![]() ![]() Medical emergency care- individuals who sustain an acetabular fracture are usually transported to a hospital ER to control the severe pain and injury, especially if the mechanism of injury involved high impact trauma. Pain that is spread throughout the groin and leg on the side of the acetabular fracture.Numbness or tingling- Adjacent nerves can be injured due to an acetabular fracture which can result in abnormal sensation in regions of the hip/pelvis and lower extremity.This can cause muscle weakness in the muscles that the damaged nerves innervate. Weakness- Sometimes, nerves in the region of an acetabular fracture can be injured by fractured bone, pinched by bone, or stretched during the injury.The pain also may worsen with hip movement. Hip pain- A high amount of pain is present in the affected hip of an acetabular fracture.What are the Symptoms of an Acetabular Fracture (Hip Socket Fracture)? These fractures may be caused by falls from lower heights or other lower impact traumatic episodes. ![]() Less common causes of acetabular fractures may involve weak bones, as in the elderly and osteoporotic population. Other structures surrounding the hip joint may also be injured in an event of an acetabular fracture, including: The smooth cartilage that lines the femoral head and the acetabulum may also be injured during the fracture. Falls from greater heights and motor vehicle accidents are high impact events that can cause acetabular fractures. Acetabular fractures are usually caused by high velocity trauma to the hip. In an acetabular fracture, an outside force causes the head of the femur(“ball”) to collide into the acetabulum(“socket”) thus breaking the bone of the acetabulum. Acetabular fractures occur less commonly than other hip fractures such as femoral head fractures or femoral neck fractures of the hip.Ĭlick here to learn more about the Anatomy of the Hip.Īcetabulum Socket How do Acetabular Fractures (Broken Hip Socket) Happen? The “ball” of the hip joint is represented by the spherical, upper end of the femur or thigh bone, also known as the femoral head. The acetabulum is the round, cup-shaped concavity that is located on the outer side of the pelvis and makes up the “socket” of the hip joint. The hip joint is a type of “ball and socket” joint. The posterior column is composed of the greater and lesser sciatic notches, posterior wall and dome of the acetabulum, and ischial tuberosity.A fracture of the acetabulum is a fracture in the socket of the hip. The anterior column is composed of the anterior ilium, anterior wall and dome of the acetabulum, and superior pubic ramus. ![]() The column principle divides the acetabulum into the anterior and posterior columns and becomes important when considering acetabular fractures and their management. The lip-shaped acetabular labrum is a fibrocartilaginous structure attached to the margin of the acetabulum, increasing the acetabular articular area. As a result, more than half of the femoral head fits within the acetabulum. The bone on the inner surface of the pelvis deep to the acetabular fossa is termed the quadrilateral plate and has clinical importance in classifying acetabular fractures. The acetabular fossa extends superiorly from the acetabular notch. This depression is bridged with the transverse ligament of the hip, completing the circle and creating the acetabular foramen. The acetabular floor has a rough depression called the acetabular fossa that hosts the ligamentum teres. The acetabular margin forms three quarters of a circle with a deficiency located anteroinferiorly called the acetabular notch. The fusion is complete between 20 and 25 years of age 1. The three bones are initially separated by a Y-shaped triradiate cartilage that begins to fuse after puberty. Gross anatomyĪll three bones of the pelvis (the ilium, ischium, and pubis) together form the acetabulum. The acetabulum (plural: acetabula) is the large cup-shaped cavity on the anterolateral aspect of the pelvis that articulates with the femoral head to form the hip joint. ![]()
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