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Fall Risk Prediction Model For Older Men And Women Based On Ambulatory Physical Activity Level – A Cross-Sectional Population-Based Study From The Oporto Region, Paulo Jorge Quintela Cardoso-Carmo, Adjane Maria Pontes César, Manuel Rubim Silva Santos, Maria Joana Mesquita Barbosa De Carvalho

Baltic Journal of Health and Physical Activity

Introduction. Falls among the elderly are an important community health problem due to its high incidence, functional and social repercussion. Dissimilar results arose in recent studies concerning fall risk and physical activity levels. This study measures the association between physical activity (PA) levels, and fall risk (FR), investigates which levels of PA are influential in FR and presents a fall risk prediction models for the elderly. Material and Methods. One hundred and seventy elderly adults (72.34 ± 6.70 years old, 124 female), completed Performance-Orientated-Mobility-Assessment; PA was assessed by accelerometry. Pearson’s correlation verified the association between FR, Age, and PA. Multiple …

Children’S Segment Specific Moderate To Vigorous Physical Activity Through A School-Initiated Physical Activity Program, Arto Gråstén

Baltic Journal of Health and Physical Activity

Background: Since less than one-third of 13-year-olds in many Western countries meet the physical activity guidelines, there is a major need to promote physical activity. The aim of this study was to examine children’s segment specific moderate to vigorous physical activity (MVPA) through the school-initiated program. Material/Methods: The sample comprised 76 Finnish elementary school children. Accelerometers were used to investigate the patterns of segmented MVPA through 2012-2014. Repeated Measures Analysis was implemented to summarize variability between time and segments of MVPA. Results: The examination of children’s MVPA revealed that their total, weekend, and before-school activity were significant predictors for their …

Comparing The Physical Activity Patterns Of 3-Year-Old Finnish And Australian Children During Childcare And Homecare Days, Anne Soini, Anthony Watt, Tuija Tammelin, Markus Soini, Arja Sääkslahti, Marita Poskiparta

Baltic Journal of Health and Physical Activity

Background: Limited previous research has contrasted physical activity (PA) patterns in preschool children across different hourly patterns or segments of day, or adopted similar methodologies to compare the PA behaviors of children from different countries. The purpose of this study was to examine how the PA levels and patterns differed between 3- year-olds within and between childcare and homecare days in Finland and Australia. Material/Methods: ActiGraph GT3X accelerometers were used to monitor 121 (80 Finnish, 41 Australian) children’s PA for five consecutive days. Results: No significant country differences were observed in children’s daily total PA (light-tovigorous PA [LMVPA]), except that …

Promotoras’ Current Lifestyle Behavior And The Influence On Body Composition And Physical Function, Dana Day, Sonio David Garcia, Alexis Ortiz, Aliyah Medina, Andrea Guerrero, Corina Zamora, Deborah Parra-Medina, Daniel Hughes

International Journal of Exercise Science: Conference Proceedings

PURPOSE: A significant public health problem is the increased quantity of time spent sedentary. Although promotoras, Spanish for community health workers, are being utilized to promote health behaviors along the South Texas-Mexico Rio Grande Valley (RGV) border region, Latinas are among the most physically inactive and obese segment of the US population. The purpose of this study was to identify the current lifestyle behaviors impact on body composition and physical functioning. METHODS: We conducted an analysis of the recorded body position (sitting, standing and recumbent) from an accelerometer versus the percentage of body fat and the estimated cardiorespiratory function …

Effects Of A Head Start Obesity Prevention Pilot On Preschoolers’ Physical Activity, Shiyu Li, Azeem A. Hussain, Fernando Juarez, Vanessa Estrada, Erica Sosa, Derek P. Hales, Zenong Yin

International Journal of Exercise Science: Conference Proceedings

Regular participation in physical activity (PA) is important for the healthy growth and development of preschoolers. The Míranos! Look at Us We Are Healthy (Míranos!) is an obesity prevention intervention with age-appropriate structured and unstructured outdoor/indoor play and classroom activities led by teacher. As an objective instrument to provide information on human movements, accelerometer can accurately identify the levels of physical activity and assess the effects of physical activity intervention. PURPOSE: to evaluate the effects of an 8-week Míranos! pilot intervention on increasing physical activity levels during school time in preschoolers. METHODS: Study participants were children aged 3-5 years enrolled …

Wrist-Based Accelerometer Cut-Points To Identify Sedentary Time In 5-11-Year-Old Children, Jessica Chandler, Michael W. Beets, Pedro Saint-Maurice, Robert Glenn Weaver, Dylan P. Cliff, Clemens Drenowatz, Justin B. Moore, Xuemei Sui, Keith Brazendale

Faculty of Social Sciences - Papers (Archive)

Background: The objective of this paper is to derive a wrist-placed cut-point threshold for distinguishing sedentary behaviors from light-intensity walking using the ActiGraph GT3X+ in children. Methods: This study employed a cross-sectional study design, typically used in measurement-related studies. A sample of 167 children, ages 5-11 years (mean ± SD: 8.0 ± 1.8 years), performed up to eight seated sedentary activities while wearing accelerometers on both wrists. Activities included: reading books, sorting cards, cutting and pasting, playing board games, eating snacks, playing with tablets, watching TV, and writing. Direct observation verified sedentary behavior from light activity. Receiver operator characteristic (ROC) …

Gopher Fitstep Pro Accuracy When Measuring Steps And Moderate-To-Vigorous Physical Activity, Ali S. Brian, Justin A. Haegele

Faculty Publications

Background: The Gopher FITStep Pro (GFSP) is a commercially available objective physical activity monitor that records steps taken and moderate-to-vigorous physical activity (MVPA).

Objective: The purpose of this study was to evaluate the accuracy of the GFSP for measuring steps taken in a guided walking condition and MVPA during planned fitness activities.

Method: University-aged participants (N = 35, M_age = 20) wore two GFSP (right and left side) pedometers and one ActiGraph GT3X+ accelerometer during both conditions.

Results: Paired samples t-tests determined that self-step counts in the guided walking condition were not significantly different than the right side GFSP …

Gopher Fitstep Pro Accuracy When Measuring Steps And Moderate-To-Vigorous Physical Activity, Ali Brian, Justin A. Haegele

Human Movement Sciences & Special Education Faculty Publications

Background: The Gopher FITStep Pro (GFSP) is a commercially available objective physical activity monitor that records steps taken and moderate-to-vigorous physical activity (MVPA).

Objective: The purpose of this study was to evaluate the accuracy of the GFSP for measuring steps taken in a guided walking condition and MVPA during planned fitness activities.

Method: University-aged participants (N = 35, M_age = 20) wore two GFSP (right and left side) pedometers and one ActiGraph GT3X+ accelerometer during both conditions.

Results: Paired samples t-tests determined that self-step counts in the guided walking condition were not significantly different …

Using Wii Technology And Experiential Learning To Teach Newtonian Mechanics To Rural Middle School Students, Joseph S. Dvorak, Tanya C. Franke-Dvorak, Shane Neel

Biosystems and Agricultural Engineering Faculty Publications

This study looked at the effects of an experiential learning activity using the accelerometer in the Wii Remote to teach basic concepts of Newtonian mechanics, e.g., acceleration, to middle school students in a rural school district. A major prerequisite for students at the mid-level in biosystems engineering programs is that they have a good knowledge of basic science, including physics. Education in these concepts must begin before college, such as at the middle school level. Improvements in science education are vitally necessary to achieve essential learning outcomes for middle school students in the U.S. and to prepare these students for …

Validity Of Physical Activity Monitors For Assessing Lower Intensity Activity In Adults, M. Andrés Calabró, Jung-Min Lee, Pedro F. Saint-Maurice, Hyelim Yoo, Gregory J. Welk

Health and Kinesiology Faculty Publications

Background: Accelerometers can provide accurate estimates of moderate-to-vigorous physical activity (MVPA).However, one of the limitations of these instruments is the inability to capture light activity within an acceptablerange of error. The purpose of the present study was to determine the validity of different activity monitors forestimating energy expenditure (EE) of light intensity, semi-structured activities.
Methods: Forty healthy participants wore a SenseWear Pro3 Armband (SWA, v.6.1), the SenseWear Mini, theActiheart, ActiGraph, and ActivPAL monitors, while being monitored with a portable indirect calorimetry (IC).Participants engaged in a variety of low intensity activities but no formalized scripts or protocols were usedduring …

Examination Of Different Accelerometer Cut-Points For Assessing Sedentary Behaviors In Children, Youngwon Kim, Jung-Min Lee, Bradley P. Peters, Glenn A. Gaesser, Gregory J. Welk

Health and Kinesiology Faculty Publications

Background: Public health research on sedentary behavior (SB) in youth has heavily relied on accelerometers. However, ithas been limited by the lack of consensus on the most accurate accelerometer cut-points as well as by unknown effectscaused by accelerometer position (wrist vs. hip) and output (single axis vs. multiple axes). The present study systematicallyevaluates classification accuracy of different Actigraph cut-points for classifying SB using hip and wrist-worn monitors andestablishes new cut-points to enable use of the 3-dimensional vector magnitude data (for both hip and wrist placement).
Methods: A total of 125 children ages 7–13 yrs performed 12 randomly selected …

Mother-Reported Sleep, Accelerometer-Estimated Sleep, And Weight Status In Mexican American Children: Sleep Duration Is Associated With Increased Adiposity And Risk For Overweight/Obese Status, Suzanna M. Martinez, Louise C. Greenspan, Nancy F. Butte, Steven E. Gregorich, Cynthia L. De Groat, Julianna Deardorff, Carlos Penilla, Lauri A. Pasch, Elena Flores, Jeanne M. Tschann

School of Education Faculty Research

We know of no studies comparing parent-reported sleep with accelerometer-estimated sleep in their relation to pediatric adiposity. We examined: 1) the reliability of mother-reported sleep compared with accelerometer-estimated sleep, and 2) the relationship between both sleep measures and child adiposity. The current cross-sectional study included 304 Mexican American mother-child pairs recruited from Kaiser Permanente Northern California. We measured sleep duration, using maternal report and accelerometry, and child anthropometrics. Concordance between sleep measures was evaluated using the Bland-Altman method. We conducted zero-ordered correlations between mother-reported sleep, accelerometer-estimated sleep and child BMI z-scores (BMIz). Using linear regression, we examined three models to …

Calibration Of Built-In Accelerometer Using A Commercially Available Smartphone, Jung-Min Lee, Youngwon Kim, Yi-Suk Kwon, Timothy R. Derrick, Gregory J. Welk

Research Presentations

Wearable trackers that detect sleep offer users a way to track their sleep quality and patterns without the use of expensive equipment. Few studies have tested the validity of these trackers on sleep measure. PURPOSE: To examine the validity of the Actigraph GT9X (AG), SenseWear Mini Armband (SW), Basis Peak (BP), Fitbit Charge HR (FB), Jawbone UP3 (JU), and Garmin Vivosmart (GV) for estimating sleep variables as compared with a sleep diary. METHODS: 78 healthy individuals participated in the study. Group 1 (n= 38) and wore the AG, SW, BP, and FB or Group 2 (n = 40) …

Measuring Adolescent Boys' Physical Activity: Bout Length And The Influence Of Accelerometer Epoch Length, Taren Sanders, Dylan Cliff, Chris Lonsdale

Faculty of Social Sciences - Papers (Archive)

Objectives

Accurate, objective measurement is important for understanding adolescents' physical activity (PA) behaviour. When using accelerometry to objectively measure PA, a decision must be made regarding how frequently data is recorded (i.e., epoch length). The purpose of this study was to examine i) PA bout length, and ii) the effect of variations in accelerometer epoch length on PA estimates during physical education (PE) and leisure time in adolescent boys.

Design

Cross-sectional study.

Methods

Year 9 boys (N=133; mean age ±SD =14.36±0.48 years) wore accelerometers during two PE lessons, and for a period of seven consecutive days. Data were reintegrated from …

Relative Validity Of 3 Accelerometer Models For Estimating Energy Expenditure During Light Activity, Alexander Allan Wetten, Marijka Batterham, Sze Yen Tan, Linda Tapsell

Faculty of Social Sciences - Papers (Archive)

Background: With physical inactivity inextricably linked to the increasing prevalence of obesity, there is a need for validated methods that measure free-living energy expenditure (EE) within sedentary environments. While accelerometers enable these measurements, few studies have compared device accuracy in such settings. The aim of this study was to investigate the relative validity of the Actigraph, RT3 and SenseWear Armband (SWA). Methods: Twenty-three (11 male, 12 female) participants (age: 25.3 ± 6.3 yr; BMI: 22.6 ± 2.7) wore 3 accelerometers at designated sites during a 4-hour stay in the Whole Room Calorimeter (WRC). Participants performed 2 10-minute bouts of light-intensity …