AI Article Synopsis
- A study measured the distance (P) between the upper and lower edges of the patella and the distance (T) from the lower edge to the tibial plateau in 150 normal subjects' knees at 30 degrees of flexion.
- The results indicated that the T/P ratio, which assesses patellar positioning, has a 5% upper limit of normality set at 1.11.
- This new measurement method is both accurate and simpler compared to previous techniques for evaluating patellar position.
Article Abstract
In 150 normal subjects the distance (P) between the upper and lower limits of the articular surface of the patella, and the shortest distance (T) between this same lower limit and the tibial plateau, were measured in standard lateral views of the knee in about 30 degrees of flexion. The limits of confidence of the T/P ratio are shown in the Table. The 5% upper limit of normality of this ratio is 1.11 (one-sided). This method of determining the position of the patella is accurate and more simple than those previously described.
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| http://dx.doi.org/10.1007/BF00268170 | DOI Listing |
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