Search results
Results from the WOW.Com Content Network
Notching of the femoral neck during the preparation of the femoral head. Exposure of cancellous bone following implantation. [3] In hip resurfacing surgery, accurately identifying the true centre of the femoral neck in both antero-posterior (AP) and lateral planes is crucial. [4] This reference point is essential for the precise positioning of ...
The neck is flattened from before backward, contracted in the middle, and broader laterally than medially. The vertical diameter of the lateral half is increased by the obliquity of the lower edge, which slopes downward to join the body at the level of the lesser trochanter , so that it measures one-third more than the antero-posterior diameter.
The zona orbicularis and proximal hip joint capsule are poorly understood. Recent studies seem to confirm that the proximal to middle part of the articular capsule, including the zona orbicularis, acts biomechanically as a locking ring wrapped around the femoral neck and thus is a key structure for hip stability in distraction.
Above, the linea aspera is prolonged by three ridges. The lateral ridge is very rough, and runs almost vertically upward to the base of the greater trochanter.It is termed the gluteal tuberosity, and 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 tubercle, the third trochanter, is ...
Anatomy [ edit ] The intertrochanteric crest is a prominent smooth bony ridge upon the posterior surface of the femur at the junction of the neck and the shaft of the femur ; [ 1 ] together with the intertrochanteric line on the anterior side of the head, the intertrochanteric crest marks the transition between the femoral neck and shaft.
An intravenous (IV) line is placed in either the collarbone, hand or arm. Catheters may be put in the wrist and neck area to monitor the heart and blood pressure of the patient, as well as for obtaining blood samples. The patient's blood pressure, blood oxygen level, heart rate and breathing is monitored during surgery by an anaesthesiologist.
The distal capsular attachment on the femur follows the shape of the irregular rim between the head and the neck. As a consequence, the capsule of the hip joint attaches in the region of the intertrochanteric line on the anterior side, but a finger away from the intertrochanteric crest on the posterior side of the head. [4]
Additionally, a line drawn through the femoral neck superimposed on a line drawn through the femoral condyles forms an angle, the torsion angle, which makes it possible for flexion movements of the hip joint to be transposed into rotary movements of the femoral head. Abnormally increased torsion angles result in a limb turned inward and a ...