Search Results - "Buchan, Duncan S."

Generation and validation of ActiGraph GT3X+ accelerometer cut-points for assessing physical activity intensity in older adults. The OUTDOOR ACTIVE validation study by Bammann, Karin, Thomson, Nicola K, Albrecht, Birte Marie, Buchan, Duncan S, Easton, Chris

“…The study of physical activity in older adults is becoming more and more relevant. For evaluation of physical activity recommendations, intensity-specific…”
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Grip Strength Cut Points for Diabetes Risk Among Apparently Healthy U.S. Adults by Brown, Elise C., Buchan, Duncan S., Madi, Samar A., Gordon, Breanne N., Drignei, Dorin

“…Early detection screening tools are needed to aid in preventing vascular complications associated with type 2 diabetes. As low muscular strength is linked to…”
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A comparison of physical activity from Actigraph GT3X+ accelerometers worn on the dominant and non‐dominant wrist by Buchan, Duncan S., McSeveney, Fiona, McLellan, Gillian

“…Summary The purpose of this study was to evaluate the agreement between several activity measures using raw acceleration data from accelerometers worn…”
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Relationship Between Parent and Child Physical Activity Using Novel Acceleration Metrics by Donnelly, Samantha, Buchan, Duncan S., McLellan, Gillian, Arthur, Rosie

“…Background: Raw acceleration data lend themselves to innovative metrics in which comparisons can be made across populations. This study examined whether the…”
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Segmented sedentary time and physical activity patterns throughout the week from wrist-worn ActiGraph GT3X+ accelerometers among children 7–12 years old by McLellan, Gillian, Arthur, Rosie, Donnelly, Samantha, Buchan, Duncan S.

“…•Children were most active and less sedentary during weekdays in comparison with weekend days.•Children were highly sedentary and spent little of their time at…”
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A feasibility study with process evaluation of a teacher led resource to improve measures of child health by Buchan, Duncan S, Donnelly, Samantha, McLellan, Gillian, Gibson, Ann-Marie, Arthur, Rosemary

“…Previous school-based interventions have produced positive effects upon measures of children's health and wellbeing but such interventions are often delivered…”
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A Personalized Smartphone-Delivered Just-in-time Adaptive Intervention (JitaBug) to Increase Physical Activity in Older Adults: Mixed Methods Feasibility Study by Mair, Jacqueline Louise, Hayes, Lawrence D, Campbell, Amy K, Buchan, Duncan S, Easton, Chris, Sculthorpe, Nicholas

“…Just-in-time adaptive interventions (JITAIs) provide real time in-the-moment behavior change support to people when they need it most. JITAIs could be a viable…”
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Accelerometer-derived sleep metrics in mild and difficult-to-treat asthma by Sharma, Varun, Ricketts, Helen Clare, Steffensen, Femke, Goodfellow, Anna, Buchan, Duncan S, Cowan, Douglas C

“…Poor sleep health is associated with increased asthma morbidity and mortality. Accelerometers have been validated to assess sleep parameters though studies…”
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A pragmatic randomised controlled trial of tailored pulmonary rehabilitation in participants with difficult-to-control asthma and elevated body mass index by Ricketts, Helen Clare, Sharma, Varun, Steffensen, Femke, Goodfellow, Anna, Mackay, Elaine, MacDonald, Gordon, Buchan, Duncan S, Chaudhuri, Rekha, Cowan, Douglas C

“…Difficult-to-control asthma associated with elevated body mass index (BMI) is challenging with limited treatment options. The effects of pulmonary…”
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Comparison of stepping-based metrics from ActiGraph accelerometers worn concurrently on the non-dominant wrist and waist among young adults by Buchan, Duncan S.

“…Step counts can be estimated from wrist-worn accelerometers through the Verisense Step Count Algorithm. No study has assessed agreement between stepping…”
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Physical Activity Behaviour: An Overview of Current and Emergent Theoretical Practices by Buchan, Duncan S., Ollis, Stewart, Thomas, Non E., Baker, Julien S.

“…Physical activity research has been dominated by traditional cognitive rationale paradigms utilized within other domains. Though this approach to physical…”
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Diagnostic performance of Body Mass Index, Waist Circumference and the Waist-to-Height Ratio for identifying cardiometabolic risk in Scottish pre-adolescents by Buchan, Duncan S., McLellan, Gillian, Donnelly, Samantha, Arthur, Rosie

“…Background: Limited studies have examined the diagnostic performance of body mass index (BMI), waist circumference (WC) or waist-to-height ratio (WHtR) for…”
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Equivalence of activity outcomes derived from three research grade accelerometers worn simultaneously on each wrist by Buchan, Duncan S.

“…This study evaluated the equivalence of activity outcomes from three accelerometer brands worn on both wrists during free living. Forty-four adults wore a…”
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Re-examination of 1- vs. 3-Sets of Resistance Exercise for Pre-spaceflight Muscle Conditioning: A Systematic Review and Meta-Analysis by Ralston, Grant W, Kilgore, Lon, Wyatt, Frank B, Dutheil, Frédéric, Jaekel, Patrick, Buchan, Duncan S, Baker, Julien S

“…Recommendations on resistance training (RT) set-volume protocols in preparation for spaceflight muscular strength conditioning remains equivocal. A…”
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Wear compliance, sedentary behaviour and activity in free-living children from hip-and wrist-mounted ActiGraph GT3X+ accelerometers by McLellan, Gillian, Arthur, Rosie, Buchan, Duncan S.

“…The GT3X+ worn at the wrist promotes greater compliance than at the hip. Minutes in SB and PA calculated from raw accelerations at the hip and wrist provide…”
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High Intensity Interval Training (HIIT) Improves Cardiorespiratory Fitness (CRF) in Healthy, Overweight and Obese Adolescents: A Systematic Review and Meta-Analysis of Controlled Studies by Martin-Smith, Rhona, Cox, Ashley, Buchan, Duncan S, Baker, Julien S, Grace, Fergal, Sculthorpe, Nicholas

“…: High Intensity Interval Training (HIIT) is a sustainable and effective method for improving Cardiorespiratory Fitness (CRF) in adolescents. HIIT is proven to…”
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Comparing physical activity estimates in children from hip-worn Actigraph GT3X+ accelerometers using raw and counts based processing methods by Buchan, Duncan S., McLellan, Gillian

“…This study examined differences in physical activity (PA) estimates provided from raw and counts processing methods. One hundred and sixty-five children (87…”
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The influence of a high intensity physical activity intervention on a selection of health related outcomes: an ecological approach by Buchan, Duncan S, Ollis, Stewart, Thomas, Non E, Baker, Julien S

“…Cardiovascular disease (CVD) is the main cause of mortality throughout the world. With accumulating evidence suggesting that CVD has its origins in childhood,…”
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Exploring the feasibility of a cluster pilot randomised control trial to improve children's 24-hour movement behaviours and dietary intake: Happy homework by Donnelly, Samantha, Buchan, Duncan S., McLellan, Gillian, Roberts, Ross, Arthur, Rosie

“…We aimed to explore the feasibility, acceptability, and potential efficacy of Happy Homework (HH); an 8-week home-focussed intervention, with the purpose of…”
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Comparison of physical activity metrics from two research-grade accelerometers worn on the non-dominant wrist and thigh in children by Buchan, Duncan S, Maylor, Benjamin D

“…This study compared physical activity metrics from the activPAL (AP) worn on the thigh with the ActiGraph worn on the non-dominant wrist using open-source…”
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