In vivo movement analysis of the patella using a three-dimensional computer model
Open Access
- 1 June 2007
- journal article
- Published by British Editorial Society of Bone & Joint Surgery in The Journal of Bone and Joint Surgery. British volume
- Vol. 89-B (6), 752-760
- https://doi.org/10.1302/0301-620x.89b6.18515
Abstract
We used three-dimensional movement analysis by computer modelling of knee flexion from 0° to 50° in 14 knees in 12 patients with recurrent patellar dislocation and in 15 knees in ten normal control subjects to compare the in vivo three-dimensional movement of the patella. Flexion, tilt and spin of the patella were described in terms of rotation angles from 0°. The location of the patella and the tibial tubercle were evaluated using parameters expressed as percentage patellar shift and percentage tubercle shift. Patellar inclination to the femur was also measured and patellofemoral contact was qualitatively and quantitatively analysed.Keywords
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