h e i n f l u e n c e o f k n e e o r t h o t i c s o n t h ep r e s s u r e d i s t r i b u t i o n o f t h e p a t e l l o - f e m o r a l j o i n t

Czech version

Authors: H. Tvrdíková; M. Chalupová
Authors‘ workplace: ved. katedry: doc. ing. Stanislav Otáhal, CSc. ; Katedra anatomie a biomechaniky, Fakulta tělesné výchovy a sportu Univerzity Karlovy, Praha
Published in: Rehabil. fyz. Lék., , 2000, No. 1, pp. 6-10.
Category:

Overview

Article is dealing with an incerease of patelofemoral force as a result of reaction of the knee braceon the patella. It tries to respond to the question how much the reaction of knee brace increases thestress in patello-femoral joint during ordinary locomotional movements. It also deals with the essenceof patellar opening in the knee brace which is supposed to decrease the force on patella.Four serially produced braces determinated for involvement of patelofemoral joint compactnessavailable on our market were compared.Magnitude of the reaction between brace and patela was scanned by a sensor from conductingelastical material in four positions during walking in range from 0 to 50 degrees.Realization of the experiment brought these results:– with growing flexion of the knee joint increases the force on patella;– measurement did not certify big differences of the reaction in relation to material or constructionof the brace;– forces arisen by an aplication of the knee brace reacting like additional load with patello-femoraljoint are negligible in comparison with the force of patello-femoral joint. Therefore it is not necessaryto require the patellar opening on judged type of braces.

Key words:
patell-ofemoral joint, patello-femoral force, knee brace

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Physiotherapist, university degree Rehabilitation Sports medicine

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Article was published in

Rehabilitation and Physical Medicine

2000 Issue 1