A surgical opening where the foreskin of a knee is peeled back revealing internal flesh

The thick extensor retinaculum (sheath) that needs released as it pinches tendons.

A surgical opening where the foreskin of a knee is peeled back revealing internal flesh

A partial release of the retinaculum.

A surgical opening where the foreskin of a knee is peeled back revealing internal flesh

Complete release of the retinaculum. Note how thick this abnormal band is. It should be thin like cellophane.