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Sudden hip pain, shooting pain, a dull ache — all can be symptoms of issues involving your hip. The hip joint contains the ball of the thigh bone and the pelvis socket. It’s held in place with ...
The lateral rotator group is a group of six small muscles of the hip which all externally (laterally) rotate the femur in the hip joint. It consists of the following muscles: piriformis, gemellus superior, obturator internus, gemellus inferior, quadratus femoris and the obturator externus. [1]
The gemelli muscles are the inferior gemellus muscle and the superior gemellus muscle, two small accessory fasciculi to the tendon of the internal obturator muscle.The gemelli muscles belong to the lateral rotator group of six muscles of the hip that rotate the femur in the hip joint.
The position of the lesser trochanter close to the head of the femur is one of the defining characteristics of the Prozostrodontia, which is the clade of cynodonts including mammals and their closest non-mammaliform relatives.
The psoas is the primary hip flexor, assisted by the iliacus. The pectineus, the adductors longus, brevis, and magnus, as well as the tensor fasciae latae are also involved in flexion. The gluteus maximus is the main hip extensor, but the inferior portion of the adductor magnus also plays a role. The adductor group is responsible for hip adduction.
In vertebrate anatomy, the hip, or coxa [1] (pl.: coxae) in medical terminology, refers to either an anatomical region or a joint on the outer (lateral) side of the pelvis.. The hip region is located lateral and anterior to the gluteal region, inferior to the iliac crest, and lateral to the obturator foramen, with muscle tendons and soft tissues overlying the greater trochanter of the femur. [2]
As the hip flexes, the tension in the ligament is reduced and the amount of possible rotations in the hip joint is increased, which permits the pelvis to tilt backwards into its sitting angle. Lateral rotation and adduction in the hip joint is controlled by the strong transversal part, while the descending part limits medial rotation. [4]
The ischiofemoral ligament limits the internal rotation and adduction of the hip when it is in a flexed position. [3] Some deeper fibres of the ligament are continuous with the fibres of the zona orbicularis of the capsule. [4] This ligament is less well-defined than the other two capsular ligaments of the hip joint. [4]
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