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The linea aspera (Latin: rough line) is a ridge of roughened surface on the posterior surface of the shaft of the femur. [1] It is the site of attachments of muscles and the intermuscular septum . Its margins diverge above and below.
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 ...
Medial ridge of linea aspera and the adductor tubercle: Obturator nerve and tibial nerve (L2-L5) Adductor minimus: Inferior pubic ramus: Medial ridge of linea aspera: Obturator nerve [3] Pectineus: Pectineal line (pubis) Pectineal line: Femoral nerve and sometimes the obturator nerve (L2-L4) Gracilis: Inferior pubic ramus: Pes anserinus on the ...
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]
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The lesser trochanter is a conical posteromedial projection of the shaft of the femur, projecting from the posteroinferior aspect of its junction with the femoral neck. [1] The summit and anterior surface of the lesser trochanter are rough, whereas its posterior surface is smooth. [1] From its apex three well-marked borders extend: [2]