Quadriceps femoris muscle function prior and after total knee arthroplasty in women with knee osteoarthritis

Purpose The aim of the present study was to evaluate an isometric voluntary force generation and relaxation capacity of the quadriceps femoris (QF) muscle prior and after total knee arthroplasty (TKA). Methods Isometric maximal voluntary contraction force, rate of force development, voluntary activa...

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Bibliographic Details
Published in:Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA sports traumatology, arthroscopy : official journal of the ESSKA, 2012-10, Vol.20 (10), p.2017-2025
Main Authors: Vahtrik, Doris, Gapeyeva, Helena, Aibast, Herje, Ereline, Jaan, Kums, Tatjana, Haviko, Tiit, Märtson, Aare, Schneider, Galina, Pääsuke, Mati
Format: Article
Language:English
Subjects:
Aged
Arthritis
Arthroplasty, Replacement, Knee - rehabilitation
Biomechanical Phenomena
Female
Follow-Up Studies
Force
Humans
Isometrics
Joint replacement surgery
Knee
Knees
Legs
Medicine
Medicine & Public Health
Middle Aged
Muscle Contraction
Muscle function
Muscle Strength
Muscles (activity)
Muscles (contractions)
Orthopedics
Osteoarthritis
Osteoarthritis, Knee - physiopathology
Osteoarthritis, Knee - surgery
Pain
Prospective Studies
Quadriceps Muscle - physiopathology
Relaxation
Surgery
Treatment Outcome
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Summary:Purpose The aim of the present study was to evaluate an isometric voluntary force generation and relaxation capacity of the quadriceps femoris (QF) muscle prior and after total knee arthroplasty (TKA). Methods Isometric maximal voluntary contraction force, rate of force development, voluntary activation, half-relaxation time, and latency of contraction of the QF muscle were recorded in 12 female patients (aged 49–68 years) with knee osteoarthritis one day before, 3 and 6 months following TKA in the operated and nonoperated leg. Knee pain intensity was assessed by visual analog scale, and Knee injury and Osteoarthritis Outcome Score (KOOS) questionnaire was used to assess knee problems during daily living. Results A significant decrease in knee pain and significant increase in KOOS were established after TKA. Maximal voluntary isometric force in the operated leg was lower ( P  
ISSN:0942-2056
1433-7347
DOI:10.1007/s00167-011-1808-2