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It is the ratio of the length of the patella to the length of the patellar tendon. Typically, this ratio is 1:1 but 20% variation represents patella alta or patella infera. Actually, the Insall-Salvati ratio can be measured at any degree of flexion, which is one reason for its popularity. [1]
Insall-Salvati ratio (A divided by B). [6] The Insall-Salvati ratio helps to indicate patella baja on lateral X-rays, and is calculated as the patellar tendon length divided by the patellar bone length. An Insall-Salvati ratio of < 0.8 indicates patella baja. [6]
Patellar tendon rupture can usually be diagnosed by physical examination. The most common signs are: tenderness, the tendon's loss of tone, loss of ability to raise the straight leg and observation of the high-riding patella. Radiographically, patella alta can be detected using the Insall and Salvati method when the patella is shorter than its ...
Bipartite patella is a condition where the patella, or kneecap, is composed of two separate bones.Instead of fusing together as normally occurs in early childhood, the bones of the patella remain separated. [1]
A patella fracture is a break of the kneecap. [1] Symptoms include pain, swelling, and bruising to the front of the knee. [1] A person may also be unable to walk. [1] ...
Insall Burstein prosthesis : for total knee replacement [22] Richard N.W. Wohns interspinous implant and implantation instrument intended to be implanted between two adjacent dorsal spines [23] Kirschner wire for fixation of small bones [24] Kuntscher nail for fracture of the shaft of the femur [25] Luque rod: for fixation of the spine [26]
A tibial plateau fracture is a break of the upper part of the tibia (shinbone) that involves the knee joint. [1] This could involve the medial, lateral, central, or bicondylar (medial and lateral). [3]
Multiple epiphyseal dysplasia (MED), also known as Fairbank's disease, is a rare genetic disorder (dominant form: 1 in 10,000 births) that affects the growing ends of bones.