Dr. Kevin Yip

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

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The ischial tuberosity

Place the palpating thumbs at the dorsal and medial side of the thighs, well below the gluteal fold, and move them in a cranial direction. The first bone that is encountered is the ischial tuberOSity. It provides attachment for the hamstring tendons posteriorly and the quadratus femoris and adductor magnus medially.

With the hip extended, the tuberosity is covered by the gluteus maximus and adipose tissue. If the hip is flexed, the gluteus maximus moves upwards
and the ischial tuberosity becomes better palpable. At the medial aspect of the tuberosity a strong fibrous band can be felt, joining the sacrum in a craniomedial direction. This is the sacrotuberous ligament.

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