Dr. Kevin Yip

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

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ISOMETRIC CONTRACTIONS-Resisted extension

Positioning.

The subject lies in the supine position with the knee slightly bent. The examiner
stands level with the knee. One forearm is placed under the knee with the hand resting on the other knee, proximal to the patella. The other hand is on the distal end of the leg just proximal to the malleoli.

Procedure. ..

The subject is asked to extend the knee and to maintain extension while the examiner pushes the lower leg down towards the couch..

Common mistakes.

None.

Anatomical structures tested:

Muscle function:

• Quad riceps femoris
• Tensor fasciae latae.

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