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Unhappy triad

Summary of Unhappy triad
An unhappy triad refers to a complete or partial tear of the anterior cruciate ligament, medial collateral ligament, and the medial meniscus. The lateral meniscus may also be involved.



Musculoskeletal system


Pediatric musculoskeletal conditions
Musculoskeletal injuries and trauma
Bone disorders
Joint disorders
Muscular disorders
Neuromuscular junction disorders
Other autoimmune disorders
Musculoskeletal system pathology review

Unhappy triad


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High Yield Notes
12 pages

Unhappy triad

5 flashcards

USMLE® Step 1 style questions USMLE

1 questions

USMLE® Step 2 style questions USMLE

1 questions

A 17-year-old male comes to the emergency department because of severe left knee pain for an hour. He was playing football when an opposing player hit the lateral aspect of his knee. He was unable to finish the game because of pain, and he feels instability in his knee. Examination of the knee shows a large effusion. There is tenderness along the medial joint line, and Lachman test is positive. Which of the following structures were most likely damaged?

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