{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T13:55:32Z","timestamp":1791122132052,"version":"4.1.0"},"reference-count":18,"publisher":"Oxford University Press (OUP)","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2011,12,1]]},"DOI":"10.2522\/ptj.20100387","type":"journal-article","created":{"date-parts":[[2011,10,15]],"date-time":"2011-10-15T02:57:45Z","timestamp":1318647465000},"page":"1857-1864","source":"Crossref","is-referenced-by-count":34,"title":["Challenging Gait Conditions Predict 1-Year Decline in Gait Speed in Older Adults With Apparently Normal Gait"],"prefix":"10.1093","volume":"91","author":[{"given":"Jennifer S.","family":"Brach","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Subashan","family":"Perera","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessie M.","family":"VanSwearingen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizabeth S.","family":"Hile","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David M.","family":"Wert","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephanie A.","family":"Studenski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","reference":[{"key":"key\n\t\t\t\t20170525011218_B1","doi-asserted-by":"crossref","first-page":"M221","DOI":"10.1093\/gerona\/55.4.M221","article-title":"Lower extremity function and subsequent disability: consistency across studies, predictive models, and value of gait speed alone compared with the short physical performance battery","volume":"55","year":"2000","journal-title":"J Gerontol A Biol Sci Med Sci"},{"key":"key\n\t\t\t\t20170525011218_B2","doi-asserted-by":"crossref","first-page":"M85","DOI":"10.1093\/geronj\/49.2.M85","article-title":"A short physical performance battery assessing lower extremity function: association with self-reported disability and prediction of mortality and nursing home admission","volume":"49","year":"1994","journal-title":"J Gerontol"},{"key":"key\n\t\t\t\t20170525011218_B3","doi-asserted-by":"crossref","first-page":"556","DOI":"10.1056\/NEJM199503023320902","article-title":"Lower extremity function in persons over the age of 70 years as a predictor of subsequent disability","volume":"332","year":"1995","journal-title":"N Engl J Med"},{"key":"key\n\t\t\t\t20170525011218_B4","doi-asserted-by":"crossref","first-page":"1675","DOI":"10.1111\/j.1532-5415.2005.53501.x","article-title":"Prognostic value of usual gait speed in well-functioning older people: results from the Health, Aging and Body Composition Study","volume":"53","year":"2005","journal-title":"J Am Geriatr Soc"},{"key":"key\n\t\t\t\t20170525011218_B5","doi-asserted-by":"crossref","first-page":"M43","DOI":"10.1093\/gerona\/55.1.M43","article-title":"Preclinical mobility disability predicts incident mobility disability in older women","volume":"55","year":"2000","journal-title":"J Gerontol A Biol Sci Med Sci"},{"key":"key\n\t\t\t\t20170525011218_B6","doi-asserted-by":"crossref","first-page":"986","DOI":"10.1097\/01.phm.0000233210.69400.d4","article-title":"Adding challenge to performance-based tests of walking: the Walking InCHIANTI Toolkit (WIT)","volume":"85","year":"2006","journal-title":"Am J Phys Med Rehabil"},{"key":"key\n\t\t\t\t20170525011218_B7","doi-asserted-by":"crossref","first-page":"58","DOI":"10.1111\/j.1532-5415.2006.00962.x","article-title":"Age-associated declines in complex walking task performance: the Walking InCHIANTI Toolkit","volume":"55","year":"2007","journal-title":"J Am Geriatr Soc"},{"key":"key\n\t\t\t\t20170525011218_B8","doi-asserted-by":"crossref","first-page":"89","DOI":"10.2522\/ptj.20080121","article-title":"Walking skill can be assessed in older adults: validity of the Figure-of-8 Walk Test","volume":"90","year":"2010","journal-title":"Phys Ther"},{"key":"key\n\t\t\t\t20170525011218_B9","doi-asserted-by":"crossref","first-page":"1572","DOI":"10.1046\/j.1532-5415.2002.50415.x","article-title":"Validity of divided attention tasks in predicting falls in older individuals: a preliminary study","volume":"50","year":"2002","journal-title":"J Am Geriatr Soc"},{"key":"key\n\t\t\t\t20170525011218_B10","doi-asserted-by":"crossref","first-page":"1532","DOI":"10.1111\/j.1532-5415.2004.52418.x","article-title":"A comparison of gait characteristics between older women with and without peripheral neuropathy in standard and challenging environments","volume":"52","year":"2004","journal-title":"J Am Geriatr Soc"},{"key":"key\n\t\t\t\t20170525011218_B11","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1097\/PHM.0b013e31802ee1d1","article-title":"Falls and gait characteristics among older persons with peripheral neuropathy","volume":"86","year":"2007","journal-title":"Am J Phys Med Rehabil"},{"key":"key\n\t\t\t\t20170525011218_B12","doi-asserted-by":"crossref","first-page":"786","DOI":"10.1111\/j.1468-1331.2009.02612.x","article-title":"Stops walking when talking: a predictor of falls in older adults?","volume":"16","year":"2009","journal-title":"Eur J Neurol"},{"key":"key\n\t\t\t\t20170525011218_B13","doi-asserted-by":"crossref","first-page":"743","DOI":"10.1111\/j.1532-5415.2006.00701.x","article-title":"Meaningful change and responsiveness in common physical performance measures in older adults","volume":"54","year":"2006","journal-title":"J Am Geriatr Soc"},{"key":"key\n\t\t\t\t20170525011218_B14","doi-asserted-by":"crossref","first-page":"420","DOI":"10.1191\/0269215502cr515oa","article-title":"Comorbidity adjustments for functional outcomes in community-dwelling older adults","volume":"16","year":"2002","journal-title":"Clin Rehabil"},{"key":"key\n\t\t\t\t20170525011218_B15","doi-asserted-by":"crossref","first-page":"1618","DOI":"10.1111\/j.1532-5415.2000.tb03873.x","article-title":"Subsystems contributing to the decline in ability to walk: bridging the gap between epidemiology and geriatric practice in the InCHIANTI study","volume":"48","year":"2000","journal-title":"J Am Geriatr Soc"},{"key":"key\n\t\t\t\t20170525011218_B16","doi-asserted-by":"crossref","first-page":"B115","DOI":"10.1093\/gerona\/57.3.B115","article-title":"Dynamics of stability: the physiologic basis of functional health and frailty","volume":"57","year":"2002","journal-title":"J Gerontol A Biol Sci Med Sci"},{"key":"key\n\t\t\t\t20170525011218_B17","first-page":"pe16","article-title":"Physiological complexity, aging, and the path to frailty","volume":"2004","year":"2004","journal-title":"Sci Aging Knowl Environ"},{"key":"key\n\t\t\t\t20170525011218_B18","first-page":"S17","article-title":"The magnitude of meaningful change in four mobility-related performance tests:effects of initial performance (Health ABC Study)","volume":"55","year":"2007","journal-title":"J Am Geriatr Soc"}],"container-title":["Physical Therapy"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/ptj\/article-pdf\/91\/12\/1857\/17503531\/ptj1857.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,8,25]],"date-time":"2017-08-25T03:19:54Z","timestamp":1503631194000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/ptj\/article-lookup\/doi\/10.2522\/ptj.20100387"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,12,1]]},"references-count":18,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2011,12,1]]}},"URL":"https:\/\/doi.org\/10.2522\/ptj.20100387","relation":{},"ISSN":["0031-9023","1538-6724"],"issn-type":[{"value":"0031-9023","type":"print"},{"value":"1538-6724","type":"electronic"}],"subject":[],"published":{"date-parts":[[2011,12,1]]}}}