Fitness Trackers and Smart Pedometers/Accelerometers

Effects of Integrating Wearable Activity Trackers With a Home-Based Multicomponent Exercise Intervention on Fall-Related Parameters and Physical Function in Older Adults: Randomized Controlled Trial

Yejin Kim, Kyung Hee Park, Hye-Mi Noh

JMIR Mhealth Uhealth 2025 (May 08); 13:e64458

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Effectiveness of Mobile Health Interventions for Reducing Sitting Time in Older Adults: Systematic Review and Meta-Analysis

Siqing Chen, Chenchen Wang, Albert Ko, Carol Ewing Garber, Edward Giovannucci, Yuting Yang, Matthew Stults-Kolehmainen, Lili Yang

J Med Internet Res 2025 (May 08); 27:e60889

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Feasibility of Long-Term Physical Activity Measurement With a Wearable Activity Tracker in Patients With Axial Spondyloarthritis: 1-Year Longitudinal Observational Study

Emil Eirik Kvernberg Thomassen, Anne Therese Tveter, Inger Jorid Berg, Eirik Klami Kristianslund, Andrew Reiner, Sarah Hakim, Laure Gossec, Gary J Macfarlane, Annette de Thurah, Nina Østerås

JMIR Hum Factors 2025 (May 07); 12:e68645

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Enhancing Cardiopulmonary Resuscitation Quality Using a Smartwatch: Neural Network Approach for Algorithm Development and Validation

Gaurav Rao, David W Savage, Gabrielle Erickson, Nathan Kyryluk, Pawan Lingras, Vijay Mago

JMIR Mhealth Uhealth 2025 (May 05); 13:e57469

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Physical Activity Measurement Reactivity Among Midlife Adults With Elevated Risk for Cardiovascular Disease: Protocol for Coordinated Analyses Across Six Studies

Kiri Baga, Gabrielle M Salvatore, Iris Bercovitz, Amanda L Folk, Ria Singh, Laura M König, Meghan L Butryn, Jacqueline A Mogle, Danielle Arigo

JMIR Res Protoc 2025 (Apr 23); 14:e67438

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A Mobile Health App Informed by the Multi-Process Action Control Framework to Promote Physical Activity Among Inactive Adults: Iterative Usability Study

Heather Hollman, Wuyou Sui, Haowei Zhang, Ryan E Rhodes

JMIR Form Res 2025 (Apr 23); 9:e59477

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Calibration and Validation of Machine Learning Models for Physical Behavior Characterization: Protocol and Methods for the Free-Living Physical Activity in Youth (FLPAY) Study

Samuel Robert LaMunion, Paul Robert Hibbing, Scott Edward Crouter

JMIR Res Protoc 2025 (Apr 16); 14:e65968

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Moving Standard Deviation of Trunk Acceleration as a Quantification Index for Physical Activities: Validation Study

Takuya Suzuki, Yuji Kono, Takayuki Ogasawara, Masahiko Mukaino, Yasushi Aoshima, Shotaro Furuzawa, Yurie Fujita, Hirotaka Matsuura, Masumi Yamaguchi, Shingo Tsukada, Yohei Otaka

JMIR Form Res 2025 (Apr 08); 9:e63064

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Detecting Sleep/Wake Rhythm Disruption Related to Cognition in Older Adults With and Without Mild Cognitive Impairment Using the myRhythmWatch Platform: Feasibility and Correlation Study

Caleb D Jones, Rachel Wasilko, Gehui Zhang, Katie L Stone, Swathi Gujral, Juleen Rodakowski, Stephen F Smagula

JMIR Aging 2025 (Apr 07); 8:e67294

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Changes in Physical Activity, Heart Rate, and Sleep Measured by Activity Trackers During the COVID-19 Pandemic Across 34 Countries: Retrospective Analysis

Bastien Wyatt, Nicolas Forstmann, Nolwenn Badier, Anne-Sophie Hamy, Quentin De Larochelambert, Juliana Antero, Arthur Danino, Vincent Vercamer, Paul De Villele, Benjamin Vittrant, Thomas Lanz, Fabien Reyal, Jean-François Toussaint, Lidia Delrieu

J Med Internet Res 2025 (Apr 04); 27:e68199

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Analysis of Metabolic and Quality-of-Life Factors in Patients With Cancer for a New Approach to Classifying Walking Habits: Secondary Analysis of a Randomized Controlled Trial

Yae Won Tak, Junetae Kim, Haekwon Chung, Sae Byul Lee, In Ja Park, Sei Won Lee, Min-Woo Jo, Jong Won Lee, Seunghee Baek, Yura Lee

J Med Internet Res 2025 (Apr 01); 27:e52694

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Validation of Ecological Momentary Assessment With Reference to Accelerometer Data: Repeated-Measures Panel Study With Multilevel Modeling

Jung Min Noh, SongHyun Im, JooYong Park, Jae Myung Kim, Miyoung Lee, Ji-Yeob Choi

J Med Internet Res 2025 (Apr 01); 27:e59878

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Accelerometry-Assessed Physical Activity and Circadian Rhythm to Detect Clinical Disability Status in Multiple Sclerosis: Cross-Sectional Study

Nicole Bou Rjeily, Muraleetharan Sanjayan, Pratim Guha Niyogi, Blake E Dewey, Alexandra Zambriczki Lee, Christy Hulett, Gabriella Dagher, Chen Hu, Rafal D Mazur, Elena M Kenney, Erin Brennan, Anna DuVal, Peter A Calabresi, Vadim Zipunnikov, Kathryn C Fitzgerald, Ellen M Mowry

JMIR Mhealth Uhealth 2025 (Mar 31); 13:e57599

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User Experience With a Personalized mHealth Service for Physical Activity Promotion in University Students: Mixed Methods Study

Silke Wittmar, Tom Frankenstein, Vincent Timm, Peter Frei, Nicolas Kurpiers, Stefan Wölwer, Axel Georg Meender Schäfer

JMIR Form Res 2025 (Mar 28); 9:e64384

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Toward Unsupervised Capacity Assessments for Gait in Neurorehabilitation: Validation Study

Aileen C Naef, Guichande Duarte, Saskia Neumann, Migjen Shala, Meret Branscheidt, Chris Easthope Awai

J Med Internet Res 2025 (Mar 26); 27:e66123

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Wrist-Worn and Arm-Worn Wearables for Monitoring Heart Rate During Sedentary and Light-to-Vigorous Physical Activities: Device Validation Study

Theresa Schweizer, Rahel Gilgen-Ammann

JMIR Cardio 2025 (Mar 21); 9:e67110

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Using Wear Time for the Analysis of Consumer-Grade Wearables’ Data: Case Study Using Fitbit Data

Loubna Baroudi, Ronald Fredrick Zernicke, Muneesh Tewari, Noelle E Carlozzi, Sung Won Choi, Stephen M Cain

JMIR Mhealth Uhealth 2025 (Mar 21); 13:e46149

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Acceptability and Preliminary Efficacy of a Novel Web-Based Physical Activity for the Heart (PATH) Intervention Designed to Promote Physical Activity in Adults With Obesity: Protocol for a Pilot Randomized Controlled Trial

Jacob Kariuki, Lora Burke, Kirk Erickson, Susan Sereika, Sudeshna Paul, Jessica Cheng, Heran Biza, Amjad Abdirahman, Katherine Wilbraham, Heather Milton, Cornelius Brown, Matthew Sells, Foster Osei Baah, Jessica Wells, Rasheeta Chandler, Bethany Barone Gibbs

JMIR Res Protoc 2025 (Mar 18); 14:e67972

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Reliability of Average Daily Steps Measured Through a Consumer Smartwatch in Parkinson Disease Phenotypes, Stages, and Severities: Cross-Sectional Study

Edoardo Bianchini, Domiziana Rinaldi, Lanfranco De Carolis, Silvia Galli, Marika Alborghetti, Clint Hansen, Antonio Suppa, Marco Salvetti, Francesco Ernesto Pontieri, Nicolas Vuillerme

JMIR Form Res 2025 (Mar 18); 9:e63153

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Preadolescent Children Using Real-Time Heart Rate During Moderate to Vigorous Physical Activity: A Feasibility Study

Lincoln Lu, Danielle E Jake-Schoffman, Hannah A Lavoie, Maedeh Agharazidermani, Kristy Elizabeth Boyer

JMIR Hum Factors 2025 (Mar 06); 12:e58715

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