The association between antagonist hamstring coactivation and episodes of knee joint shifting and buckling

Osteoarthritis and Cartilage
Neil A SegalMOST Investigative Group

Abstract

Hamstring coactivation during quadriceps activation is necessary to counteract the quadriceps pull on the tibia, but coactivation can be elevated with symptomatic knee osteoarthritis (OA). To guide rehabilitation to attenuate risk for mobility limitations and falls, this study evaluated whether higher antagonistic open kinetic chain hamstring coactivation is associated with knee joint buckling (sudden loss of support) and shifting (a sensation that the knee might give way). At baseline, median hamstring coactivation was assessed during maximal isokinetic knee extensor strength testing and at baseline and 24-month follow-up, knee buckling and shifting was self-reported. Associations between tertiles of co-activation and knee (1) buckling, (2) shifting and (3) either buckling or shifting were assessed using logistic regression, adjusted for age, sex, knee OA and pain. 1826 participants (1089 women) were included. Mean ± SD age was 61.7 ± 7.7 years, BMI was 30.3 ± 5.5 kg/m(2) and 38.2% of knees had OA. There were no consistent statistically significant associations between hamstring coactivation and ipsilateral prevalent or incident buckling or the combination of buckling and shifting. The odds ratios for incident shifting in the ...Continue Reading

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Citations

Sep 17, 2014·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Jacques Duchateau, Stéphane Baudry
Nov 16, 2017·Journal of Sport Rehabilitation·Hyunjae JeonAdam B Rosen
Oct 5, 2019·PM & R : the Journal of Injury, Function, and Rehabilitation·Jason-Flor SisanteUNKNOWN Multicenter Osteoarthritis Study (MOST) Group
Jun 26, 2020·Osteoarthritis and Cartilage·J J StefanikT Neogi

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