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https://dora.health.qld.gov.au/qldresearchjspui/handle/1/4788
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DC Field | Value | Language |
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dc.contributor.author | Ziviani, J. | en |
dc.contributor.author | Mitchell, L. E. | en |
dc.contributor.author | Boyd, R. N. | en |
dc.date.accessioned | 2022-11-07T23:56:21Z | - |
dc.date.available | 2022-11-07T23:56:21Z | - |
dc.date.issued | 2014 | en |
dc.identifier.citation | 56 , 2014, p. 49-50 | en |
dc.identifier.other | RIS | en |
dc.identifier.uri | http://dora.health.qld.gov.au/qldresearchjspui/handle/1/4788 | - |
dc.description.abstract | Objective: The reliability of accelerometers in individuals with cerebral palsy has not been determined. This study aimed to establish the reliability of the ActiGraph®GT3X+ tri-axial accelerometer in children and adolescents with congenital hemiplegia. Design: Test-retest measurement study. Method: Thirty children (n=16 males; n=13 right hemiplegia) with spastic type congenital hemiplegia aged between 8 and 17 years (mean 11yr 11mo, SD 2yr 7mo) classified at GMFCS levels I (n=16) or II (n=14) were recruited from a tertiary hospital. Participants completed 43 minutes of standardized tasks on two consecutive days wearing an ActiGraph®GT3X+ tri-axial accelerometer at the hip on the unimpaired side, concurrently measuring heart rate (HR) using a PolarRS400® monitor and video recording. Testing protocol comprised 5 minutes seated rest period (REST) followed by 5 minutes walking at light (LW: 0.53m/sec), moderate (MW: 1.16m/sec) and vigorous (VW: 6min at 1.53m/s) pace on a 10 m linear track, and 3 minutes rapid stepping on/off a 20 cm step (STEP), interspersed with 5 minutes seated rest. ActiGraph® counts were synchronized with HR and standardized task then time coded into 5 seconds epochs. Two minutes of synchronized data were extracted from each task when HR reached steady state. Y-axis activity counts were converted to intensity using Evenson cut points. Reliability was calculated using intraclass- correlation coefficients (ICC) between days for each task (two-factor, mixed-effects, agreement model). Percentage agreement between ActiGraph® calculated and task intensity, and minimum detectable difference (MD=[SD√1-ICC] x1.96x√2) were calculated. Activity counts are counts/epoch, data is mean (SD). Results: Activity counts and HR increased with increasing task intensity. Mean activity counts during REST: 0.5 (5.3), LW: 52.9 (61.5), MW: 125.2 (82.4), VW: 355.9 (107.1), STEP: 286.0 (110.6); rise in HR from REST (bpm): LW: 17.7 (8.0), MW: 22.6 (8.8), VW: 51.9 (15.4), STEP: 51.8 (10.2). Agreement between activity intensity was 80-98% during REST, LW, VW and STEP tasks, but only 17% during MW. Testretest reliability was strong for LW (ICC=0.80), MW (ICC=0.80) and VW (ICC=0.70) but moderate for STEP tasks (ICC=0.67). MD was 15 counts/epoch for SED, 77 for LW, 101 for MW, 162 for VW and 178 for STEP tasks, meaning a difference of 23 345 counts or 10 minutes of moderate to vigorous physical activity (MVPA) between 12 hours wear periods is a statistically important change. Conclusion: The ActiGraph®GT3X+ tri-axial accelerometer is reliable during standardised walking and stepping tasks in independently ambulant children and adolescents with congenital hemiplegia.L716833842014-11-18 <br /> | en |
dc.language.iso | en | en |
dc.relation.ispartof | Developmental Medicine and Child Neurology | en |
dc.title | Test-retest reliability of the ActiGraph® accelerometer in children and adolescents with congenital hemiplegia: How much more activity is needed? | en |
dc.type | Article | en |
dc.identifier.doi | 10.1111/dmcn.12368 | en |
dc.subject.keywords | correlation coefficient | en |
dc.subject.keywords | spasticity | en |
dc.subject.keywords | steady state | en |
dc.subject.keywords | model | en |
dc.subject.keywords | male | en |
dc.subject.keywords | physical activity | en |
dc.subject.keywords | Gross Motor Function Classification System | en |
dc.subject.keywords | trichloroethylenerecombinant erythropoietin | en |
dc.subject.keywords | nitrogen 13 | en |
dc.subject.keywords | human | en |
dc.subject.keywords | test retest reliability | en |
dc.subject.keywords | child | en |
dc.subject.keywords | accelerometer | en |
dc.subject.keywords | adolescent | en |
dc.subject.keywords | hemiplegia | en |
dc.subject.keywords | cerebral palsy | en |
dc.subject.keywords | reliability | en |
dc.subject.keywords | walking | en |
dc.subject.keywords | videorecording | en |
dc.subject.keywords | heart rate | en |
dc.subject.keywords | hip | en |
dc.subject.keywords | tertiary care center | en |
dc.relation.url | https://www.embase.com/search/results?subaction=viewrecord&id=L71683384&from=exporthttp://dx.doi.org/10.1111/dmcn.12368 | | en |
dc.identifier.risid | 1567 | en |
dc.description.pages | 49-50 | en |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.fulltext | No Fulltext | - |
item.grantfulltext | none | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
Appears in Sites: | Children's Health Queensland Publications |
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