Knee injury: unhappy triad

Unhappy Triad

This is a serious sprain injury of the knee

It is a combined lesion of:

• Rupture of the anterior cruciate ligament.
• Tear of the medial collateral ligament.
• Medial meniscus tear.

Cause:

• Trauma or blow on the lateral side of the knee.
• The mechanism of this injury occurs when a lateral force to the knee is received while the foot is fixed on the ground. This places an increased valgus, or abduction, and rotational stress on the knee that results in the overstretching of these three structures.

To know more on the test and treatment: CLICK HERE

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