Symptoms vary depending on the degree of MCL sprain:
The medial collateral ligament (MCL) is found on the medial (inside) part of the knee. It connects the femur to the tibia and allows hinging movement of the knee while preventing excessive side-to-side motion.
Injuries (MCL sprain) occur when there is a direct or indirect force that pushes the knee sideways, such as a hit on the outside of the knee or sudden “splits” causing the ankle to be forced outward.
Any injury to the MCL is considered a sprain. MCL sprains are classified as three different sprains, depending on severity:
First-degree sprains damage only a few ligament fibers.
Second-degree sprains damage more ligament fibers, but the ligaments are still intact
Third-degree sprains involve a complete rupture of the ligament. The trauma involved in this injury may also involve injury to the meniscus or ACL.
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