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Accelerometry

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https://www.readbyqxmd.com/read/28814049/wearable-sensing-for-rehabilitation-after-stroke-bimanual-jerk-asymmetry-encodes-unique-information-about-the-variability-of-upper-extremity-recovery
#1
Diogo S de Lucena, Oliver Stoller, Justin B Rowe, Vicky Chan, David J Reinkensmeyer
Wearable sensing is a new tool for quantifying upper extremity (UE) rehabilitation after stroke. However, it is unclear whether it provides information beyond what is available through standard clinical assessments. To investigate this question, people with a chronic stroke (n=9) wore accelerometers on both wrists for 9 hours on a single day during their daily activities. We used principal components analysis (PCA) to characterize how novel kinematic measures of jerk and acceleration asymmetry, along with conventional measures of limb use asymmetry and clinical function, explained the behavioral variance of UE recovery across participants...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813842/using-wearable-physiological-sensors-to-predict-energy-expenditure
#2
Kimberly A Ingraham, Daniel P Ferris, C David Remy
Lower-limb assistive robotic devices are often evaluated by measuring a reduction in the user's energy cost. Using indirect calorimetry to estimate energy cost is poorly suited for real-time estimation and long-term collection. The goal of this study was to use data from wearable sensors to predict energy cost with better temporal resolution and less variability than breath measurements. We collected physiological data (heart rate, electrodermal activity, skin temperature) and mechanical data (EMG, accelerometry) from three healthy subjects walking on a treadmill at various speeds on level ground, inclined, and backwards...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28811652/sources-of-variability-in-childhood-obesity-indicators-and-related-behaviors
#3
P T Katzmarzyk, S T Broyles, J-P Chaput, M Fogelholm, G Hu, E V Lambert, C Maher, J Maia, T Olds, V Onywera, O L Sarmiento, M Standage, M S Tremblay, C Tudor-Locke
The purpose of this study was to describe sources of variability in obesity-related variables in 6022 children aged 9-11 y from 12 countries. The study design involved recruitment of students, nested within schools, which were nested within study sites. Height, weight and waist circumference (WC) were measured and BMI was calculated; sleep duration and total and in-school moderate-to-vigorous physical activity (MVPA) and sedentary time were measured by accelerometry; and diet scores were obtained by questionnaire...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28806721/the-effect-of-visual-perturbation-upon-femoral-acceleration-during-the-single-and-bilateral-squat
#4
R Barry Dale, Ravi P Gollapalli, Taylor Price, Katie Megahee, Morgan Duncan, Nick Tolstick, Luke Ford
OBJECTIVES: Record femoral accelerations using a smartphone accelerometer attached to the distal thigh during single-legged (SLS) and bilateral squats, and each squat condition occurred under two visual conditions: 1) normal vision and 2) visual perturbation with stroboscopic glasses. DESIGN: Repeated-measures cross-over with counter-balanced order for four total conditions. SETTING: Laboratory. PARTICIPANTS: 22 females and 16 males without lower extremity pathologies...
June 20, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28805075/validity-and-reliability-of-accelerometry-in-identification-of-lying-sitting-standing-or-purposeful-activity-in-adult-hospital-inpatients-recovering-from-acute-or-critical-illness-a-systematic-review
#5
Jayne L Anderson, Angela J Green, L Samantha Yoward, Howard K Hall
OBJECTIVE: To investigate the validity and reliability of accelerometers to detect lying, sitting and standing postures or purposeful activity in hospitalized adults recovering from acute or critical illness. DATA SOURCES: CINAHL, MEDLINE, EMBASE, AMED, Cochrane Library, PEDro, PsycINFO and SPORTDiscuss were searched from inception to June 2017. Professional networks and reference lists of relevant articles were also searched. The main selection criteria were hospitalized adults with acute or critical illness and studies investigating the validity or reliability of accelerometers to identify body position or purposeful activity...
August 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28804812/predominance-of-comorbidities-in-the-detriment-of-daily-activity-in-sarcoidosis-patients
#6
S Kostorz, D Jastrzębski, M Sikora, A Zebrowska, A Margas, D Stepanik, H Swinder, D Ziora
Sarcoidosis may affect lung function, working ability, overall mobility, and daily activity. In the present study we performed an analysis of clinical settings in patients with sarcoidosis to disentangle its influence on daily physical activity (PA). PA assessment (number of steps per day, daily energy expenditure) was performed by accelerometry during consecutive 7 days after discharge from hospital. Thirty patients with sarcoidosis, aged 46.4 ± 10.5, were enrolled in the study. Clinical data (age, gender, steroid consumption, weight, and comorbidities), lung function tests (forced expiratory volume in one second - FEV1, forced vital capacity - FVC, and lung diffusion for carbon monoxide - DLCO), mobility (6-minute walk test- 6MWT) and physical performance (oxygen consumption at anaerobic threshold - VO2/AT) were estimated...
August 15, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28802772/effectiveness-of-a-combined-exercise-training-and-home-based-walking-programme-on-physical-activity-compared-with-standard-medical-care-in-moderate-copd-a-randomised-controlled-trial
#7
P de Roos, C Lucas, J H Strijbos, E van Trijffel
OBJECTIVE: To estimate the effectiveness of a 10-week combined exercise training and home-based walking programme on daily physical activity (PA) compared with standard medical care in patients with moderate chronic obstructive pulmonary disease (COPD). DESIGN: Randomised controlled trial. SETTING: Primary care physiotherapy. PARTICIPANTS: Consecutive patients with stable COPD at Gold Stage II with a score of two or more on the Medical Research Council Dyspnoea Scale...
July 14, 2017: Physiotherapy
https://www.readbyqxmd.com/read/28802654/income-physical-activity-sedentary-behavior-and-the-weekend-warrior-among-u-s-adults
#8
Kerem Shuval, Qing Li, Kelley Pettee Gabriel, Rusty Tchernis
The present study examines the association between income and physical activity intensity along the entire continuum using accelerometry in a nationally representative sample of U.S. adults. Specifically, we assessed the relationship between annual household income, sedentary behavior, light, and moderate-vigorous intensity physical activity, and meeting physical activity guidelines over a brief, 2-day period ('weekend warrior'), and during the entire week. The sample consisted of 5206 National Health and Examination Survey adult participants (2003-2006) who wore accelerometers and completed pertinent survey questions...
August 9, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28800894/examining-unanswered-questions-about-the-home-environment-and-childhood-obesity-disparities-using-an-incremental-mixed-methods-longitudinal-study-design-the-family-matters-study
#9
Jerica M Berge, Amanda Trofholz, Allan Tate, Maureen Beebe, Angela Fertig, Michael Miner, Scott Crow, Kathleen A Culhane-Pera, Shannon Pergament, Dianne Neumark-Sztainer
There are disparities in the prevalence of childhood obesity for children from low-income and minority households. Mixed-methods studies that examine home environments in an in-depth manner are needed to identify potential mechanisms driving childhood obesity disparities that have not been examined in prior research. The Family Matters study aims to identify risk and protective factors for childhood obesity in low-income and minority households through a two-phased incremental, mixed-methods, and longitudinal approach...
August 8, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28799216/device-measured-physical-activity-as-a-predictor-of-disability-in-mobility-limited-older-adults
#10
Robert T Mankowski, Stephen D Anton, Robert Axtell, Shyh-Huei Chen, Roger A Fielding, Nancy W Glynn, Fang-Chi Hsu, Abby C King, Andrew S Layne, Christiaan Leeuwenburgh, Todd M Manini, Anthony P Marsh, Marco Pahor, Catrine Tudor-Locke, David E Conroy, Thomas W Buford
OBJECTIVES: To examine associations between objectively measured physical activity (PA) and incidence of major mobility disability (MMD) and persistent MMD (PMMD) in older adults in the Lifestyle Interventions and Independence for Elders (LIFE) Study. DESIGN: Prospective cohort of individuals aged 65 and older undergoing structured PA intervention or health education. SETTING: The LIFE Study was a multicenter (eight sites) randomized controlled trial designed to compare the efficacy of a long-term structured PA intervention with that of a health education (HE) program in reducing the incidence of MMD in mobility-limited older adults...
August 11, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28796796/investigating-the-relationship-between-energy-expenditure-walking-speed-and-angle-of-turning-in-humans
#11
M A McNarry, R P Wilson, M D Holton, I W Griffiths, K A Mackintosh
Recent studies have suggested that changing direction is associated with significant additional energy expenditure. A failure to account for this additional energy expenditure of turning has significant implications in the design and interpretation of health interventions. The purpose of this study was therefore to investigate the influence of walking speed and angle, and their interaction, on energy expenditure in 20 healthy adults (7 female; 28±7 yrs). On two separate days, participants completed a turning protocol at one of 16 speed- (2...
2017: PloS One
https://www.readbyqxmd.com/read/28794209/phylloquinone-intake-is-associated-with-cardiac-structure-and-function-in-adolescents
#12
Mary K Douthit, Mary Ellen Fain, Joshua T Nguyen, Celestine F Williams, Allison H Jasti, Bernard Gutin, Norman K Pollock
Background: Associations between childhood vitamin K consumption and cardiac structure and function have not been investigated.Objective: We determined associations between phylloquinone (vitamin K-1) intake and left ventricular (LV) structure and function in adolescents.Methods: We assessed diet with three to seven 24-h recalls and physical activity (PA) by accelerometry in 766 adolescents (aged 14-18 y, 50% female, 49% black). Fat-free soft tissue (FFST) mass and fat mass were measured by dual-energy X-ray absorptiometry...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28793919/prevention-of-diabetes-in-overweight-obese-children-through-a-family-based-intervention-program-including-supervised-exercise-predikid-project-study-protocol-for-a-randomized-controlled-trial
#13
Lide Arenaza, María Medrano, María Amasene, Beatriz Rodríguez-Vigil, Ignacio Díez, Manuel Graña, Ignacio Tobalina, Edurne Maiz, Edurne Arteche, Eider Larrarte, Inge Huybrechts, Catherine L Davis, Jonatan R Ruiz, Francisco B Ortega, Javier Margareto, Idoia Labayen
BACKGROUND: The global pandemic of obesity has led to an increased risk for prediabetes and type-2 diabetes (T2D). The aims of the current project are: (1) to evaluate the effect of a 22-week family based intervention program, including supervised exercise, on insulin resistance syndrome (IRS) risk in children with a high risk of developing T2D and (2) to identify the profile of microRNA in circulating exosomes and in peripheral blood mononuclear cells in children with a high risk of developing T2D and its response to a multidisciplinary intervention program including exercise...
August 10, 2017: Trials
https://www.readbyqxmd.com/read/28782888/physical-activity-and-sedentary-time-associations-with-metabolic-health-across-weight-statuses-in-children-and-adolescents
#14
Nicholas Kuzik, Valerie Carson, Lars Bo Andersen, Luís B Sardinha, Anders Grøntved, Bjørge Herman Hansen, Ulf Ekelund
OBJECTIVE: The aim of this study was to examine the prevalence of metabolic health across weight statuses and the associations of physical activity and sedentary time within and across metabolic health-weight status groups. METHODS: Six studies (n = 4,581) from the International Children's Accelerometry Database were used. Sedentary time, light physical activity, and moderate to vigorous physical activity (MVPA) were accelerometer derived. Individuals were classified with normal weight (NW), overweight, or obesity...
August 7, 2017: Obesity
https://www.readbyqxmd.com/read/28775377/objectively-measured-sedentary-time-and-physical-activity-and-associations-with-body-weight-gain-does-body-weight-determine-a-decline-in-moderate-and-vigorous-intensity-physical-activity
#15
U Ekelund, E Kolle, J Steene-Johannessen, K E Dalene, A K O Nilsen, S A Anderssen, B H Hansen
OBJECTIVES: High levels of physical activity may prevent the development of obesity. However, the magnitude and direction of the association between physical activity (PA) of various intensities, sedentary time and weight status remain unclear. Thus, we examined whether objectively measured sedentary time and physical activity independently predict gain in body weight, change in body weight and to examine the possibility of reverse causation. METHODS: We examined the prospective associations between sedentary time, PA and body weight (BW)...
August 4, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28761703/validation-of-the-global-physical-activity-questionnaire-for-self-administration-in-a-european-context
#16
Miriam Wanner, Christina Hartmann, Giulia Pestoni, Brian Winfried Martin, Michael Siegrist, Eva Martin-Diener
BACKGROUND/AIM: Little is known about the measurement properties of the self-administered Global Physical Activity Questionnaire (GPAQ) in Europe. The aim was to validate the self-administered GPAQ against accelerometry in Switzerland in German, French and Italian. METHODS: Participants of this cross-sectional study were recruited among members of the Swiss Food Panel (German-speaking and French-speaking samples) and as a convenience sample (Italian-speaking sample)...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28759597/objectively-measured-sedentary-time-among-five-ethnic-groups-in-amsterdam-the-helius-study
#17
Anne Loyen, Mary Nicolaou, Marieke B Snijder, Ron J G Peters, Karien Stronks, Lars J Langøien, Hidde P van der Ploeg, Johannes Brug, Jeroen Lakerveld
INTRODUCTION: Sedentary behaviour is increasingly recognised as a health risk. While differences in this behaviour might help explain ethnic differences in disease profiles, studies on sedentary behaviour in ethnic minorities are scarce. The aim of this study was to compare the levels and the socio-demographic and lifestyle-related correlates of objectively measured sedentary time among five ethnic groups in Amsterdam, the Netherlands. METHODS: Data were collected as part of the HELIUS study...
2017: PloS One
https://www.readbyqxmd.com/read/28758772/validation-of-the-godin-leisure-time-exercise-questionnaire-classification-coding-system-using-accelerometry-in-multiple-sclerosis
#18
Robert W Motl, Rachel E Bollaert, Brian M Sandroff
OBJECTIVE: There have been recent efforts toward creating a health contribution score (HCS) from the Godin Leisure-Time Exercise Questionnaire (GLTEQ) that reflects public-health guidelines for levels of moderate-to-vigorous physical activity (MVPA). The HCS yields categories of insufficiently active (less substantial or low benefits), moderately active (some benefits), and active (substantial benefits). The present study examined the validity of the GLTEQ HCS and its categories as reflecting levels of MVPA in multiple sclerosis (MS)...
July 31, 2017: Rehabilitation Psychology
https://www.readbyqxmd.com/read/28755415/accelerometer-measured-moderate-to-vigorous-physical-activity-and-incidence-rates-of-falls-in-older-women
#19
David M Buchner, Eileen Rillamas-Sun, Chongzhi Di, Michael J LaMonte, Stephen W Marshall, Julie Hunt, Yuzheng Zhang, Dori E Rosenberg, I-Min Lee, Kelly R Evenson, Amy H Herring, Cora E Lewis, Marcia L Stefanick, Andrea Z LaCroix
OBJECTIVES: To examine whether moderate to vigorous physical activity (MVPA) measured using accelerometry is associated with incident falls and whether associations differ according to physical function or history of falls. DESIGN: Prospective study with baseline data collection from 2012 to 2014 and 1 year of follow-up. SETTING: Women's Health Initiative participants living in the United States. PARTICIPANTS: Ambulatory women aged 63 to 99 (N = 5,545)...
July 29, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28751372/energy-cost-of-running-instability-evaluated-with-wearable-trunk-accelerometry
#20
Kurt Heinrich Schütte, Saint Sackey, Rachel Venter, Benedicte Vanwanseele
Maintaining stability under dynamic conditions is an inherent challenge to bipedal running. This challenge may impose an energetic cost (Ec) thus hampering endurance running performance, yet the underlying mechanisms are not clear. Wireless tri-axial trunk accelerometry is a simple tool that could be used to unobtrusively evaluate these mechanisms. Here, we test a cost of instability hypothesis by examining the contribution of trunk accelerometry-based measures (tri-axial root mean square, step and stride regularity, and sample entropy) to inter-individual variance in Ec (kcal...
July 27, 2017: Journal of Applied Physiology
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