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Journal article
Hip Abductor Weakness and Its Association With New or Worsened Knee Pain: Data From the Multicenter Osteoarthritis Study
Arthritis care & research (2010), v 75(11), pp 2328-2335
Nov 2023
PMID: 37221156
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Hip abductors, important for controlling pelvic and femoral orientation during gait, may affect knee pain. Our objective was to evaluate the relation of hip abductor strength to worsened or new-onset frequent knee pain. Given previously noted associations of knee extensor strength with osteoarthritis in women, we performed sex-specific analyses.
We used data from the Multicenter Osteoarthritis study. Hip abductor and knee extensor strength was measured. Knee pain was assessed using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) questionnaire and a question about frequent knee pain at baseline (144-month visit), and 8, 16, and 24 months thereafter. Knee pain outcomes were worsened knee pain (2-point increase in WOMAC pain) and incident frequent knee pain (answering yes to the frequent knee pain question among those without frequent knee pain at baseline). Leg-specific analyses tested hip abductor strength as a risk factor for worsened and new frequent knee pain, adjusting for potential covariates. Additionally, we stratified by knee extensor strength (high versus low).
Among women, compared to the highest quartile of hip abductor strength, the lowest quartile had 1.7 (95% confidence interval [95% CI] 1.1-2.6) times the odds of worsened knee pain; significant associations were limited to women with high knee extensor strength (odds ratio 2.0 [95% CI 1.1-3.5]). We found no relation of abductor strength to worsening knee pain in men or with incident frequent knee pain in men or women.
Hip abductor weakness was associated with worsening knee pain in women with strong knee extensors, but not with incident frequent knee pain in men or women. Knee extensor strength may be necessary, but not sufficient, to prevent pain worsening.
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Details
- Title
- Hip Abductor Weakness and Its Association With New or Worsened Knee Pain: Data From the Multicenter Osteoarthritis Study
- Creators
- Cara L Lewis (Corresponding Author) - Boston UniversityNeil A Segal - University of IowaGabriela V Rabasa - Boston UniversityMichael P LaValley - Boston UniversityGlenn N Williams - Drexel University, Health Sciences DivisionMichael C Nevitt - University of California San Francisco, San FranciscoCora E Lewis - University of Alabama at BirminghamDavid T Felson - Boston University, Boston, MassachusettsJoshua J Stefanik - Northeastern University
- Publication Details
- Arthritis care & research (2010), v 75(11), pp 2328-2335
- Number of pages
- 8
- Grant note
- U01 AG018832 / NIA NIH HHS U01 AG018947 / NIA NIH HHS P30 AR072571 / NIAMS NIH HHS U01 AG019069 / NIA NIH HHS K23-AR-070913 / NIH HHS K23 AR063235 / NIAMS NIH HHS AG-18820 / NIH HHS K23-AR-063235 / NIH HHS AG-19069 / NIH HHS K23 AR070913 / NIAMS NIH HHS
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Health Sciences Division
- Web of Science ID
- WOS:001014411800001
- Scopus ID
- 2-s2.0-85162711635
- Other Identifier
- 991021861298604721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Rheumatology