[HTML][HTML] Accuracy of Fitbit devices: systematic review and narrative syntheses of quantitative data
LM Feehan, J Geldman, EC Sayre, C Park… - JMIR mHealth and …, 2018 - mhealth.jmir.org
Background: Although designed as a consumer product to help motivate individuals to be
physically active, Fitbit activity trackers are becoming increasingly popular as measurement …
physically active, Fitbit activity trackers are becoming increasingly popular as measurement …
Bioelectrical impedance analysis for body composition assessment: reflections on accuracy, clinical utility, and standardisation
LC Ward - European journal of clinical nutrition, 2019 - nature.com
Bioelectrical impedance analysis is an extremely popular method for assessment of body
composition. Despite its wide-spread use over the past thirty years, its accuracy and clinical …
composition. Despite its wide-spread use over the past thirty years, its accuracy and clinical …
Population-scale CT-based body composition analysis of a large outpatient population using deep learning to derive age-, sex-, and race-specific reference curves
Background Although CT-based body composition (BC) metrics may inform disease risk and
outcomes, obtaining these metrics has been too resource intensive for large-scale use …
outcomes, obtaining these metrics has been too resource intensive for large-scale use …
Comparative evaluation of heart rate-based monitors: Apple Watch vs Fitbit Charge HR
The purpose of this investigation was to examine the validity of energy expenditure (EE),
steps, and heart rate measured with the Apple Watch 1 and Fitbit Charge HR. Thirty-nine …
steps, and heart rate measured with the Apple Watch 1 and Fitbit Charge HR. Thirty-nine …
How to construct, conduct and analyze an exercise training study?
Randomized controlled trials (RCTs) can be regarded as gold standard in investigating dose-
response and causal relationships in exercise science. Recommendations for exercise …
response and causal relationships in exercise science. Recommendations for exercise …
Comprehensive comparison of Apple Watch and Fitbit monitors in a free-living setting
Objectives The aim of this study was to evaluate the accuracy of three consumer-based
activity monitors, Fitbit Charge 2, Fitbit Alta, and the Apple Watch 2, all worn on the wrist, in …
activity monitors, Fitbit Charge 2, Fitbit Alta, and the Apple Watch 2, all worn on the wrist, in …
A framework to evaluate devices that assess physical behavior
SK Keadle, KA Lyden, SJ Strath… - Exercise and sport …, 2019 - journals.lww.com
• Divergence in summary estimates within and between devices obstructs efforts to pool data
and preclude betweenstudy comparisons, which are necessary to develop coherent public …
and preclude betweenstudy comparisons, which are necessary to develop coherent public …
[HTML][HTML] Standardizing analytic methods and reporting in activity monitor validation studies
Methods This article reviewed the literature on the methods used to evaluate the validity of
contemporary consumer activity monitors. A rationale for focusing on energy expenditure as …
contemporary consumer activity monitors. A rationale for focusing on energy expenditure as …
3-Dimensional optical scanning for body composition assessment: A 4-component model comparison of four commercially available scanners
GM Tinsley, ML Moore, ML Benavides, JR Dellinger… - Clinical Nutrition, 2020 - Elsevier
Background & aims Body composition assessment via 3-dimensional optical (3DO)
scanning has emerged as a rapid and simple evaluation method. The aim of this study was …
scanning has emerged as a rapid and simple evaluation method. The aim of this study was …
Agreement between self-reported pre-pregnancy weight and measured first-trimester weight in Brazilian women
T Rangel Bousquet Carrilho, K M. Rasmussen… - BMC Pregnancy and …, 2020 - Springer
Background Self-reported pre-pregnancy weight and weight measured in the first trimester
are both used to estimate pre-pregnancy body mass index (BMI) and gestational weight gain …
are both used to estimate pre-pregnancy body mass index (BMI) and gestational weight gain …