Efficacy of Blood Flow-Restricted Low-Load Resistance Training For Quadriceps Strengthening in Men at Risk of Symptomatic Knee Osteoarthritis

Geriatric Orthopaedic Surgery & Rehabilitation
Neil A SegalAlan E Mikesky

Abstract

Greater quadriceps strength has been associated with lower risk of symptomatic knee osteoarthritis (OA) in older adults. However, factors that confer elevated risk of knee OA (eg, sedentary lifestyle, obesity, and knee injury) also contribute to a reduced tolerance of resistance training programs at ≥60% 1-repetition maximum (1RM). Therefore, the current study assessed whether concurrent application of blood flow restriction (BFR) to low-load resistance training is an efficacious and tolerable means of improving quadriceps strength in men at risk of symptomatic knee OA. Men older than age 45, with a history of knee injury or elevated body mass index (BMI), were randomized to low-load resistance training (30% 1RM) either with or without concurrent BFR. Isotonic double-leg press strength and isokinetic knee extensor strength were assessed before and after 4 weeks of training 3 times/wk. Knee pain (Knee Osteoarthritis Outcome Score) was assessed for tolerance. Of the 42 men (mean age 56.1 ± 7.7 years) who were randomized, 41 completed the program. There were no significant intergroup differences in age, BMI, knee pathology, or muscle strength at baseline. Although leg press 1RM improved in both control and BFR groups, there were n...Continue Reading

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Citations

Mar 6, 2017·British Journal of Sports Medicine·Luke HughesStephen David Patterson
Oct 28, 2019·Journal of Clinical Medicine·David RicePatrick Finan
Apr 21, 2020·Journal of Back and Musculoskeletal Rehabilitation·Joachim Van CantJean-François Esculier
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Mar 18, 2021·American Journal of Physical Medicine & Rehabilitation·Shuoqi LiMohammed Rafiq Abdul Kadir
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Aug 16, 2021·Journal of Bodywork and Movement Therapies·Alexios PitsillidesIoannis Mamais
Sep 18, 2021·International Journal of Sports Medicine·Pierre SinclairBruce Paton

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Clinical Trials Mentioned

NCT01487525

Software Mentioned

SAS
Biodex medical system

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