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The other two borders of the femur are only slightly marked: the lateral border extends from the antero-inferior angle of the greater trochanter to the anterior extremity of the lateral condyle; the medial border from the intertrochanteric line, at a point opposite the lesser trochanter, to the anterior extremity of the medial condyle.
Anterior (from Latin ante ' before ') describes what is in front, and posterior (from Latin post ' after ') describes what is to the back of something. [9] For example, for a dog the nose is anterior to the eyes and the tail is considered the most posterior part; for many fish the gill openings are posterior to the eyes and anterior to the tail.
In the thigh, the nerve lies in a groove between iliacus muscle and psoas major muscle, outside the femoral sheath, and lateral to the femoral artery. After a short course of about 4 cm in the thigh, the nerve is divided into anterior and posterior divisions, separated by lateral femoral circumflex artery. The branches are shown below: [1]
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]
The muscles of the thigh can be classified into three groups according to their location: anterior and posterior muscles and the adductors (on the medial side). All the adductors except gracilis insert on the femur and act on the hip joint, and so functionally qualify as hip muscles.
Anterior and superior to the trochanteric fossa is a shallower depression known as the Unnamed Fossa. The Unnamed Fossa is the insertion point of the Superior Gemellus, Obturator Internus and Inferior Gemellus, which all act as lateral rotators of the thigh. The lesser trochanter is a cone-shaped extension of the lowest part of the femur neck.
Orientation: Normal: Horizontal resolution: 300 dpi: Vertical resolution: 300 dpi: Software used: Adobe Photoshop CS6 (Windows) File change date and time: 11:07, 11 June 2019
The nerve of the anterior compartment of thigh is the femoral nerve. [2] Innervation for the quadriceps muscles come from the posterior division of the femoral nerve, while the anterior division (which contains cutaneous as well as muscular components) gives a lateral and a medial branch, the second being responsible for the innervation of the sartorius muscle. [4]