WebSep 18, 2024 · Patellar instability, by definition, is a condition where the patella bone pathologically disarticulates out from the patellofemoral joint, either subluxation or complete dislocation. ... Must be measured on axial images - it is calculated by taking a line on axial CT perpendicular to the posterior femoral condyles through the trochlear notch ... WebThe patella is located within the extensor apparatus of the knee. Anatomical features include the proximal articular body, with an extraarticular anterior surface and a posterior …
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WebOct 10, 2024 · Patella alta is defined by a modified Insall-Salvati index greater than 2. 6 Tibial tuberosity-trochlear groove (TT-TG) distance is measured on axial images and represents lateralization of the patella in relation to the insertion of the patella tendon at the tibial tuberosity. The trochlear groove is the deepest cartilaginous point of the most ... WebJul 1, 2010 · (A) Axial image of the patella with T2 mapping represented by the scale of colors, demonstrating cartilage with homogenous normal T2 times (around 20 msec), thus indicating normal cartilage. (B) Note an increase in the T2 times (around 40-50 msec), demonstrated by the color map (arrows) and distributed heterogenously, and more … diminished 7 interval
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WebChondromalacia patella often occurs when the undersurface of the kneecap comes in contact with the thigh bone causing swelling and pain. Abnormal knee cap positioning, tightness or weakness of the muscles associated with the knee, too much activity involving the knee, and flat feet may increase the likelihood of chondromalacia patella. WebJan 10, 2024 · The patellofemoral joint is where the back of your patella (kneecap) and femur (thigh bone) meet at the front of your knee. It's involved in climbing, walking on an incline, and several other knee … WebA 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 … for times of trouble jeffrey holland