Physical Function in Older Men with Hyperkyphosis

Wendy B. Katzman, Stephanie L. Harrison, Howard A. Fink, Lynn Marshall, Eric Orwoll, Elizabeth Barrett-Connor, Peggy M. Cawthon, Deborah M. Kado

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Background. Age-related hyperkyphosis has been associated with poor physical function and is a well-established predictor of adverse health outcomes in older women, but its impact on health in older men is less well understood. Methods. We conducted a cross-sectional study to evaluate the association of hyperkyphosis and physical function in 2,363 men, aged 71-98 (M = 79) from the Osteoporotic Fractures in Men Study. Kyphosis was measured using the Rancho Bernardo Study block method. Measurements of grip strength and lower extremity function, including gait speed over 6 m, narrow walk (measure of dynamic balance), repeated chair stands ability and time, and lower extremity power (Nottingham Power Rig) were included separately as primary outcomes. We investigated associations of kyphosis and each outcome in age-adjusted and multivariable linear or logistic regression models, controlling for age, clinic, education, race, bone mineral density, height, weight, diabetes, and physical activity. Results. In multivariate linear regression, we observed a dose-related response of worse scores on each lower extremity physical function test as number of blocks increased, p for trend ≤.001. Using a cutoff of ≥4 blocks, 20% (N = 469) of men were characterized with hyperkyphosis. In multivariate logistic regression, men with hyperkyphosis had increased odds (range 1.5-1.8) of being in the worst quartile of performing lower extremity physical function tasks (p

Original languageEnglish (US)
Pages (from-to)635-640
Number of pages6
JournalJournals of Gerontology - Series A Biological Sciences and Medical Sciences
Volume70
Issue number5
DOIs
StatePublished - May 1 2015

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Lower Extremity
Kyphosis
Logistic Models
Linear Models
Osteoporotic Fractures
Health
Hand Strength
Bone Density
Cross-Sectional Studies
Exercise
Education
Weights and Measures

Keywords

  • Hyperkyphosis
  • Kyphosis
  • Normative aging
  • Physical function
  • Physical performance

ASJC Scopus subject areas

  • Aging
  • Geriatrics and Gerontology

Cite this

Physical Function in Older Men with Hyperkyphosis. / Katzman, Wendy B.; Harrison, Stephanie L.; Fink, Howard A.; Marshall, Lynn; Orwoll, Eric; Barrett-Connor, Elizabeth; Cawthon, Peggy M.; Kado, Deborah M.

In: Journals of Gerontology - Series A Biological Sciences and Medical Sciences, Vol. 70, No. 5, 01.05.2015, p. 635-640.

Research output: Contribution to journalArticle

Katzman, Wendy B. ; Harrison, Stephanie L. ; Fink, Howard A. ; Marshall, Lynn ; Orwoll, Eric ; Barrett-Connor, Elizabeth ; Cawthon, Peggy M. ; Kado, Deborah M. / Physical Function in Older Men with Hyperkyphosis. In: Journals of Gerontology - Series A Biological Sciences and Medical Sciences. 2015 ; Vol. 70, No. 5. pp. 635-640.
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