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Document Title: Witvrouw-AJSM-Sep00
Article Title: Open-
versus closed-kinetic-chain exercises for patellofemoral pain: A prospective,
randomized study
Authors: Erik Witvrouw, Roeland Lysens, Johan Bellemans, Koen Peers, Guy Vanderstraeten.
Publication: The American Journal of Sports Medicine
ISSN: 03635465
Date: September-October 2000.
(Figures included. Reference-denoting numbers appear in the same point size as document text.)
Volume: 28
Issue: 5
Pages: 687-694
Key Words: Knee, patellofemoral pain, physiotherapy.
ABSTRACT
The goal
of this prospective study was to evaluate the efficacy of open versus closed
kinetic chain exercises in the nonoperative management of patellofemoral pain.
Sixty patients were randomized into a 5-week program that consisted of only
closed kinetic chain exercises or only open kinetic chain exercises. Muscle
characteristics, subjective symptoms, and functional performance were evaluated
in this study at the time of the initial physical examination, at the end of
the treatment period, and 3 months later. Both groups experienced a
statistically significant decrease in pain and an increase in functional
performance. This study shows that both open and closed kinetic chain exercise
programs lead to an improved subjective and clinical outcome in patients with
anterior knee pain. The few significantly better functional results for some of
the tested parameters in the closed kinetic chain group suggest that this type
of treatment is a little more effective than the open kinetic chain program in
the treatment of these patients.
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