Greater trochanter Totally Explained

Everything about The Greater Trochanter totally explained

The greater trochanter (great trochanter) of the femur is a large, irregular, quadrilateral eminence, situated at the junction of the neck with the upper part of the body.
It is directed a little lateralward and backward, and, in the adult, is about 1 cm. lower than the head. Part of the skeletal system. Because the pelvic outlet in the female is larger than in the male, there's a greater distance between the greater trochanters in the female.
It has two surfaces and four borders.

Surfaces

The lateral surface, quadrilateral in form, is broad, rough, convex, and marked by a diagonal impression, which extends from the postero-superior to the antero-inferior angle, and serves for the insertion of the tendon of the Glutæus medius.
Above the impression is a triangular surface, sometimes rough for part of the tendon of the same muscle, sometimes smooth for the interposition of a bursa between the tendon and the bone. Below and behind the diagonal impression is a smooth, triangular surface, over which the tendon of the Glutæus maximus plays, a bursa being interposed.
The medial surface, of much less extent than the lateral, presents at its base a deep depression, the trochanteric fossa (digital fossa), for the insertion of the tendon of the Obturator externus, and above and in front of this an impression for the insertion of the Obturator internus and Gemelli.

Borders

The superior border is free; it's thick and irregular, and marked near the center by an impression for the insertion of the Piriformis.
   The inferior border corresponds to the line of junction of the base of the trochanter with the lateral surface of the body; it's marked by a rough, prominent, slightly curved ridge, which gives origin to the upper part of the Vastus lateralis.
   The anterior border is prominent and somewhat irregular; it affords insertion at its lateral part to the Glutæus minimus.
   The posterior border is very prominent and appears as a free, rounded edge, which bounds the back part of the trochanteric fossa.

Additional images

Image:Gray244.png|Right femur. Anterior surface. Image:Gray245.png|Right femur. Posterior surface. Image:Gray339.png|Right hip-joint from the front. Image:Gray343.png|Capsule of hip-joint (distended). Posterior aspect. Image:Gray544.png|The arteries of the gluteal and posterior femoral regions. Further Information

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