{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T14:31:11Z","timestamp":1790519471476,"version":"4.1.0"},"reference-count":53,"publisher":"Wiley","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100008752","name":"German Sport University","doi-asserted-by":"crossref","award":["288940"],"award-info":[{"award-number":["288940"]}],"id":[{"id":"10.13039\/501100008752","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100004963","name":"Seventh Framework Programme","doi-asserted-by":"publisher","award":["288940"],"award-info":[{"award-number":["288940"]}],"id":[{"id":"10.13039\/501100004963","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p><jats:italic>Background<\/jats:italic>. Outcomes of laboratory-based tests for mobility are often used to infer about older adults\u2019 performance in real life; however, it is unclear whether such association exists. We hypothesized that mobility capacity, as measured in the laboratory, and mobility performance, as measured in real life, would be poorly linked.<jats:italic>Methods<\/jats:italic>. The sample consisted of 84 older adults (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mn fontstyle=\"italic\">72.5<\/mml:mn><mml:mo>\u00b1<\/mml:mo><mml:mn fontstyle=\"italic\">5.9<\/mml:mn><\/mml:math>years). Capacity was assessed via the iTUG and standard gait parameters (stride length, stride velocity, and cadence). Performance was assessed in real life over a period of<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mn fontstyle=\"italic\">6.95<\/mml:mn><mml:mo>\u00b1<\/mml:mo><mml:mn fontstyle=\"italic\">1.99<\/mml:mn><\/mml:math>days using smartphone technology to calculate following parameters: active and gait time, number of steps, life-space, mean action-range, and maximum action-range. Correlation analyses and stepwise multiple regression analyses were applied.<jats:italic>Results<\/jats:italic>. All laboratory measures demonstrated significant associations with the real-life measures (between<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mo>.<\/mml:mo><mml:mn fontstyle=\"italic\">229<\/mml:mn><\/mml:math>and<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M4\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mo>.<\/mml:mo><mml:mn fontstyle=\"italic\">461<\/mml:mn><\/mml:math>). The multiple regression analyses indicated that the laboratory measures accounted for a significant but very low proportion of variance (between 5% and 21%) in real-life measures.<jats:italic>Conclusion<\/jats:italic>. In older adults without mobility impairments, capacity-related measures of mobility bear little significance for predicting real-life performance. Hence, other factors play a role in how older people manage their daily-life mobility. This should be considered for diagnosis and treatment of mobility deficits in older people.<\/jats:p>","DOI":"10.1155\/2016\/3261567","type":"journal-article","created":{"date-parts":[[2016,2,29]],"date-time":"2016-02-29T21:01:11Z","timestamp":1456779671000},"page":"1-8","source":"Crossref","is-referenced-by-count":96,"title":["Mobility in Old Age: Capacity Is Not Performance"],"prefix":"10.1155","volume":"2016","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7762-1348","authenticated-orcid":true,"given":"Eleftheria","family":"Giannouli","sequence":"first","affiliation":[{"name":"Institute of Movement and Sport Gerontology, German Sport University Cologne, Am Sportpark M\u00fcngersdorf 6, 50933 Cologne, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0485-6765","authenticated-orcid":true,"given":"Otmar","family":"Bock","sequence":"additional","affiliation":[{"name":"Institute of Physiology and Anatomy, German Sport University 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