The gluteal tuberosity is a broad, rough ridge on the posterior surface of the upper femoral shaft, running from below the greater trochanter down to the linea aspera. It provides insertion for the deep fibres of gluteus maximus, and when prominent it is sometimes called the third trochanter.
| Articulations |
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|---|---|
| Landmarks |
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| Ossification | Formed on the femoral shaft by the primary centre; a prominent third trochanter may have its own small secondary centre. |
The gluteal tuberosity is a useful landmark in proximal femoral surgery and on imaging. Enthesopathy or calcific tendinitis at the gluteus maximus insertion is an uncommon cause of posterior thigh pain, and calcific deposits here can mimic a tumour or periosteal reaction on radiographs.
Calcium deposits at the gluteus maximus insertion on the gluteal tuberosity cause posterior upper thigh pain and can mimic a tumour on radiographs.
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