Dr. Kevin Yip

Dr Kevin Yip
Orthopaedic Surgeon
MBBS(UK), FRCS(EDIN), FAM(SING), FHKCOS(ORTHO)

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Passive lateral rotation

Positioning.

The subject lies in the supine position with the knee flexed to a right angle and the
heel resting on the couch. The examiner stands level with the subject’s knee. One hand grasps the forefoot at the inner side and presses it upwards in dorsiflexion. Place the other shoulder against the knee, the arm under the lower leg and the hand under the heel.

Procedure.

Perform a lateral rotation by using the foot as a lever; the supporting arm only stabilizes

Common mistakes.

Dorsiflexion in the ankle is lost.

Normal functional anatomy:

• Rallge: 45°
• El1d-feel: elastic Ugamentous
• Limiting structures:

– medial meniscotibial (coronary) ligament
– posterior fibres of medial collateral Ugament
– popliteus muscle.

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