Research Database
Topic: Thresholds/Cut-points
Back to Research DatabaseActigraph Accelerometer-Defined Boundaries for Sedentary Behaviour and Physical Activity Intensities in 7 Year Old Children
Background: Accurate objective assessment of sedentary and physical activity behaviours during childhood is integral to the understanding of their relation to later health outcomes, as well as to documenting... Continue Reading >>>
- Authors: Richard M. Pulsford1, Mario Cortina-Borja2, Carly Rich2, Florence-Emilie Kinnafick3, Carol Dezateux2, Lucy J. Griffiths2
- Institutions: 1 College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom, 2 Medical Research Council Centre of Epidemiology for Child Health, University College London Institute of Child Health, London, United Kingdom, 3 School of Sport and Exercise Sciences, University of Birmingham, Birmingham, United Kingdom
Validation and Calibration of Physical Activity Monitors in Children
Objective: This study was designed to validate accelerometer-based activity monitors against energy expenditure (EE) in children; to compare monitor placement sites; to field-test the monitors: and to establish sedentary,... Continue Reading >>>
- Authors: Maurice R. Puyau, Anne L. Adolph, Firoz A. Vohra, and Nancy F. Butte
- Institutions: --
Moderate-to-Vigorous Physical Activity among Children: Discrepancies in Accelerometry-Based Cut-off Points
Objective: To highlight the discrepancies in accelerometry cut-off points of moderate-to-vigorous physical activity (MVPA) according to the definitions of Puyau et al. (MVPAP) and Trost et al. (MVPAT). Research... Continue Reading >>>
- Authors: Comlavi B. Guinhouya, Hervé Hubert, Stéphane Soubrier, Christian Vilhelm, Mohamed Lemdani and Alain Durocher
- Institutions: University of Lille
Estimating Physical Activity Using the CSA Accelerometer and a Physical Activity Log
PURPOSE To compare two methods for measuring time spent in physical activity of differing absolute intensities. METHODS Over a 7-d period, 59 women wore Computer Science and Applications, Inc.... Continue Reading >>>
- Authors: Schmidt MD, Freedson PS, Chasan-Taber L
- Institutions: --
Defining Accelerometer Thresholds for Activity Intensities in Adolescent Girls
Purpose: To derive a regression equation that estimates metabolic equivalent (MET) from accelerometer counts, and to define thresholds of accelerometer counts that can be used to delineate sedentary, light,... Continue Reading >>>
- Authors: TREUTH, MARGARITA S.; SCHMITZ, KATHRYN; CATELLIER, DIANE J; MCMURRAY, ROBERT G.; MURRAY, DAVID M.; ALMEIDA, M JOAO ; GOING, SCOTT , NORMAN. JAMES E. ; PATE, RUSSELL
- Institutions: The American College of Sports Medicine
Calibration of Accelerometer Output for Children
ABSTRACT: Understanding the determinants of physical activity behavior in children and youths is essential to the design and implementation of intervention studies to increase physical activity. Objective methods to... Continue Reading >>>
- Authors: Patty Freedson1, David Pober1, Kathleen F. Janz2
- Institutions: 1 - Department of Exercise Science, University of Massachusetts, Amherst, MA 01003, USA
2 - Department of Health and Sports Studies, University of Iowa, Iowa City, IA
Calibration of an Accelerometer During Free-Living Activities in Children.
OBJECTIVE: The aims of this study were to develop an equation to predict energy expenditure and to derive cut-points for moderate and vigorous physical activity intensity from the Actigraph... Continue Reading >>>
- Authors: Calum G Mattocks, Sam Leary, Andy R. Ness, Kevin Deere, Joanne Saunders, Kate Tilling, Joanne Kirkby, Steven N Blair, Chris J. Riddoch
- Institutions: --
Assessment of physical activity with the Computer Science and Applications, Inc., accelerometer: laboratory versus field validation
Our pm-pose was to compare the validity of the Computer Science and Applications, (CSA) Inc, accelerometer in laboratory and field settings and establish CSA count ranges for light, moderate,... Continue Reading >>>
- Authors: Nichols, I F, Morgan, C. G0, Chabot,LE, SaWllis, I F, Calfas, K. S.
- Institutions: --
An objective method for measurement of sedentary behavior in 3- to 4 year olds
Objective: To test the ability of accelerornetry to quantify sedentary behavior in 3- to 4-year-old children. Research Methods and Procedures: We developed a cutoff for accelerometry output (validation study)... Continue Reading >>>
- Authors: REILLY, JOHN J., JENNIFER COYLE, LOUISE KELLY, GENEVIEVE BURKE, STANLEY GRANT, AND JAMES Y. PATON
- Institutions: --
Actigraph calibration in obese/overweight and type 2 diabetes mellitus middle-aged to old adult patients.
BACKGROUND: Several methods exist to asses and control physical intensity levels of subjects engaged in physical activities programs, accelerometry is a method that could be easily used in the field. The... Continue Reading >>>
- Authors: Lopes VP, Magalhães P, Bragada J, Vasques C.
- Institutions: Dept. of Sport Science, Polytechnic Institute of Bragança, Portugal