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Grant R. Tomkinson
University of North Dakota
99Publications
24H-index
2,525Citations
Publications 100
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#1Amanda Watson (UniSA: University of South Australia)H-Index: 4
#2Carol Maher (UniSA: University of South Australia)H-Index: 32
Last.Tim Olds (UniSA: University of South Australia)H-Index: 53
view all 8 authors...
Emerging evidence suggests that children become fatter and less fit over the summer holidays but get leaner and fitter during the in-school period. This could be due to differences in diet and time use between these distinct periods. Few studies have tracked diet and time use across the summer holidays. This study will measure rates of change in fatness and fitness of children, initially in Grade 4 (age 9 years) across three successive years and relate these changes to changes in diet and time u...
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1 CitationsSource
#1Grant R. TomkinsonH-Index: 24
#2Justin J. Lang (Public Health Agency of Canada)H-Index: 11
Last.S TremblayMarkH-Index: 71
view all 7 authors...
In their editorial, Armstrong and Welsman1 suggest that the 20 m shuttle run test (20mSRT) (mis)represents and (mis)interprets youth cardiorespiratory fitness (CRF), and potentially (mis)informs health promotion and clinical practice. Their main arguments are: (a) the 20mSRT only provides an estimate of CRF (ie, peak ![Formula][1] O2) and (b) estimates are ratio-scaled (ie, expressed relative to body mass). In this response we provide several reasons, rooted in evidence, which refute their inter...
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#1Justin J. Lang (Children's Hospital of Eastern Ontario)H-Index: 11
#2S TremblayMark (Children's Hospital of Eastern Ontario)H-Index: 71
Last.Grant R. TomkinsonH-Index: 24
view all 5 authors...
Purpose To identify criterion-referenced standards for cardiorespiratory fitness (CRF); to estimate the percentage of children and youth that met each standard; and to discuss strategies to help improve the utility of criterion-referenced standards for population health research. Methods A search of four databases was undertaken to identify papers that reported criterion-referenced CRF standards for children and youth generated using the receiver operating characteristic curve technique. A pseud...
12 CitationsSource
Source
#1Grant R. Tomkinson (UND: University of North Dakota)H-Index: 24
#2Justin J. Lang (Public Health Agency of Canada)H-Index: 11
Last.S TremblayMarkH-Index: 71
view all 5 authors...
Cardiorespiratory fitness (CRF) is a good summative measure of the body’s ability to perform continuous, rhythmic, dynamic, large-muscle group physical activity, and exercise. In children, CRF is m...
2 CitationsSource
#1Brooklyn J. Fraser (UTAS: University of Tasmania)H-Index: 4
#2Leigh Blizzard (UTAS: University of Tasmania)H-Index: 51
Last.Costan G. Magnussen (UTAS: University of Tasmania)H-Index: 33
view all 12 authors...
ABSTRACTPrevious data have indicated relative stability over time of paediatric jumping performance, but few data exist since the early 2000s. This study quantified the 30-year secular changes in jumping performance of Australian children aged 11−12-years using data from the Australian Schools Health and Fitness Survey (1985, n = 1967) and Growing Up in Australia’s Child Health CheckPoint (2015, n = 1765). Both cohorts measured jumping performance (standing long jump distance), anthropometric an...
6 CitationsSource
#1Grant R. TomkinsonH-Index: 24
#2Justin J. Lang (Children's Hospital of Eastern Ontario)H-Index: 11
Last.S TremblayMark (Children's Hospital of Eastern Ontario)H-Index: 71
view all 3 authors...
Objective To estimate international and national temporal trends in the cardiorespiratory fitness (CRF) of children and adolescents and to examine relationships between temporal trends in CRF and temporal trends in broad socioeconomic and health-related indicators across countries. Methods Data were obtained from a systematic search of studies that explicitly reported 20 m shuttle run test (a validated measure of CRF) descriptive data on apparently healthy individuals aged 9–17 years. Following ...
19 CitationsSource
#1Duncan Buchan (University of the West of Scotland)H-Index: 10
#2Gareth KnoxH-Index: 6
Last.Julien S. Baker (University of the West of Scotland)H-Index: 31
view all 5 authors...
ABSTRACTThe purpose of this study was to examine the ability of international normative centiles for the 20 m shuttle run test (20mSRT) to identify youth at increased cardiometabolic risk. This was...
3 CitationsSource
#1Nicholas R. Lamoureux (UND: University of North Dakota)H-Index: 1
#2John S. Fitzgerald (UND: University of North Dakota)H-Index: 5
Last.Grant R. Tomkinson (UND: University of North Dakota)H-Index: 24
view all 6 authors...
Objective To estimate international and national temporal trends in the cardiorespiratory fitness (CRF) of adults, and to examine relationships between trends in CRF and trends in health-related, socioeconomic, and environmental indicators.
1 CitationsSource
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