Dr. Kevin Yip

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

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Palpation of the sinus tarsi

Starting from the anterior surface of the lateral malleolus and moving anteriorly and medially, the finger falls into a depression
– the sinus tarsi. If the finger is left in place and the foot is inverted, the depression excavates and its borders can be better ascertained.
Just anterior to the malleolus the lateral process of the talus is felt to press against the palpating finger. The neck of the talus is determined as the medial border and the anterior third of the calcaneus as the bottom of the sinus tarsi. The sinus tarsi is also bordered by tendinous structures: superiorly the long extensors of the
toes and inferiorly the peronei.

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