Orthopaedics · Musculoskeletal System · Medium

Labrum

Meaning: Ring of fibrocartilage attached around a joint socket rim, deepening it and adding stability.

In practice: A SLAP tear of the superior shoulder rim is suspected when O'Brien's test hurts in internal but not external rotation.

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Two questions on related orthopaedics words.

Which word means: Failure of a fractured bone to heal, leaving a persistent gap or false joint.

Which word means: A crescent-shaped cartilage in the knee that cushions the joint.

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