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The trochlear groove is the concave surface where the patella (kneecap) makes contact with the femur (thighbone). Also called the 'trochlea'.

trochlear groove

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Understanding the groove under the kneecap

The relationship of the kneecap - or patella - to the underlying bone is very important.

Every step that a person takes transmits forces through the kneecap. Anything affecting the normal function of the kneecap will knock on to affect gait, kneecap stability and kneecap comfort.

 

The kneecap's bony relationships

The kneecap, or...

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Knee bones from above

Simple illustrations to give a birds' eye view of the knee bones.

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