Validation of Wearable Camera Still Images to Assess Posture in Free-Living Conditions [0.03%]
可穿戴相机静止图像在自然生活条件下评估姿势的有效性验证
Julian Martinez,Autumn Decker,Chi C Cho et al.
Julian Martinez et al.
Purpose: To assess the convergent validity of body worn wearable camera (WC) still-images (IMGs) for determining posture compared with activPAL (AP) classifications. ...
An Open-Source Monitor-Independent Movement Summary for Accelerometer Data Processing [0.03%]
一种开放源码的与监控无关的加速器数据处理运动概要方法
Dinesh John,Qu Tang,Fahd Albinali et al.
Dinesh John et al.
Background: Physical behavior researchers using motion sensors often use acceleration summaries to visualize, clean, and interpret data. Such output is dependent on device specifications (e.g., dynamic range, sampling rat...
Evaluating the Performance of Sensor-based Bout Detection Algorithms: The Transition Pairing Method [0.03%]
基于传感器的运动片段检测算法性能评估：转换配对法
Paul R Hibbing,Samuel R LaMunion,Haileab Hilafu et al.
Paul R Hibbing et al.
Bout detection algorithms are used to segment data from wearable sensors, but it is challenging to assess segmentation correctness. Purpose: To present an...
Ivan A Trujillo-Priego,Judy Zhou,Inge F Werner et al.
Ivan A Trujillo-Priego et al.
Wearable sensors are being used to measure intensity of infant physical activity across full days. The variability of infant activity intensity within and across days is important to study given the potential impact of physical activity on ...
Alternative Wear-time Estimation Methods Compared to Traditional Diary Logs for Wrist-Worn ActiGraph Accelerometers in Pregnant Women [0.03%]
与传统日记记录相比，在怀孕妇女中估计佩戴时间的替代方法用于腕部安装的ActiGraph加速计
Samantha F Ehrlich,Amanda J Casteel,Scott E Crouter et al.
Samantha F Ehrlich et al.
Background: This study sought to compare three sensor-based wear-time estimation methods to conventional diaries for ActiGraph wGT3X-BT accelerometers worn on the non-dominant wrist in early pregnancy. ...
Scott E Crouter,Paul R Hibbing,Samuel R LaMunion
Scott E Crouter
The purpose of the study was to conduct a comprehensive evaluation of the ActiGraph GT3X+ (AG) and activPAL (AP) for assessing time spent in sedentary behaviors (SB) in youth using structured and free-living activities. Forty-four participa...
Kelly R Evenson,Camden L Spade
Kelly R Evenson
Purpose: A systematic review to summarize the validity and reliability of steps, distance, energy expenditure, speed, elevation, heart rate, and sleep assessed by Garmin activity trackers. ...
Responsiveness of Device-Based and Self-Report Measures of Physical Activity to Detect Behavior Change in Men Taking Part in the Football Fans in Training (FFIT) Program [0.03%]
用于检测参加足球粉丝训练计划的男性行为变化的身体活动设备测量和自我报告量表的灵敏度
Craig Donnachie,Kate Hunt,Nanette Mutrie et al.
Craig Donnachie et al.
The capacity of physical activity (PA) measures to detect changes in PA within interventions is crucial. This is the first study to examine the responsiveness of activPAL3™ and the International Physical Activity Questionnaire (IPAQ; Short...
Longitudinal Change in Adolescent Bedtimes Measured by Self-Report and Actigraphy [0.03%]
纵向测量青少年就寝时间的变化(self-report和actigraphy)
Robert J Brychta,Vaka Rögnvaldsdóttir,Sigriður L Guðmundsdóttir et al.
Robert J Brychta et al.
Introduction: Sleep is often quantified using self-report or actigraphy. Self-report is practical and less technically challenging, but prone to bias. We sought to determine whether these methods have comparable sensitivi...
Unique Views on Obesity-Related Behaviors and Environments: Research Using Still and Video Images [0.03%]
关于与肥胖有关的行为和环境的独特观点——使用静态图片和视频的研究
Jordan A Carlson,J Aaron Hipp,Jacqueline Kerr et al.
Jordan A Carlson et al.
Objectives: To document challenges to and benefits from research involving the use of images by capturing examples of such research to assess physical activity- or nutrition-related behaviors and/or environments. ...