{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T12:59:42Z","timestamp":1788872382189,"version":"build-2803163510"},"reference-count":47,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2014,9,10]],"date-time":"2014-09-10T00:00:00Z","timestamp":1410307200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Swedish Research Council for Health"},{"name":"Working Life and Welfare"},{"name":"Swedish Association of Survivors of Traffic Accidents and Polio"},{"name":"ALF Skane and Skane County Council's Research and Development Foundation"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["PM&amp;R"],"published-print":{"date-parts":[[2015,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To examine the relationship between physical activity (assessed subjectively and objectively), knee muscle strength, gait performance, age, gender, and body mass index (BMI) in persons with late effects of polio.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Cross\u2010sectional.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>A university hospital outpatient clinic.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>Seventy\u2010seven community\u2010dwelling ambulant persons with late effects of polio (42 men and 35 women; mean age 67 years [standard deviation 6, range 54\u201080]).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main Outcome Measures<\/jats:title>\n                    <jats:p>Physical activity was described by the Physical Activity and Disability Survey and by a pedometer (number of steps\/day). Isokinetic concentric knee extensor and flexor muscle strength was measured at 60\u00b0\/s. Gait performance was assessed by the Timed \u201cUp and Go\u201d test, the Comfortable Gait Speed and Fast Gait Speed tests, and the 6\u2010Minute Walk test.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The Physical Activity and Disability Survey leisure subscale was significantly correlated with all knee muscle strength measurements (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .01), the Comfortable Gait Speed test (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .05), and the 6\u2010Minute Walk test (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .05), and the number of steps per day was significantly correlated with all knee muscle strength measurements and all gait performance tests (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .01). In the linear regression analyses, knee muscle strength and gait performance explained 1% to 8% of the variance in the leisure subscale, and when the personal attributes (age, gender, and BMI) were added, they explained up to 14% of the variance. Knee muscle strength explained 16% and gait performance explained 15% to 31% of the variance in the number of steps per day, and when personal attributes (age, gender, and BMI) were added, they contributed at most an additional 3% of the variance.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In ambulatory persons with late effects of polio, knee muscle strength and gait performance explain only a small portion of physical activity. Further studies are needed to increase our understanding of how other impairments, activity limitations, environmental factors, and personal factors are associated with physical activity in persons with late effects of polio.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.pmrj.2014.09.005","type":"journal-article","created":{"date-parts":[[2014,9,10]],"date-time":"2014-09-10T07:33:13Z","timestamp":1410334393000},"page":"236-244","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Relationship Between Physical Activity, Knee Muscle Strength, and Gait Performance in Persons With Late Effects of Polio"],"prefix":"10.1002","volume":"7","author":[{"given":"Cecilia","family":"Winberg","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ulla\u2010Britt","family":"Flansbjer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James H.","family":"Rimmer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Lexell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,9,10]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/PHM.0b013e3181c9fa9d"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1177\/014572170202800411"},{"key":"e_1_2_6_4_2","first-page":"1","article-title":"Correlates of physical activity for adults with disability","volume":"3","author":"Boslaugh S.","year":"2006","journal-title":"Prev Chronic Dis"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(12)60646-1"},{"key":"e_1_2_6_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.pmr.2009.12.006"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(12)61028-9"},{"key":"e_1_2_6_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(12)60735-1"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.4061\/2011\/708510"},{"key":"e_1_2_6_10_2","doi-asserted-by":"publisher","DOI":"10.1080\/09638280500493860"},{"key":"e_1_2_6_11_2","doi-asserted-by":"crossref","first-page":"845","DOI":"10.3928\/0147-7447-19850701-06","article-title":"New problems in old polio patients: Results of a survey of 539 polio survivors","volume":"8","author":"Halstead L.S.","year":"1985","journal-title":"Orthopedics"},{"key":"e_1_2_6_12_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.20259"},{"key":"e_1_2_6_13_2","doi-asserted-by":"publisher","DOI":"10.1080\/165019701300006461"},{"key":"e_1_2_6_14_2","doi-asserted-by":"publisher","DOI":"10.1002\/oti.1368"},{"key":"e_1_2_6_15_2","doi-asserted-by":"publisher","DOI":"10.1080\/09638280802638881"},{"key":"e_1_2_6_16_2","unstructured":"World Health Organization. International Classification of Functioning Disability and Health: ICF. Geneva World Health Organization; 2001."},{"key":"e_1_2_6_17_2","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1007\/s11482-010-9116-4","article-title":"Life satisfaction in persons with late effects of polio","volume":"6","author":"Lund M.L.","year":"2011","journal-title":"Appl Res Qual Life"},{"key":"e_1_2_6_18_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.rehab.2009.11.007"},{"key":"e_1_2_6_19_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.rehab.2012.08.006"},{"key":"e_1_2_6_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.dhjo.2012.04.003"},{"key":"e_1_2_6_21_2","first-page":"470648","article-title":"Mood and balance are associated with free\u2010living physical activity of people after stroke residing in the community","volume":"2012","author":"Alzahrani M.A.","year":"2012","journal-title":"Stroke Res Treat"},{"key":"e_1_2_6_22_2","doi-asserted-by":"crossref","first-page":"457","DOI":"10.3233\/NRE-130978","article-title":"Muscle strength is only a weak to moderate predictor of gait performance in persons with late effects of polio","volume":"33","author":"Flansbjer U.B.","year":"2013","journal-title":"NeuroRehabilitation"},{"key":"e_1_2_6_23_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2004.01.041"},{"key":"e_1_2_6_24_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2007.08.156"},{"key":"e_1_2_6_25_2","volume-title":"Using Multivariate Statistics","author":"Tabachnick B.","year":"2007"},{"key":"e_1_2_6_26_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1749-6632.1995.tb27560.x"},{"key":"e_1_2_6_27_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.dhjo.2014.02.003"},{"key":"e_1_2_6_28_2","doi-asserted-by":"publisher","DOI":"10.4278\/0890-1171-16.1.34"},{"key":"e_1_2_6_29_2","doi-asserted-by":"crossref","first-page":"628","DOI":"10.1177\/0269215507075516","article-title":"The Physical Activity and Disability Survey (PADS): Reliability, validity and acceptability in people with multiple sclerosis","volume":"21","author":"Kayes N.M.","year":"2007","journal-title":"Clin Rehabil"},{"key":"e_1_2_6_30_2","doi-asserted-by":"publisher","DOI":"10.1093\/ptj\/86.4.510"},{"key":"e_1_2_6_31_2","doi-asserted-by":"publisher","DOI":"10.1089\/jwh.2010.1941"},{"key":"e_1_2_6_32_2","doi-asserted-by":"publisher","DOI":"10.2165\/00007256-200232120-00004"},{"key":"e_1_2_6_33_2","doi-asserted-by":"publisher","DOI":"10.2340\/16501977-0561"},{"key":"e_1_2_6_34_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-5415.1991.tb01616.x"},{"key":"e_1_2_6_35_2","doi-asserted-by":"publisher","DOI":"10.1093\/ageing\/26.1.15"},{"key":"e_1_2_6_36_2","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1993.03510140062030"},{"key":"e_1_2_6_37_2","doi-asserted-by":"publisher","DOI":"10.1177\/0269215509339004"},{"key":"e_1_2_6_38_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.pmrj.2009.12.006"},{"key":"e_1_2_6_39_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.pmr.2004.06.013"},{"key":"e_1_2_6_40_2","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0404.2003.00186.x"},{"key":"e_1_2_6_41_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0003-9993(03)00108-4"},{"key":"e_1_2_6_42_2","doi-asserted-by":"publisher","DOI":"10.2340\/16501977-0237"},{"key":"e_1_2_6_43_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003727-200601001-00012"},{"key":"e_1_2_6_44_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2011.06.019"},{"key":"e_1_2_6_45_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0003-9993(99)90109-0"},{"key":"e_1_2_6_46_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2012.11.030"},{"key":"e_1_2_6_47_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2006.03.014"},{"key":"e_1_2_6_48_2","doi-asserted-by":"publisher","DOI":"10.1177\/1559827608317397"}],"container-title":["PM&amp;R"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1016%2Fj.pmrj.2014.09.005","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1934148214013677?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1934148214013677?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1016\/j.pmrj.2014.09.005","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,14]],"date-time":"2023-09-14T00:34:01Z","timestamp":1694651641000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1016\/j.pmrj.2014.09.005"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,9,10]]},"references-count":47,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2015,3]]}},"alternative-id":["10.1016\/j.pmrj.2014.09.005"],"URL":"https:\/\/doi.org\/10.1016\/j.pmrj.2014.09.005","archive":["Portico"],"relation":{},"ISSN":["1934-1482","1934-1563"],"issn-type":[{"value":"1934-1482","type":"print"},{"value":"1934-1563","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,9,10]]},"assertion":[{"value":"2014-02-18","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2014-09-05","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2014-09-10","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}