Unhappy Triad

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The “unhappy triad”, also known as a blown knee is one of the most severe knee injuries. It refers to an injury that involves three major ligaments in the knee:

  • The anterior cruciate ligament (ACL)
  • The medial collateral ligament (MCL)
  • The medial meniscus (MMT)

Disclaimer: The information above should not be used as a substitute for professional medical advice, diagnosis or treatment. You should seek the advice and care from a primary care physician or physical therapist. If you are experiencing a medical emergency, call 9-1-1.