A patellar fracture is a traumatic break of the patella bone (knee cap).

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Quads tendon rupture, patellar fracture and patellar tendon rupture - similarities and differences

When a person straightens, or 'extends', their knee, they use the muscle-bone-tendon complex that we call 'the extensor mechanism'.

extensor mechanism

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How urgent is your knee problem?

A list to help you in your own researches on your knee problem.

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