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https://www.readbyqxmd.com/read/29210326/comparative-evaluation-of-heart-rate-based-monitors-apple-watch-vs-fitbit-charge-hr
#1
Yang Bai, Paul Hibbing, Constantine Mantis, Gregory J Welk
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 healthy adults wore the two monitors while completing a semi-structured activity protocol consisting of 20 minutes of sedentary activity, 25 minutes of aerobic exercise, and 25 minutes of light intensity physical activity. Criterion measures were obtained from an Oxycon Mobile for EE, a pedometer for steps, and a Polar heart rate strap worn on the chest for heart rate...
December 6, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29207962/a-partially-supervised-physical-activity-program-for-adult-and-adolescent-survivors-of-childhood-cancer-surfit-study-design-of-a-randomized-controlled-trial-nct02730767
#2
Corina S Rueegg, Susi Kriemler, Simeon J Zuercher, Christina Schindera, Andrea Renner, Helge Hebestreit, Christian Meier, Prisca Eser, Nicolas X von der Weid
BACKGROUND: Beyond survival of nowadays >80%, modern childhood cancer treatment strives to preserve long-term health and quality of life. However, the majority of today's survivors suffer from short- and long-term adverse effects such as cardiovascular and pulmonary diseases, obesity, osteoporosis, fatigue, depression, and reduced physical fitness and quality of life. Regular exercise can play a major role to mitigate or prevent such late-effects. Despite this, there are no data on the effects of regular exercise in childhood cancer survivors from randomized controlled trials (RCTs)...
December 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29206627/promoting-physical-activity-in-copd-insights-from-a-randomized-trial-of-a-web-based-intervention-and-pedometer-use
#3
Emily S Wan, Ana Kantorowski, Diana Homsy, Merilee Teylan, Reema Kadri, Caroline R Richardson, David R Gagnon, Eric Garshick, Marilyn L Moy
RATIONALE: Low physical activity is highly prevalent among COPD patients and is associated with increased healthcare utilization and mortality and reduced HRQL. The addition of a website to pedometer use is effective at increasing physical activity; however, the timeline of change and impact of environmental factors on efficacy is unknown. METHODS: U.S. Veterans with COPD were randomized (1:1) to receive either (1) a pedometer and website which provided goal-setting, feedback, disease-specific education, and an online community forum or (2) pedometer alone for 3 months...
September 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/29179653/walk-this-way-validity-evidence-of-iphone-health-application-step-count-in-laboratory-and-free-living-conditions
#4
Markus J Duncan, Kelly Wunderlich, Yingying Zhao, Guy Faulkner
Several attempts have been made to demonstrate the accuracy of the iPhone pedometer function in laboratory test conditions. However, no studies have attempted to evaluate evidence of convergent validity of the iPhone step counts as a surveillance tool in the field. This study takes a pragmatic approach to evaluating Health application derived iPhone step counts by measuring accuracy of a standardized criterion iPhone SE and a heterogeneous sample of participant owned iPhones (6 or newer) in a laboratory condition, as well as comparing personal iPhones to accelerometer derived steps in a free-living test...
November 28, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29167695/total-energy-expenditure-of-10-to-12-year-old-japanese-children-measured-using-the-doubly-labeled-water-method
#5
Keisuke Komura, Satoshi Nakae, Kazufumi Hirakawa, Naoyuki Ebine, Kazuhiro Suzuki, Haruo Ozawa, Yosuke Yamada, Misaka Kimura, Kojiro Ishii
Background: To establish Japanese children's estimated energy requirements, total energy expenditure (TEE) data measured using the doubly labeled water (DLW) method is needed. This study aimed to 1) obtain basic TEE data from Japanese children measured using DLW (TEEDLW), 2) compare TEEDLW with TEE estimated by various estimation formulas to calculate their accuracy, and 3) develop a new equation to estimate TEE using body composition and pedometers. Methods: TEE was measured using DLW in 56 10- to 12-year-old Japanese children (33 boys, 23 girls)...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29166291/job-stress-in-young-adults-is-associated-with-a-range-of-poorer-health-behaviours-in-the-childhood-determinants-of-adult-health-cdah-study
#6
Shuo Wang, Kristy Sanderson, Terence Dwyer, Alison Venn, Seana Gall
OBJECTIVE: To examine job stress and health behaviours, including their co-occurrence, in Australians aged 31-41 year assessed in 2009-11. METHODS: Cross-sectional analyses using multivariable regression models of the association between the Effort Reward Imbalance (ERI) scale and health behaviours (smoking, alcohol consumption, diet, physical activity and BMI) both individually and co-occurring (0-3 versus 4-5 behaviours) were undertaken. Covariates included sociodemographics, personality and life events...
November 21, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29165018/efficacy-of-an-individually-tailored-internet-mediated-physical-activity-intervention-in-older-adults-a-randomized-controlled-trial
#7
Taylor W Rowley, Elizabeth K Lenz, Ann M Swartz, Nora E Miller, Hotaka Maeda, Scott J Strath
OBJECTIVE: This study determined the effectiveness of an individually tailored, Internet-mediated physical activity (PA) intervention for increasing walking behavior in inactive older adults. METHOD: This 12-week randomly controlled intervention divided participants ( N = 170) into three groups: control (CON, n = 51), pedometer only (PED, n = 62), and an individually tailored, Internet-mediated pedometer (TI-PED, n = 57) group. The PED group was instructed to increase weekly step count by 10% until 10,000 steps per day was achieved...
October 1, 2017: Journal of Applied Gerontology: the Official Journal of the Southern Gerontological Society
https://www.readbyqxmd.com/read/29155845/effect-of-actigraph-s-low-frequency-extension-for-estimating-steps-and-physical-activity-intensity
#8
Yuri Feito, Lyndsey M Hornbuckle, Lauren A Reid, Scott E Crouter
This study examined the effects of the ActiGraph's (AG) low-frequency extension (LFE) filter on steps and physical activity classification in the free-living environment. Thirty-four African-American women (age, 24.5±5.2 years; BMI, 24.9±4.5 kg/m2) had daily activity measured simultaneously with an AG-GT3X+ accelerometer and a New Lifestyles NL-800 pedometer for seven days. Steps per day (steps/day) and time (minutes/day) spent in sedentary, light, and moderate-to-vigorous physical activity (MVPA) were examined with and without the LFE filter (AG-LFE and AG-N, respectively)...
2017: PloS One
https://www.readbyqxmd.com/read/29154738/validation-of-a-pedometer-algorithm-as-a-tool-for-evaluation-of-locomotor-behaviour-in-dairy-mediterranean-buffalo
#9
Luigi D'Andrea, Jacopo Guccione, Maher Alsaaod, Ramona Deiss, Antonio Di Loria, Adrian Steiner, Paolo Ciaramella
This research communication validates an algorithm to monitor natural occurrence of locomotor behaviours in dairy Mediterranean buffalo based on the output of a 3-dimensional accelerometer (RumiWatch®, pedometer). Several characteristics of the locomotor behaviour were detected with a very high (up-right, lying and standing time) or high degree of correlation (walking time and number of strides) and a low mean difference with the video recording. The proportion of correctly detected events exceeded 99 % for the following variables: stand up and lie down events, as well as number of lying, standing or walking bouts...
November 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/29153168/a-100-year-review-mammary-development-and-lactation
#10
R Michael Akers
What is old is new again-and with respect to the study of the mammary development and function in dairy animals, the expression resonates. Many of the mammary and milk production questions raised in the early years of the Journal of Dairy Science apply today. To be sure, scientists have filled in many details regarding, for example, identification of hormones and growth factors important in the control of mammary growth, the onset of copious milk production at calving, and maintenance of lactation. Early years focused on identification and subsequent availability of classic mammogenic, lactogenic, and galactopoietic hormones (e...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29148088/effectiveness-of-an-intensive-intervention-to-improve-lifestyles-in-subjects-with-intermediate-cardiovascular-risk-date-study-study-protocol-for-a-randomized-controlled-trial
#11
Natalia Sanchez-Aguadero, Sara Mora-Simon, Jose I Recio-Rodriguez, Rosario Alonso-Dominguez, Jesus Gonzalez-Sanchez, Cristina Martin-Martin, Manuel A Gomez-Marcos, Emiliano Rodriguez-Sanchez
AIM: To evaluate the effectiveness of an intensive intervention led by primary care nurses for lifestyle modification among subjects with intermediate cardiovascular risk. BACKGROUND: Cardiovascular diseases may be prevented by adopting healthy lifestyles. Interventions focused on populations at risk are more efficient than those aimed at the general population. More than 50 per cent of cardiovascular events occur in subjects with intermediate cardiovascular risk, but only a few studies have targeted this population...
November 17, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/29146660/changing-physical-activity-behaviour-for-people-with-multiple-sclerosis-protocol-of-a-randomised-controlled-feasibility-trial-istep-ms
#12
Jennifer M Ryan, Jennifer Fortune, Andrea Stennett, Cherry Kilbride, Nana Anokye, Christina Victor, Wendy Hendrie, Mohamed Abdul, Lorraine DeSouza, Grace Lavelle, Debbie Brewin, Lee David, Meriel Norris
INTRODUCTION: Although physical activity may reduce disease burden, fatigue and disability, and improve quality of life among people with multiple sclerosis (MS), many people with MS are physically inactive and spend significant time in sedentary behaviour. Behaviour change interventions may assist people with MS to increase physical activity and reduce sedentary behaviour. However, few studies have investigated their effectiveness using objective measures of physical activity, particularly in the long term...
November 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29131689/do-pedometers-with-or-without-education-on-exercise-increase-functional-walking-capacity-and-physical-activity-level-in-adolescents-with-juvenile-idiopathic-arthritis
#13
Jill Blitz, Sara M Stern, Katherine Marzan
To evaluate the impact of pedometer use on the physical activity (PA) and functional walking capacity (FWC) of adolescents with juvenile idiopathic arthritis (JIA) and lower extremity (LE) involvement. Twenty-seven adolescents, aged 11-19 years with JIA and LE involvement, participated in the three-phase pedometer study that introduced the use of a pedometer and an education seminar at 6 weeks. Measurements were taken at the baseline first visit and at weeks 6, 12, and 20. The primary outcome measure was the 6-minute walk test (6MWT)...
November 13, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29130068/diet-and-physical-activity-behaviors-in-primary-care-patients-with-recent-intentional-weight-loss
#14
Bethany Barone Gibbs, Dana Tudorascu, Cindy L Bryce, Diane Comer, Gary S Fischer, Rachel Hess, Kimberly A Huber, Kathleen M McTigue, Laurey R Simkin-Silverman, Molly B Conroy
Purpose: Lifestyle habits of primary care patients with recent, intentional weight loss are unclear and need to be better understood to aid in translational health promotion efforts. We aimed to characterize diet and exercise habits in primary care patients with recent, intentional weight loss, comparing those with greater (≥10%) vs. lesser (5 to <10%) weight loss. Methods: This was a cross-sectional analysis of baseline data from a randomized trial comparing weight loss maintenance interventions...
2017: Translational Journal of the American College of Sports Medicine
https://www.readbyqxmd.com/read/29096614/-active-team-a-social-and-gamified-app-based-physical-activity-intervention-randomised-controlled-trial-study-protocol
#15
Sarah Edney, Ronald Plotnikoff, Corneel Vandelanotte, Tim Olds, Ilse De Bourdeaudhuij, Jillian Ryan, Carol Maher
BACKGROUND: Physical inactivity is a leading preventable cause of chronic disease and premature death globally, yet over half of the adult Australian population is inactive. To address this, web-based physical activity interventions, which have the potential to reach large numbers of users at low costs, have received considerable attention. To fully realise the potential of such interventions, there is a need to further increase their appeal to boost engagement and retention, and sustain intervention effects over longer periods of time...
November 2, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29081985/feasibility-of-a-real-time-self-monitoring-device-for-sitting-less-and-moving-more-a-randomised-controlled-trial
#16
Anne Martin, Jacob M Adams, Christopher Bunn, Jason M R Gill, Cindy M Gray, Kate Hunt, Douglas J Maxwell, Hidde P van der Ploeg, Sally Wyke, Nanette Mutrie
OBJECTIVES: Time spent inactive and sedentary are both associated with poor health. Self-monitoring of walking, using pedometers for real-time feedback, is effective at increasing physical activity. This study evaluated the feasibility of a new pocket-worn sedentary time and physical activity real-time self-monitoring device (SitFIT). METHODS: Forty sedentary men were equally randomised into two intervention groups. For 4 weeks, one group received a SitFIT providing feedback on steps and time spent sedentary (lying/sitting); the other group received a SitFIT providing feedback on steps and time spent upright (standing/stepping)...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29077641/physical-activity-device-reliability-and-validity-during-pregnancy-and-postpartum
#17
Michelle R Conway, Mallory R Marshall, Rebecca A Schlaff, Karin A Pfeiffer, James M Pivarnik
Current physical activity (PA) recommendations for women experiencing a normal pregnancy reflect recent research showing numerous health benefits for mother and offspring. However, few studies have evaluated PA devices' reliability and validity during pregnancy, as anatomical and physiological changes throughout gestation could affect an instrument's accuracy. PURPOSE: To determine the reliability and validity of PA devices worn on the hip, ankle, and triceps during pregnancy and post-partum...
October 26, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29067851/can-energy-expenditure-be-accurately-assessed-using-accelerometry-based-wearable-motion-detectors-for-physical-activity-monitoring-in-post-stroke-patients-in-the-subacute-phase
#18
Stéphane Mandigout, Justine Lacroix, Béatrice Ferry, Nicolas Vuillerme, Maxence Compagnat, Jean-Christophe Daviet
Background In the subacute stroke phase, the monitoring of ambulatory activity and activities of daily life with wearable sensors may have relevant clinical applications. Do current commercially available wearable activity trackers allow us to objectively assess the energy expenditure of these activities? The objective of the present study was to compare the energy expenditure evaluated by indirect calorimetry during the course of a scenario consisting of everyday activities while estimating the energy expenditure using several commercialised wearable sensors in post-stroke patients (less than six months since stroke)...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29061128/effects-of-a-multi-level-intervention-on-the-pattern-of-physical-activity-among-in-school-adolescents-in-oyo-state-nigeria-a-cluster-randomised-trial
#19
Mojisola Morenike Oluwasanu, Oladimeji Oladepo
BACKGROUND: Physical inactivity contributes to the global burden of non-communicable diseases. The pattern of physical activity in adulthood are often established during adolescence and sedentary behaviours in the early years could influence the development of diseases later in life. Studies on physical activity in Nigeria have focused largely on individual behaviours and the effects of school-based interventions have not been well investigated. The aim of the proposed study is to identify factors influencing; and evaluate the effects of a multi-level intervention on the physical activity behaviours of in-school adolescents in Oyo state, Nigeria...
October 23, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29053612/in-search-of-consistent-predictors-of-children-s-physical-activity
#20
Keren Best, Kylie Ball, Dorota Zarnowiecki, Rebecca Stanley, James Dollman
Physical activity is pivotal for children's health and well-being, yet participation declines across teenage years. Efforts to increase physical activity need to be strengthened to combat this, however, evidence for the design and planning of physical activity promotion in children is lacking. The aim was to identify predictors of physical activity that were relatively consistent across three different measures of physical activity, in pre- and early adolescent South Australians. This is the first study to compare correlates of physical activity across three measures of physical activity in a single sample, in this age group...
October 20, 2017: International Journal of Environmental Research and Public Health
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