Abstract
Altered patellar alignment is associated with anterior knee pain and multitude of conditions that affect the patellofemoral joint. The study aim was to report the incidence of patella altaand patella baja in indian population with anterior knee pain and to investigate whether the normal limits of the patellar height ratios are applicable in indian population.
Highlights
Anterior knee pain remains one of the commonest musculoskeletal complaint with patients, and evaluation of patellar height is done commonly as many conditions are associated with abnormal patellofemoral relationship
A high riding patella or patella alta is associated with patellofemoral malalignment and a reduced patellofemoral contact often leading to patellofemoral pain or instability [2,3]
A low riding patella or patella baja is often associated with limited knee range of motion, patellofemoral arthritis and Osgood Schlatter disease [4]
Summary
Anterior knee pain remains one of the commonest musculoskeletal complaint with patients, and evaluation of patellar height is done commonly as many conditions are associated with abnormal patellofemoral relationship. Numerous methods of patellar height have been described in the literature: Blumensaat [5] Insal-Salvati [6], modified Insal-Salvati [7], Blackburne-peel [8], Caton-Deschamps [9], DeCarvalho [7] and Koshino [10]. These ratios are based on the ratio of the patellar length to the reference point from the tibia. The study aim was to report the incidence of patella altaand patella baja in indian population with anterior knee pain and to investigate whether the normal limits of the patellar height ratios are applicable in indian population
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