trochanter roll a wedge (usually a rolled towel) placed from the crest of the ilium to midthigh to prevent external rotation of the hip when the patient is in a recumbent position. Use of trochanter roll to prevent external rotation of hip.

What is the purpose of trochanter?

A trochanter is a tubercle of the femur near its joint with the hip bone. In humans and most mammals, the trochanters serve as important muscle attachment sites.

How does the trochanter work?

The greater trochanter gives attachment to a number of muscles (including the gluteus medius and minimus, piriformis, obturator internus and externus, and gemelli muscles), and the lesser trochanter receives the insertion of several muscles (including the psoas major and iliacus muscles).