The patellofemoral engagement index is a measurement derived from MRI images and which gives an idea of the degree of patella alta in patients with recurrent instability.

It measures the amount of overlap of the joint surface of the patella with the top of the trochlea when the knee is extended.

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Dr Sheila StroverĀ (Editor)
BSc (Hons), MB BCh, MBA

See biography...

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