Greater trochanter
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Greater Trochanter
The Greater trochanter is a large, irregular, quadrilateral eminence and a part of the skeletal system located on the femur, the longest bone in the human body. It is situated at the junction of the neck and the body of the femur, and serves as the site of attachment for several important muscles.
Anatomy[edit | edit source]
The greater trochanter is positioned on the proximal (near) end of the femur, lateral to the femoral neck. It is a prominent bony protrusion that can be palpated on the outside of the hip. The greater trochanter is divided into a number of facets, or flat surfaces, which correspond to the points of attachment of the gluteus minimus, gluteus medius, and piriformis muscles, among others.
Function[edit | edit source]
The primary function of the greater trochanter is to provide an attachment point for muscles that move the hip joint. These muscles include the gluteus medius and minimus, which are responsible for abducting and medially rotating the hip, and the piriformis, which laterally rotates the hip. The greater trochanter also serves as a lever arm, enhancing the mechanical advantage of these muscles.
Clinical Significance[edit | edit source]
Injuries or conditions affecting the greater trochanter can lead to pain and mobility issues. Trochanteric bursitis, an inflammation of the bursa located over the greater trochanter, is a common condition that can cause hip pain. Fractures of the greater trochanter can occur as a result of trauma or due to pathological conditions such as osteoporosis.
See Also[edit | edit source]
References[edit | edit source]
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