2025年3月9日 · Patella alta, or a high-riding patella, describes a situation where the position of the patella is considered high. It may be idiopathic or may result secondary to a patellar tendon rupture. Several conditions are known to be associated with patella alta, including: Patella alta may also occur as a result of spastic cerebral palsy 6.

Patella Alta, aka high riding patella, is where the kneecap sits higher than normal on the thigh bone. This makes the knee less stable and prone to dislocation and anterior knee pain. In most cases, individuals are born with patella alta, but it can also develop secondary to a knee injury such as rupture of the patellar tendon.

Patella alta is a positional fault defined most simply as the superior displacement of the patella within the trochlear groove of the femur. Patella alta has been shown to be associated with chondromalacia on the articular surface of the patella and pain.

2023年6月24日 · Patella alta, also known as 'high-riding patella,' is a knee condition characterized by an abnormally high position of the patella or kneecap in relation to the femur, the thigh bone. This condition may lead to discomfort, knee pain, instability, and an increased risk of patellar dislocation or patellar subluxation.

2024年9月13日 · Patella Alta, commonly referred to as a high-riding patella, is a condition in which the kneecap (patella) is positioned higher than its normal alignment in relation to the femur. As a result, the knee loses stability and becomes more vulnerable to …

2020年4月30日 · 髌骨滑车指数 (The patellotrochlear index，PTI)：通过髌股关节矢状面磁共振测量髌骨软骨面最高点至最低点的连线 (baselinePatella，BLP)长度，经股骨滑车软骨面的最高点向最低点所作的BLP的平行线 (length of trochlear cartilage，LT)，经髌骨软骨面最低点向LT做垂线LT起点到垂线的这一段距离称为BLT (baseline trochlea)，BLT与BLP之比值即为髌骨滑车指数。 髌骨滑车指数如果小于12.5%则为高位髌骨；如果大于50%则为低位髌骨。 PTI具有不受髌骨 …

Patella alta is described as abnormally high-riding patella in relation to the femur, the trochlear groove, or the tibia with decreased bony stability. Patella alta represents an important predisposing factor for patellofemoral instability. Different measurement methods are used to define patella alta.

studies suggested an ideal patellar height after surgery. Different procedures were used to treat patella alta: tibial tubercle distalization with and without patellar tendon tenodesis, tibial tubercle distalization and med.

2019年7月8日 · Patella alta is also known as ‘High Riding Patella’. It can also be described as unusual development of knee cap above and out of the joint. Know the causes, symptoms, treatment and diagnosis of Patella Alta.

Attenuated patella alta is an extremely rare condition affecting mobility and leg strength. It is characterized by an unusually small knee cap ( patella ) that develops out of and above the joint . Typically, as the knee cap sits in the joint, it is stimulated to growth by …