First degree medial collateral ligament (MCL) injury

Alternative names:

injury - knee - first degree mcl; injury - MCL - first degree; injury - medial collateral ligament - first degree; knee injury - medial collateral ligament - first degree; medial collateral ligament injury - first degree

Symptoms:

• knee pain and tenderness along the inside (medial) aspect of the joint
• knee swelling may be present

Signs and tests:

A physical examination with a medial collateral ligament test (valgus stress at 25 degrees of flexion) results in unchanged knee joint tightness. This test involves bending the knee to 25 degrees and putting pressure on the outside surface of the knee.

Other tests may include:

• a knee MRI
• a knee joint X-ray