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https://www.readbyqxmd.com/read/27919170/validation-of-the-fitbit-one-garmin-vivofit-and-jawbone-up-activity-tracker-in-estimation-of-energy-expenditure-during-treadmill-walking-and-running
#1
Kym Price, Stephen R Bird, Noel Lythgo, Isaac S Raj, Jason Y L Wong, Chris Lynch
OBJECTIVES: To determine the validity of energy expenditure estimation made by the Fitbit One, Garmin Vivofit and Jawbone UP activity trackers during treadmill walking and running. Determining validity of such trackers will inform the interpretation of the data they generate. DESIGN: Cross-sectional study. METHOD: Fourteen adults walked at 0.70, 1.25, 1.80 ms(-1) and ran at 2.22, 2.78, 3.33 ms(-1) on a treadmill wearing a Fitbit One, Garmin Vivofit and Jawbone UP...
December 5, 2016: Journal of Medical Engineering & Technology
https://www.readbyqxmd.com/read/27912681/how-valid-are-wearable-physical-activity-trackers-for-measuring-steps
#2
Hyun-Sung An, Gregory C Jones, Seoung-Ki Kang, Gregory J Welk, Jung-Min Lee
Wearable activity trackers have become popular for tracking individual's daily physical activity, but little information is available to substantiate the validity of these devices in step counts. Thirty-five healthy individuals completed three conditions of activity tracker measurement: walking/jogging on a treadmill, walking over-ground on an indoor track, and a 24-hour free-living condition. Participants wore 10 activity trackers at the same time for both treadmill and over-ground protocol. Of these 10 activity trackers three were randomly given for 24-hour free-living condition...
December 2, 2016: European Journal of Sport Science
https://www.readbyqxmd.com/read/27909945/individual-differences-in-diurnal-preference-and-time-of-exercise-interact-to-predict-exercise-frequency
#3
Garrett C Hisler, Alison L Phillips, Zlatan Krizan
BACKGROUND: Diurnal preference (and chronotype more generally) has been implicated in exercise behavior, but this relation has not been examined using objective exercise measurements nor have potential psychosocial mediators been examined. Furthermore, time-of-day often moderates diurnal preference's influence on outcomes, and it is unknown whether time-of-exercise may influence the relation between chronotype and exercise frequency. PURPOSE: The current study examined whether individual differences in diurnal preference ("morningness-eveningness") predict unique variance in exercise frequency and if commonly studied psychosocial variables mediate this relation (i...
December 1, 2016: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/27900173/how-accurate-are-the-wrist-based-heart-rate-monitors-during-walking-and-running-activities-are-they-accurate-enough
#4
Sarah E Stahl, Hyun-Sung An, Danae M Dinkel, John M Noble, Jung-Min Lee
BACKGROUND: Heart rate (HR) monitors are valuable devices for fitness-orientated individuals. There has been a vast influx of optical sensing blood flow monitors claiming to provide accurate HR during physical activities. These monitors are worn on the arm and wrist to detect HR with photoplethysmography (PPG) techniques. Little is known about the validity of these wearable activity trackers. AIM: Validate the Scosche Rhythm (SR), Mio Alpha (MA), Fitbit Charge HR (FH), Basis Peak (BP), Microsoft Band (MB), and TomTom Runner Cardio (TT) wireless HR monitors...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27898460/a-pilot-comparison-of-a-smartphone-app-with-or-without-2-way-messaging-among-chronic-pain-patients-who-benefits-from-a-pain-app
#5
Robert N Jamison, Dylan C Jurcik, Robert R Edwards, Chuan-Chin Huang, Edgar L Ross
OBJECTIVES: The overall aim of this study was to determine the effect of introducing a smartphone pain app, for both Android and iPhone devices that enables chronic pain patients to assess, monitor, and communicate their status to their providers. METHODS: This study recruited 105 chronic pain patients to use a smartphone pain app and half of the subjects (N=52) had 2-way messaging available through the app. All subjects completed baseline measures and were asked to record their progress every day for 3 months, with the opportunity to continue for 6 months...
November 24, 2016: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27896433/continuous-daily-assessment-of-multiple-sclerosis-disability-using-remote-step-count-monitoring
#6
V J Block, A Lizée, E Crabtree-Hartman, C J Bevan, J S Graves, R Bove, A J Green, B Nourbakhsh, M Tremblay, P-A Gourraud, M Y Ng, M J Pletcher, J E Olgin, G M Marcus, D D Allen, B A C Cree, J M Gelfand
Disability measures in multiple sclerosis (MS) rely heavily on ambulatory function, and current metrics fail to capture potentially important variability in walking behavior. We sought to determine whether remote step count monitoring using a consumer-friendly accelerometer (Fitbit Flex) can enhance MS disability assessment. 99 adults with relapsing or progressive MS able to walk ≥2-min were prospectively recruited. At 4 weeks, study retention was 97% and median Fitbit use was 97% of days. Substudy validation resulted in high interclass correlations between Fitbit, ActiGraph and manual step count tally during a 2-minute walk test, and between Fitbit and ActiGraph (ICC = 0...
November 28, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27887786/validity-and-reliability-of-fitbit-activity-monitors-compared-to-actigraph-gt3x-with-female-adults-in-a-free-living-environment
#7
Ryan E R Reid, Jessica A Insogna, Tamara E Carver, Andrea M Comptour, Nicole A Bewski, Cristina Sciortino, Ross E Andersen
OBJECTIVES: Inexpensive activity monitors have recently gained popularity with the general public. Researchers have evaluated these consumer-based monitors in laboratory-conditions. Given the current wide-spread consumer use of these devices, it is important to ensure users are attaining accurate information compared to previously validated measures. This study investigates the accuracy of Fitbit One and Flex activity monitors in measuring steps, sedentary time, and time spent in light, moderate, and vigorous intensity activities with ActiGraph GT3X+ with female adults in free-living conditions...
November 16, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27881359/feasibility-and-effectiveness-of-using-wearable-activity-trackers-in-youth-a-systematic-review
#8
REVIEW
Nicola D Ridgers, Melitta A McNarry, Kelly A Mackintosh
BACKGROUND: The proliferation and popularity of wearable activity trackers (eg, Fitbit, Jawbone, Misfit) may present an opportunity to integrate such technology into physical activity interventions. While several systematic reviews have reported intervention effects of using wearable activity trackers on adults' physical activity levels, none to date have focused specifically on children and adolescents. OBJECTIVE: The aim of this review was to examine the effectiveness of wearable activity trackers as a tool for increasing children's and adolescents' physical activity levels...
November 23, 2016: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/27869582/implementing-and-using-a-patient-portal-a-qualitative-exploration-of-patient-and-provider-perspectives-on-engaging-patients
#9
Bridget L Ryan, Judith Belle Brown, Amanda Terry, Sonny Cejic, Moira Stewart, Amardeep Thind
BACKGROUND: The use of portals might be expected to rise; however, adoption has been slow. Development of portals has occurred with limited patient involvement. This paper fills a need for literature concerning perspectives regarding the value of portals, how best to organize and provide portals, and critically how to seek patient involvement in implementation.ObjectiveThe objective was to explore the feelings, ideas, and expectations of patients and primary care providers concerning the implementation and use of patient portals...
July 4, 2016: Journal of Innovation in Health Informatics
https://www.readbyqxmd.com/read/27818843/is-there-an-association-of-physical-activity-with-brain-volume-behavior-and-day-to-day-functioning-a-cross-sectional-design-in-prodromal-and-early-huntington-disease
#10
McKenzie Wallace, Nancy Downing, Spencer Lourens, James Mills, Ji-In Kim, Jeffrey Long, Jane Paulsen, Predict-Hd Investigators And Coordinators Of The Huntington Study Group
BACKGROUND: Huntington disease (HD) is a genetic neurodegenerative disease leading to progressive motor, cognitive, and behavioral decline. Subtle changes in these domains are detectable up to 15 years before a definitive motor diagnosis is made. This period, called prodromal HD, provides an opportunity to examine lifestyle behaviors that may impact disease progression. THEORETICAL FRAMEWORK: Physical activity relates to decreased rates of brain atrophy and improved cognitive and day-to-day functioning in Alzheimer disease and healthy aging populations...
March 17, 2016: PLoS Currents
https://www.readbyqxmd.com/read/27803634/validation-of-biofeedback-wearables-for-photoplethysmographic-heart-rate-tracking
#11
Edward Jo, Kiana Lewis, Dean Directo, Michael J Kim, Brett A Dolezal
The purpose of this study was to examine the validity of HR measurements by two commercial-use activity trackers in comparison to ECG. Twenty-four healthy participants underwent the same 77-minute protocol during a single visit. Each participant completed an initial rest period of 15 minutes followed by 5 minute periods of each of the following activities: 60W and 120W cycling, walking, jogging, running, resisted arm raises, resisted lunges, and isometric plank. In between each exercise task was a 5-minute rest period...
September 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27803219/the-monitoring-of-activity-at-home-after-total-hip-arthroplasty
#12
P A Toogood, M P Abdel, J A Spear, S M Cook, D J Cook, M J Taunton
AIMS: Total hip arthroplasty (THA) has well known subjective benefits, but little is known objectively about the recovery of mobility in the early post-operative period. PATIENTS AND METHODS: A total of 33 patients aged > 60 years who underwent elective primary THA had their activity monitored for 30 days post-operatively using an at-home (Fitbit) ankle accelerometer. Their mean age was 70.7 years (61 to 86); 15 (45.5%) were female. The rate of compliance and the mean level of activity were determined...
November 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27800565/dose-and-timing-of-text-messages-for-increasing-physical-activity-among-pregnant-women-a-randomized-controlled-trial
#13
Jennifer L Huberty, Matthew P Buman, Jenn A Leiferman, Jessica Bushar, Eric B Hekler, Marc A Adams
Text4baby (T4b), a free nation-wide mobile health information service, delivers health-related text messages (SMS) to pregnant women. The objective of this study was to determine the effectiveness of physical activity (PA) specific SMS to improve PA in pregnant women (vs standard T4b) and the most effective dose/timing of PA-specific SMS to improve PA. Pregnant women (N = 80) were randomized to one of four groups that differed in frequency and time of SMS. The Fitbit™ Flex measured PA. Data were analyzed using mixed model analyses...
October 31, 2016: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/27757986/acceptability-of-mhealth-technology-for-self-monitoring-eating-and-activity-among-rural-men
#14
Christine M Eisenhauer, Patricia A Hageman, Sheri Rowland, Betsy J Becker, Susan A Barnason, Carol H Pullen
OBJECTIVE: To examine rural men's use and perceptions of mobile and wireless devices to self-monitor eating and physical activity (mHealth). DESIGN AND SAMPLE: Men in this 3-week pilot study used FitBit One(®) to log daily food intake and monitor activity. A companion application (app) allowed activity monitoring of fellow participants. Health-related text messages were received 1-3 times daily. A purposive sample of 12 rural men (ages 40-67) was recruited by community leaders...
October 18, 2016: Public Health Nursing
https://www.readbyqxmd.com/read/27753558/pedometry-to-prevent-cardiorespiratory-fitness-decline-is-it-effective
#15
Robert M Lystrup, Gordon F West, Cara Olsen, Matthew Ward, Mark B Stephens
INTRODUCTION: Physically active providers are more likely to prescribe exercise. Unfortunately, many become sedentary during their training. We examined pedometry as an incentive to promote physical activity in a cohort of medical students. METHODS: This was a prospective, unblinded clinical trial of pedometry. 107 preclinical medical students volunteered. 50 students received Fitbit pedometers and 57 served as controls. All students ran 1.5- or 2-mile timed runs before pedometer issue, and again 1 year after...
October 2016: Military Medicine
https://www.readbyqxmd.com/read/27717766/effectiveness-of-activity-trackers-with-and-without-incentives-to-increase-physical-activity-trippa-a-randomised-controlled-trial
#16
Eric A Finkelstein, Benjamin A Haaland, Marcel Bilger, Aarti Sahasranaman, Robert A Sloan, Ei Ei Khaing Nang, Kelly R Evenson
BACKGROUND: Despite the increasing popularity of activity trackers, little evidence exists that they can improve health outcomes. We aimed to investigate whether use of activity trackers, alone or in combination with cash incentives or charitable donations, lead to increases in physical activity and improvements in health outcomes. METHODS: In this randomised controlled trial, employees from 13 organisations in Singapore were randomly assigned (1:1:1:1) with a computer generated assignment schedule to control (no tracker or incentives), Fitbit Zip activity tracker, tracker plus charity incentives, or tracker plus cash incentives...
December 2016: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/27708073/exploring-path-models-of-disablement-in-residential-care-and-assisted-living-residents
#17
Lorraine J Phillips, Gregory F Petroski, Vicki S Conn, Marybeth Brown, Emily Leary, Linda Teri, Sheryl Zimmerman
This study examined the relationships between individual and environmental factors and physical activity, and between physical activity and functional limitations and disability in residential care/assisted living (RC/AL) residents. Participants completed questionnaires and physical performance tests, and wore the Fitbit Motion Tracker® to capture physical activity. Model fit was analyzed using two-level path models with residents nested within RC/AL settings. Model parameters were estimated using the MPlus robust maximum likelihood method...
October 4, 2016: Journal of Applied Gerontology: the Official Journal of the Southern Gerontological Society
https://www.readbyqxmd.com/read/27673010/poster-252-use-of-fitbit-charge-hr-for-management-of-post-concussive-syndrome-a-case-report
#18
Leroy R Lindsay, Heechin Chae
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27644334/physical-activity-assessment-between-consumer-and-research-grade-accelerometers-a-comparative-study-in-free-living-conditions
#19
Gregory M Dominick, Kyle N Winfree, Ryan T Pohlig, Mia A Papas
BACKGROUND: Wearable activity monitors such as Fitbit enable users to track various attributes of their physical activity (PA) over time and have the potential to be used in research to promote and measure PA behavior. However, the measurement accuracy of Fitbit in absolute free-living conditions is largely unknown. OBJECTIVE: To examine the measurement congruence between Fitbit Flex and ActiGraph GT3X for quantifying steps, metabolic equivalent tasks (METs), and proportion of time in sedentary activity and light-, moderate-, and vigorous-intensity PA in healthy adults in free-living conditions...
September 19, 2016: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/27615711/a-home-based-physical-activity-intervention-using-activity-trackers-in-survivors-of-childhood-cancer-a-pilot-study
#20
Alyssa Le, Hannah-Rose Mitchell, Daniel J Zheng, Jaime Rotatori, John T Fahey, Kirsten K Ness, Nina S Kadan-Lottick
BACKGROUND: Over 70% of childhood cancer survivors develop late complications from therapy, many of which can be mitigated by physical activity. Survivors engage in exercise at similar or lower rates than their sedentary healthy peers. We piloted a novel home-based exercise intervention with a motivational activity tracker. We evaluated (i) feasibility, (ii) impact on activity levels and physical fitness, and (iii) barriers, preferences, and beliefs regarding physical activity. METHODS: Childhood cancer survivors currently 15 years or older and not meeting the Centers for Disease Control and Prevention physical activity guidelines were enrolled and instructed to wear the Fitbit One, a 4...
September 12, 2016: Pediatric Blood & Cancer
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