Dr. Kevin Yip

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

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Resisted flexion

Positioning.

The subject lies in the supine position with the hip and knee bent to right angles.
The examiner stands level with the foot of the subject. Both hands support the heel.

Procedure.

The subject is asked to move the heel downwards while the examiner applies strong counterpressure.

Common mistakes.

None.

Anatomical structures tested:

Muscle function:

• Semimembranosus
• Semitendinosus
• Biceps femoris
• Popliteus
• Gastrocnemii
• Plantaris
• Gracilis
• Sartorius
• Tensor fasciae latae.

Indirect traction on inert structures:

• Proximal tibiofibular joint
• Posterior cruciate ligament
• Posterior horn of the medial meniscus.

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