What are the 4 major ligaments that support the knee?

The four main ligaments in the knee connect the femur (thighbone) to the tibia (shin bone), and include the following:

• Anterior cruciate ligament (ACL).
• Posterior cruciate ligament (PCL).
• Medial collateral ligament (MCL).
• Lateral collateral ligament (LCL).

How do I know if I tore a ligament behind my knee?

Symptoms can include: A popping sound (or a popping or snapping feeling) at the time of injury – this can sometimes be heard (or felt) if a ligament is completely torn. Swelling of your knee. When a ligament is injured, there may be some bleeding inside your knee joint from the damaged ligament.

What is the most common knee ligament injury?

The anterior cruciate ligament (ACL) is located toward the front of the knee. It is the most common ligament to be injured. The ACL is often stretched and/or torn during a sudden twisting motion (when the feet stay planted one way, but the knees turn the other way).

What are the 3 knee ligaments?

Posterior cruciate ligament (PCL) – The ligament, located in the center of the knee, that controls backward movement of the tibia (shin bone). Medial collateral ligament (MCL) – The ligament that gives stability to the inner knee. Lateral collateral ligament (LCL) – The ligament that gives stability to the outer knee.

How do you strengthen knee ligaments?

Quad sets

1. Sit with your affected leg straight and supported on the floor or a firm bed. Place a small, rolled-up towel under your knee.
2. Tighten the thigh muscles of your affected leg by pressing the back of your knee down into the towel.
3. Hold for about 6 seconds, then rest for up to 10 seconds.
4. Repeat 8 to 12 times.

Can knee ligaments heal without surgery?

Very minor tears (sprains) may heal with non-surgical treatments and regenerative medicine therapy. But full ACL tears cannot be healed without surgery. If your activities do not involve making pivoting movements on the knee, physical therapy rehabilitation may be all you need.