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Accelerometry

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https://www.readbyqxmd.com/read/29162377/smartphone-based-accelerometry-is-a-valid-tool-for-measuring-dynamic-changes-in-knee-extension-range-of-motion
#1
Morten Pallisgaard Støve, Thorvaldur Skuli Palsson, Rogerio Pessoto Hirata
INTRODUCTION: Measurement of static joint range of motion is used extensively in orthopaedic and rehabilitative communities to benchmark treatment efficacy. Static measures are, however, insufficient in providing detailed information about patient impairments. Dynamic range of motion measures could provide more detailed information about patient impairments thus leading to better clinical assessments. Reliable and valid methods are available, but due to limitations in the present technology, dynamic measures are seldom performed in clinical settings...
November 18, 2017: Knee
https://www.readbyqxmd.com/read/29160021/sleep-timing-is-associated-with-diet-and-physical-activity-levels-in-9-11-year-old-children-from-dunedin-new-zealand-the-pedals-study
#2
Harriet A L Harrex, Sheila A Skeaff, Katherine E Black, Brittany K Davison, Jillian J Haszard, Kim Meredith-Jones, Robin Quigg, Pouya Saeedi, Lee Stoner, Jyh E Wong, Paula M L Skidmore
It is well documented that short sleep duration is associated with excess body weight and poor food intake in children. It has been suggested that sleep timing behaviour may also be an important predictor of weight and other related behaviours, independent of sleep duration; however, there is a lack of research investigating these relationships. The present study investigated sleep timing in association with diet and physical activity levels in 439 children aged 9-11 years old from New Zealand. Sleep and physical activity data were collected using accelerometry, and food choice using a short food-frequency questionnaire...
November 20, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/29158249/objectively-measured-physical-activity-and-sedentary-time-are-associated-with-cardiometabolic-risk-factors-in-adults-with-prediabetes-the-preview-study
#3
Nils Swindell, Kelly Mackintosh, Melitta McNarry, Jeffrey W Stephens, Diewertje Sluik, Mikael Fogelholm, Mathijs Drummen, Ian MacDonald, J Alfredo Martinez, Teodora Handjieva-Darlenska, Sally D Poppitt, Jennie Brand-Miller, Thomas M Larsen, Anne Raben, Gareth Stratton
OBJECTIVE: The aim of the present cross-sectional study was to examine the association among physical activity (PA), sedentary time (ST), and cardiometabolic risk in adults with prediabetes. RESEARCH DESIGN AND METHODS: Participants (n = 2,326; 25-70 years old, 67% female) from eight countries, with a BMI >25 kg ⋅ m(-2) and impaired fasting glucose (5.6-6.9 mmol ⋅ L(-1)) or impaired glucose tolerance (7.8-11.0 mmol ⋅ L(-1) at 2 h), participated. Seven-day accelerometry objectively assessed PA levels and ST...
November 20, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29155839/performance-of-thigh-mounted-triaxial-accelerometer-algorithms-in-objective-quantification-of-sedentary-behaviour-and-physical-activity-in-older-adults
#4
Jorgen A Wullems, Sabine M P Verschueren, Hans Degens, Christopher I Morse, Gladys L Onambélé
Accurate monitoring of sedentary behaviour and physical activity is key to investigate their exact role in healthy ageing. To date, accelerometers using cut-off point models are most preferred for this, however, machine learning seems a highly promising future alternative. Hence, the current study compared between cut-off point and machine learning algorithms, for optimal quantification of sedentary behaviour and physical activity intensities in the elderly. Thus, in a heterogeneous sample of forty participants (aged ≥60 years, 50% female) energy expenditure during laboratory-based activities (ranging from sedentary behaviour through to moderate-to-vigorous physical activity) was estimated by indirect calorimetry, whilst wearing triaxial thigh-mounted accelerometers...
2017: PloS One
https://www.readbyqxmd.com/read/29150762/seasonal-influence-on-adherence-to-and-effects-of-an-interval-walking-training-program-on-sedentary-female-college-students-in-japan
#5
Aiko Tanabe, Shizue Masuki, Ken-Ichi Nemoto, Hiroshi Nose
Habitual exercise training is recommended to young people for their health promotion, but adherence may be influenced by atmospheric temperature (T a ) if performed outdoors. We compared the adherence to and the effects of a home-based interval walking training (IWT) program on sedentary female college students between winter and summer. For summer training over 176 days, 48 subjects (18-22 years old) were randomly divided into two groups: the control group (CNTsummer, n = 24), which maintained a sedentary lifestyle as before, and the IWT group (IWTsummer, n = 24), which performed IWT while energy expenditure was monitored by accelerometry...
November 17, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/29145249/prospective-associations-between-measures-of-gross-and-fine-motor-coordination-in-infants-and-objectively-measured-physical-activity-and-sedentary-behavior-in-childhood
#6
Guillermo F López Sánchez, Genevieve Williams, Daniel Aggio, Domenico Vicinanza, Brendon Stubbs, Catherine Kerr, James Johnstone, Justine Roberts, Lee Smith
One important determinant of childhood physical activity and sedentary behavior may be that of motor development in infancy. The present analyses aimed to investigate whether gross and fine motor delays in infants were associated with objective and self-reported activity in childhood. Data were from the UK Millennium Cohort Study, a prospective cohort study, involving UK children born on or around the millennium (September 2000 and January 2002). When children were 9 months old, parents reported children's fine and gross motor-coordination, and at 7 years, sports club attendance and daily TV viewing time...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143402/association-between-objectively-measured-sedentary-behavior-and-a-criterion-measure-of-obesity-among-adults
#7
Junbae Mun, Youngdeok Kim, James L Farnsworth, Sunghyeok Suh, Minsoo Kang
OBJECTIVE: Results of published studies on the association between sedentary behavior (SB) and obesity are inconsistent, possibly due to reliance on subjective measures of SB and inappropriate measures of obesity. The aim of this study was to examine the relationship between objectively measured SB and criterion-measured obesity among adults. METHODS: A total of 2284 adults (≥18 years) from the 2003 to 2004 National Health and Nutrition Examination Survey were included in the analysis...
November 16, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29134174/associations-between-mother-s-and-children-s-moderate-to-vigorous-physical-activity-and-sedentary-time-in-the-family-context
#8
MinKyoung Song, Nathan F Dieckmann, Sydnee Stoyles, Youngwon Kim, Julie C Lumeng
The manner in which mothers' and children's moderate-to-vigorous physical activity (MVPA) and sedentary time (ST) are associated across different settings (i.e., at home versus outside of the home, on weekdays versus weekends) is not well understood. The purposes of this study were to: (Strong et al., 2005) describe associations between mothers' and children's levels of MVPA and ST, and (U.S. Department of Health and Human Services, 2008) determine how setting and mothers' and children's characteristics moderate the associations...
December 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/29131111/physical-activity-and-fatigue-in-patients-with-sarcoidosis
#9
Thomas Bahmer, Henrik Watz, Maria Develaska, Benjamin Waschki, Klaus F Rabe, Helgo Magnussen, Detlef Kirsten, Anne-Marie Kirsten
BACKGROUND: Little is known about physical activity in daily life among patients with sarcoidosis. Fatigue is a frequent and disabling symptom that might negatively affect physical activity levels. METHODS: In patients with sarcoidosis, we measured physical activity (steps per day) by accelerometry (SenseWear Armband) for 1 week. We assessed lung function (DLCO, FVC), exercise capacity (6-min walking distance [6MWD]), health-related quality of life (St George's Respiratory Questionnaire [SGRQ]), generic quality of life (12-Item Short-Form Health Survey [SF-12]), and fatigue (Multidimensional Fatigue Inventory [MFI-20])...
November 9, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29129459/reliability-and-validity-of-the-youth-leisure-time-sedentary-behavior-questionnaire-ylsbq
#10
Verónica Cabanas-Sánchez, David Martínez-Gómez, Irene Esteban-Cornejo, José Castro-Piñero, Julio Conde-Caveda, Óscar L Veiga
OBJECTIVES: To develop a questionnaire able to assess time spent by youth in a wide range of leisure-time sedentary behaviors (SB) and evaluate its test-retest reliability and criterion validity. DESIGN: Cross-sectional observational. METHODS: The reliability sample included 194 youth, aged 10-18 years, who completed the questionnaire twice, separated by one-week interval. The validity study comprised 1207 participants aged 8-18 years. Participants wore an accelerometer for 7 consecutive days...
November 7, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29122808/study-design-and-protocol-for-a-mixed-methods-evaluation-of-an-intervention-to-reduce-and-break-up-sitting-time-in-primary-school-classrooms-in-the-uk-the-class-pal-physically-active-learning-programme
#11
Ash C Routen, Stuart J H Biddle, Danielle H Bodicoat, Lorraine Cale, Stacy Clemes, Charlotte L Edwardson, Cris Glazebrook, Deirdre M Harrington, Kamlesh Khunti, Natalie Pearson, Jo Salmon, Lauren B Sherar
INTRODUCTION: Children engage in a high volume of sitting in school, particularly in the classroom. A number of strategies, such as physically active lessons (termed movement integration (MI)), have been developed to integrate physical activity into this learning environment; however, no single approach is likely to meet the needs of all pupils and teachers. This protocol outlines an implementation study of a primary school-based MI intervention: CLASS PAL (Physically Active Learning) programme...
November 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/29121957/pathways-through-which-higher-neighborhood-crime-is-longitudinally-associated-with-greater-body-mass-index
#12
Andrea S Richardson, Wendy M Troxel, Madhumita Ghosh-Dastidar, Gerald P Hunter, Robin Beckman, Natalie Colabianchi, Rebecca L Collins, Tamara Dubowitz
BACKGROUND: Although crime and perceived safety are associated with obesity and body mass index (BMI), the pathways are less clear. Two likely pathways by which crime and perceived safety may impact obesity are through distress and physical activity. METHODS: We examined data from 2013 to 2014 for 644 predominantly African-American adults (mean age 57 years; 77% female) living in low-income Pittsburgh, PA neighborhoods, including self-reported perceptions of safety and emotional distress, interviewer-measured height/weight, and physical activity measured via accelerometry...
November 9, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/29121884/evaluation-of-a-physical-activity-intervention-for-new-parents-protocol-paper-for-a-randomized-trial
#13
Alison Quinlan, Ryan E Rhodes, Mark R Beauchamp, Danielle Symons Downs, Darren E R Warburton, Chris M Blanchard
BACKGROUND: Identifying critical life transitions in people's physical activity behaviors may illuminate the most opportune intervention apertures for chronic disease prevention. A substantive evidence base now indicates that parenthood is one of these critical transition points for physical activity decline. This study will examine whether a brief theory-based intervention can prevent a decline in physical activity among new parents over 6 months following intervention. This study protocol represents the first dyad-based physical activity initiative in the parenthood literature involving both mothers and fathers; prior research has focused on only mothers or only fathers (albeit limited), and has shown only short-term changes in physical activity...
November 9, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29119519/brief-report-physical-activity-body-mass-index-and-arterial-stiffness-in-children-with-autism-spectrum-disorder-preliminary-findings
#14
Kevin S Heffernan, Luis Columna, Natalie Russo, Beth A Myers, Christine E Ashby, Michael L Norris, Tiago V Barreira
We examined the association between physical activity (PA), body mass index (BMI) and novel measures of subclinical cardiovascular disease (CVD) in 15 children with autism spectrum disorder (ASD) (mean age 7 ± 2 years, 2 girls). PA was objectively assessed using accelerometry as time spent in moderate-vigorous physical activity (MVPA). Arterial stiffness was measured via aortic pulse wave velocity (PWV) and taken as a marker of subclinical CVD risk. MVPA was inversely associated with aortic PWV (r = - 0...
November 8, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/29117928/brain-activation-in-response-to-personalized-behavioral-and-physiological-feedback-from-self-monitoring-technology-pilot-study
#15
Maxine E Whelan, Paul S Morgan, Lauren B Sherar, Andrew P Kingsnorth, Daniele Magistro, Dale W Esliger
BACKGROUND: The recent surge in commercially available wearable technology has allowed real-time self-monitoring of behavior (eg, physical activity) and physiology (eg, glucose levels). However, there is limited neuroimaging work (ie, functional magnetic resonance imaging [fMRI]) to identify how people's brains respond to receiving this personalized health feedback and how this impacts subsequent behavior. OBJECTIVE: Identify regions of the brain activated and examine associations between activation and behavior...
November 8, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29116008/evaluation-of-an-open-source-method-for-calculating-physical-activity-in-dogs-from-harness-and-collar-based-sensors
#16
C Westgarth, C Ladha
BACKGROUND: The ability to make objective measurements of physical activity in dogs has both clinical and research applications. Accelerometers offer a non-intrusive and convenient solution. Of the commercialy available sensors, measurements are commonly given in manufacturer bespoke units and calculated with closed source approaches. Furthermore, the validation studies that exist for such devices are mounting location dependant, not transferable between brands or not suitable for handling modern raw accelerometry type data...
November 7, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29110991/using-gps-accelerometry-and-heart-rate-to-predict-outdoor-graded-walking-energy-expenditure
#17
P-Y de Müllenheim, S Chaudru, M Emily, M Gernigon, G Mahé, S Bickert, J Prioux, B Noury-Desvaux, A Le Faucheur
OBJECTIVES: To determine the best method and combination of methods among global positioning system (GPS), accelerometry, and heart rate (HR) for estimating energy expenditure (EE) during level and graded outdoor walking. DESIGN: Thirty adults completed 6-min outdoor walks at speeds of 2.0, 3.5, and 5.0kmh(-1) during three randomized outdoor walking sessions: one level walking session and two graded (uphill and downhill) walking sessions on a 3.4% and a 10.4% grade...
October 13, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29110714/subjectively-and-objectively-assessed-social-and-physical-environmental-correlates-of-preschoolers-accelerometer-based-physical-activity
#18
Michael Eichinger, Sven Schneider, Freia De Bock
BACKGROUND: Overweight and low levels of physical activity (PA) in preschoolers are major public health concerns. However, to date only few studies have investigated subjective and objective correlates of PA across different socioecological domains in preschoolers. We therefore simultaneously investigate associations between preschoolers' objectively measured leisure-time PA and a comprehensive set of subjective and objective potential PA correlates across the behavioral, social and physical environmental domains on both family- and community-level...
November 6, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/29108029/accelerometric-estimates-of-physical-activity-vary-unstably-with-data-handling
#19
Maia P Smith, Marie Standl, Joachim Heinrich, Holger Schulz
BACKGROUND: Because of unreliable self-report, accelerometry is increasingly used to objectively monitor physical activity (PA). However, results of accelerometric studies vary depending on the chosen cutpoints between activity intensities. Population-specific activity patterns likely affect the size of these differences. To establish their size and stability we apply three sets of cutpoints, including two calibrated to a single reference, to our accelerometric data and compare PA estimates...
2017: PloS One
https://www.readbyqxmd.com/read/29106579/a-small-amount-of-precisely-measured-high-intensity-habitual-physical-activity-predicts-bone-health-in-pre-and-post-menopausal-women-in-uk-biobank
#20
Victoria H Stiles, Brad S Metcalf, Karen M Knapp, Alex V Rowlands
Background: Physical inactivity is a highly modifiable risk factor for the development of osteoporosis but, due to a lack of research that has precisely and objectively meaured physical activity (PA) relevant to bone, the specific contribution that PA can make to bone health is poorly understood. This study examined whether a more precise measure of PA relelvant to bone was associated with meaures of bone health in pre- and post-menopausal women in UK Biobank. Methods: Time spent at intensities specific to bone health [≥750 milli-gravitational units ( mg ) and ≥1000 mg ] were analysed from raw tri-axial acceleration data averaged over 1-second epochs from 7-day monitoring of habitual PA using accelerometry-based activity monitors (100 Hz; AX3, Axivity, UK) of 1218 pre- and 1316 post-menopausal healthy women...
June 29, 2017: International Journal of Epidemiology
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