Patellofemoral Arthritis - OrthoInfo - AAOS
网页The patella is a small bone located in front of the knee joint — where the thighbone (femur) and shinbone (tibia) meet. It protects your knee and connects the muscles in the front of your thigh to your tibia. The patella rests in a groove on …
Tibial tuberosity to trochlear groove distance (TT-TG distance)
网页2023年10月20日 · The tibial tuberosity to trochlear groove (TT-TG) distance is used to guide the treatment of patellofemoral instability. It can be accurately measured on both CT and MRI although MRI measurements are consistently shorter 6.
Trochlear dysplasia | Radiology Reference Article | Radiopaedia.org
网页2024年1月27日 · Trochlear dysplasia is a predisposing factor of patellofemoral instability and should be only treated in that context. The treatment of high-grade trochlear dysplasia is trochleoplasty, which aims at correcting the trochlear depth abnormality by recreating a centralized groove, which facilitates the entry of the patella during early knee flexion.
Patellar Instability: Diagnosis, Treatment & Prevention
网页When you bend and straighten your knee, the kneecap moves up and down in a V-shaped notch called the trochlear groove. With patellar instability, the kneecap doesn’t track in the groove the way it should.
Trochlear groove - KNEEguru
网页The trochlear groove is the concave surface where the patella (kneecap) makes contact with the femur (thighbone). Also called the 'trochlea'. Page updated March 2024 by Dr Sheila Strover (Clinical Editor)
Understanding the groove under the kneecap - KNEEguru
网页This is called the 'trochlear' groove. The illustration on the left is an oblique view, and the one on the right is from the front. We have removed bits of the anatomy in each to make things simple to visualise.
Patellofemoral Pain Syndrome - OrthoInfo - AAOS
网页Problems with the alignment of the legs between the hips and the ankles, which may result in a kneecap that shifts too far toward the outside or inside of the leg, or one that rides too high in the trochlear groove — a condition called patella alta.
Patellofemoral Joint - Physiopedia
网页Intercondylar groove. The patella articulates with the intercondylar groove (trochlear groove). The intercondylar groove lateral facet is more prominent anteriorly and steeper than the medial facet to help stabilize the patella against excessive lateral pull.
Patellar Instability — Kneecap Dislocation or Subluxation
网页Patellar instability (chronic kneecap subluxation or kneecap dislocation) happens when the kneecap slips out of the trochlear groove. It is treated by Froedtert & MCW Limb orthopaedic specialists.
Patellofemoral Instability| Kneecap & Knee Joint Problems
网页In a normal knee, the tendon that connects the patella to the tibia maintains a force that is in line with the patella, (tracking in alignment with the trochlear groove). Orthopedists use an index called the TT-TG (tibial tuberosity trochlear groove) to measure the degree of malalignment present and guide treatment recommendations.