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The capsule of hip joint, articular capsule, or capsular ligament is strong and dense attachment of the hip joint. Anterosuperiorly, it is attached to the margin of the acetabulum 5 to 6 mm. beyond the labrum behind; but in front, it is attached to the outer margin of the labrum, and, opposite to the notch where the margin of the cavity is ...
Zona orbicularis. Capsule of hip-joint (distended). Posterior aspect. (Zona orbicularis labeled at center bottom.) The zona orbicularis or annular ligament is a ligament on the neck of the femur formed by the circular fibers of the articular capsule of the hip joint. It is also known as the orbicular zone, ring ligament, and zonular band.
Joint capsule. Diagrammatic section of a diarthrodial joint. In anatomy, a joint capsule or articular capsule is an envelope surrounding a synovial joint. [1] Each joint capsule has two parts: an outer fibrous layer or membrane, and an inner synovial layer or membrane.
The hip joint, scientifically referred to as the acetabulofemoral joint (art. coxae), is the ball-and-socket joint between the pelvic acetabulum and the femoral head. Its primary function is to support the weight of the torso in both static (e.g. standing) and dynamic (e.g. walking or running) postures. The hip joints have very important roles ...
Femoral neck. Upper extremity of right femur viewed from behind and above. Right femur. Anterior surface. The femoral neck (femur neck or neck of the femur) is a flattened pyramidal process of bone, connecting the femoral head with the femoral shaft, and forming with the latter a wide angle opening medialward.
The descending part below, is weaker and runs parallel to the femoral shaft. [4] [verification needed] It is intimately connected with the joint capsule, and serves to strengthen the joint by resisting hyperextension. Its upper band is sometimes named the iliotrochanteric ligament. Between the two bands is a thinner part of the capsule.
The ischiofemoral ligament (ischiocapsular ligament or ischiocapsular band) consists of a triangular band of strong fibers on the posterior side of the hip joint. [ 1 ] It is one of the four ligaments that reinforce the hip joint. It attaches to the posterior surface of the acetabular rim and acetabular labrum, and extends around the ...
The joint itself is encompassed by a thick, fibrous joint capsule, which is lined by synovium. The ligaments that keep the hip joint in place are in fact, thickened areas of joint capsule, rather than distinct structures. The synovium generates fluid that lubricates the joint; in that fluid are the nutrients needed to keep the cartilage cells ...