupture of the ligament. What causes Medial Collateral Ligament Sprain? By far the most common cause of medial collateral ligament sprain is a blow or sudden impact to the outside (lateral) of the knee joint. This causes the outside of the knee to collapse inward toward the midline of the body and the inside of the knee (where the medial collateral ligament is located) to widen and open up. This opening up stretches the ligament, which results in the injury. What are the Signs & Symptoms of Medial Collateral Ligament Sprain? The severity of the symptoms tends to correlate with the severity of the injury. In other words, the worse the injury, the worse the symptoms. The most common symptom of a MCL injury is pain around the inside of the knee joint. Also common is bruising, swelling and tendinous. Medial Coll