2023年5月11日 · What is a Patella dislocation? A dislocated patella occurs when the patella displaces outside of its normal position. This usually happens laterally (to the outside). The patella or kneecap lies in front of the knee joint. It glides up and down a groove called the patellofemoral groove as the knee bends.

2021年8月3日 · A patella dislocation occurs when the knee cap pops sideways out of its vertical groove at the knee joint. It’s usually caused by force, from a collision, a fall or a bad step. A dislocated patella is painful and will prevent you from walking, but it’s easy to correct and sometimes corrects itself.

A patella dislocation, also known as a dislocated kneecap, is a condition in which the patella (kneecap) becomes dislodged from its normal position. This can occur due to a traumatic injury, such as a fall or car accident, or due to overuse of the knee joint.

A patellar dislocation occurs by a lateral shift of the patella, leaving the trochlea groove of the femoral condyle. This mostly occurs as a disruption of the medial patellofemoral ligament. [1] The patellofemoral joint makes part of the knee joint. The articular surfaces consist of the patella and the trochlear surface of the femoral condyles.

2023年7月6日 · The most common location of patella dislocations is lateral dislocation. Patients complain of the knee suddenly giving way, and inability to weight-bear or extend the knee and are often in considerable pain.

A patellar dislocation is a knee injury in which the patella (kneecap) slips out of its normal position. [5] . Often the knee is partly bent, painful and swollen. [1][2] The patella is also often felt and seen out of place. [1] . Complications may include a patella fracture or arthritis. [3]

2023年6月26日 · Typically, that "something" is a partial or full dislocation, which means the kneecap, also known as the patella, has slipped partly or all the way out of its groove over the knee joint.

Patellar (kneecap) dislocations occur with significant regularity, especially in younger athletes, with most of the dislocations occurring laterally (outside). When these happen, they are associated with significant pain and swelling. Following a patellar dislocation, the first step must be to relocate the kneecap into the trochlear groove.

2020年12月21日 · A patellar dislocation, also known as a patella dislocation, occurs when the patella, or the kneecap, slips out of its normal position. The patella typically rests in a groove, known as the trochlear groove at the end of the thigh bone .

Symptoms of a patella dislocation may include sudden pain, swelling, and buckling or instability of the knee joint. You may hear an audible pop when it occurs or be able to see that the kneecap is out of place. It may feel as if your knee is locked or as if you can't bend or straighten your leg.