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Article: Physical activity measurement using MTI (actigraph) among children with cerebral palsy

TitlePhysical activity measurement using MTI (actigraph) among children with cerebral palsy
Authors
KeywordsCerebral palsy
Child
Heart rate
Rehabilitation
Issue Date2010
PublisherWB Saunders Co. The Journal's web site is located at http://www.elsevier.com/locate/apmr
Citation
Archives Of Physical Medicine And Rehabilitation, 2010, v. 91 n. 8, p. 1283-1290 How to Cite?
AbstractObjective: To investigate the validity of MTI accelerometer as a physical activity (PA) measurement instrument for children with cerebral palsy (CP). Design: Participants were classified within Gross Motor Function Classification System I to III and took part in 2 activity sessions: (1) a structured activity protocol with increasing intensities and (2) a free play session. Concurrent measurements of activity counts, heart rate, and observed physical activity were performed. Setting: Data were collected on normal school days in special schools within the participants' 30-minute break period. Participants: Convenience sample of children with CP (N=31; 17 girls, 14 boys) age between 6 and 14 years (mean ± SD, 9.71±2.52y). Interventions: Not applicable. Main Outcome Measures: MTI measured activity counts, a monitoring device measured heart rate, and the System for Observing Fitness Instruction Time (SOFIT) was used for direct PA observation. Results: There were strong relationships between MTI and SOFIT (r=.75; R 2=.56; P<.001) and heart rate monitor (HRM) and SOFIT (r=.65; R 2=.43; P<.001) data in structured activities, but the difference between these 2 correlation coefficients was not significant (P=.46). In free play activities, the association between MTI and SOFIT data (r=.67; R 2=.45; P<.001) was significantly stronger (P=.01) than that between heart rate and SOFIT data (r=.14; R 2=.02; P<.001) . Bland-Altman plots showed better agreement between observed SOFIT and MTI-predicted SOFIT data than observed SOFIT and HRM-predicted SOFIT data from the linear regression analysis. Conclusions: The findings suggest that the MTI appears to be a valid instrument for measuring raw activity volume among children with CP and is suitable for use in studies attempting to characterize the PA of this population. © 2010 American Congress of Rehabilitation Medicine.
Persistent Identifierhttp://hdl.handle.net/10722/125653
ISSN
2023 Impact Factor: 3.6
2023 SCImago Journal Rankings: 1.091
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorCapio, CMen_HK
dc.contributor.authorSit, CHen_HK
dc.contributor.authorAbernethy, Ben_HK
dc.date.accessioned2010-10-31T11:44:00Z-
dc.date.available2010-10-31T11:44:00Z-
dc.date.issued2010en_HK
dc.identifier.citationArchives Of Physical Medicine And Rehabilitation, 2010, v. 91 n. 8, p. 1283-1290en_HK
dc.identifier.issn0003-9993en_HK
dc.identifier.urihttp://hdl.handle.net/10722/125653-
dc.description.abstractObjective: To investigate the validity of MTI accelerometer as a physical activity (PA) measurement instrument for children with cerebral palsy (CP). Design: Participants were classified within Gross Motor Function Classification System I to III and took part in 2 activity sessions: (1) a structured activity protocol with increasing intensities and (2) a free play session. Concurrent measurements of activity counts, heart rate, and observed physical activity were performed. Setting: Data were collected on normal school days in special schools within the participants' 30-minute break period. Participants: Convenience sample of children with CP (N=31; 17 girls, 14 boys) age between 6 and 14 years (mean ± SD, 9.71±2.52y). Interventions: Not applicable. Main Outcome Measures: MTI measured activity counts, a monitoring device measured heart rate, and the System for Observing Fitness Instruction Time (SOFIT) was used for direct PA observation. Results: There were strong relationships between MTI and SOFIT (r=.75; R 2=.56; P<.001) and heart rate monitor (HRM) and SOFIT (r=.65; R 2=.43; P<.001) data in structured activities, but the difference between these 2 correlation coefficients was not significant (P=.46). In free play activities, the association between MTI and SOFIT data (r=.67; R 2=.45; P<.001) was significantly stronger (P=.01) than that between heart rate and SOFIT data (r=.14; R 2=.02; P<.001) . Bland-Altman plots showed better agreement between observed SOFIT and MTI-predicted SOFIT data than observed SOFIT and HRM-predicted SOFIT data from the linear regression analysis. Conclusions: The findings suggest that the MTI appears to be a valid instrument for measuring raw activity volume among children with CP and is suitable for use in studies attempting to characterize the PA of this population. © 2010 American Congress of Rehabilitation Medicine.en_HK
dc.languageengen_HK
dc.publisherWB Saunders Co. The Journal's web site is located at http://www.elsevier.com/locate/apmren_HK
dc.relation.ispartofArchives of Physical Medicine and Rehabilitationen_HK
dc.subjectCerebral palsyen_HK
dc.subjectChilden_HK
dc.subjectHeart rateen_HK
dc.subjectRehabilitationen_HK
dc.subject.meshActigraphy - methods-
dc.subject.meshCerebral Palsy - physiopathology-
dc.subject.meshChild-
dc.subject.meshDisability Evaluation-
dc.subject.meshExercise - physiology-
dc.titlePhysical activity measurement using MTI (actigraph) among children with cerebral palsyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-9993&volume=91&issue=8&spage=1283&epage=1290&date=2010&atitle=Physical+activity+measurement+using+MTI+(Actigraph)+among+children+with+cerebral+palsyen_HK
dc.identifier.emailCapio, CM: ccapio@hku.hken_HK
dc.identifier.emailSit, CH: sithp@hku.hken_HK
dc.identifier.emailAbernethy, B: bruceab@hkucc.hku.hken_HK
dc.identifier.authorityCapio, CM=rp01724en_HK
dc.identifier.authoritySit, CH=rp00957en_HK
dc.identifier.authorityAbernethy, B=rp00886en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.apmr.2010.04.026en_HK
dc.identifier.pmid20684912-
dc.identifier.scopuseid_2-s2.0-77955601272en_HK
dc.identifier.hkuros175355en_HK
dc.identifier.hkuros182599-
dc.identifier.hkuros185745en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77955601272&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume91en_HK
dc.identifier.issue8en_HK
dc.identifier.spage1283en_HK
dc.identifier.epage1290en_HK
dc.identifier.isiWOS:000281178900019-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridCapio, CM=36129570400en_HK
dc.identifier.scopusauthoridSit, CH=6602768457en_HK
dc.identifier.scopusauthoridAbernethy, B=8841578500en_HK
dc.identifier.issnl0003-9993-

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