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The linea aspera is a prominent longitudinal ridge or crest, on the middle third of the bone, presenting a medial and a lateral lip, and a narrow rough, intermediate line. It is an important insertion point for the adductors and the lateral and medial intermuscular septa that divides the thigh into three compartments .
Above, the linea aspera is prolonged by three ridges. The lateral ridge termed the gluteal tuberosity is very rough, and runs almost vertically upward to the base of the greater trochanter . It gives attachment to part of the gluteus maximus : its upper part is often elongated into a roughened crest, on which a more or less well-marked, rounded ...
The gluteal tuberosity is the lateral prolongation of three prolongations of the linea aspera that extending superior-ward from the superior extremity of the linea aspera [1] on the posterior surface of the femur. [2] The gluteal tuberosity takes the form of either an elongated depression [3] or a rough ridge.
Medial ridge of linea aspera and the adductor tubercle: Vastus lateralis muscle: Origin: Greater trochanter and lateral ridge of linea aspera: Vastus intermedius muscle: Origin: Front and lateral surface of femur Vastus medialis muscle: Origin: Distal part of intertrochanteric line and medial ridge of linea aspera: Short head of biceps femoris ...
The adductor tubercle is a tubercle on the lower extremity of the femur. It is formed where the medial lips of the linea aspera end below at the summit of the medial condyle. It is the insertion point of the tendon of the vertical fibers of the adductor magnus muscle. [1] [2]
It lies ventrally on the adductor magnus, and near the femur, the adductor brevis is interposed between these two muscles. Distally, the fibers of the adductor longus extend into the adductor canal. [1] It is inserted into the middle third of the medial lip of the linea aspera. [1]
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The vastus lateralis muscle arises from several areas of the femur, including the upper part of the intertrochanteric line; the lower, anterior borders of the greater trochanter, to the outer border of the gluteal tuberosity, and the upper half of the outer border of the linea aspera.