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This structure demarcates the superior border of the femoral triangle. [4] It demarcates the inferior border of the inguinal triangle . The midpoint of the inguinal ligament, halfway between the anterior superior iliac spine and pubic tubercle, is the landmark for the femoral nerve.
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. The tension generated by ...
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.
The lacunar ligament is the part of the aponeurosis of the external oblique muscle that is reflected backward and laterally and is attached to the pectineal line of the pubis. It is about 1.25 cm. long, larger in the male than in the female, almost horizontal in direction in the erect posture, and of a triangular form with the base directed ...
The medial condyle is one of the two projections on the lower extremity of femur, the other being the lateral condyle.. The medial condyle is larger than the lateral (outer) condyle due to more weight bearing caused by the centre of mass being medial to the knee.
The lower extremity of femur (or distal extremity) is the lower end of the femur (thigh bone) in human and other animals, closer to the knee. It is larger than the upper extremity of femur, is somewhat cuboid in form, but its transverse diameter is greater than its antero-posterior; it consists of two oblong eminences known as the lateral condyle and medial condyle.
The ligament becomes taut when the thigh is both flexed and either adducted or laterally/externally rotated. The ligament is usually too weak to actually function as a ligament [4] past childhood; [5] excessive movement at the hip joint is instead primarily limited by the three capsular ligament of the hip joint. [4]
Deep muscles of the medial femoral region (adductor tubercle labeled at bottom right) Front of right thigh , showing surface markings for bones, femoral artery and nerve (adductor tubercle labeled at bottom right)