Innovations and Technology for Physical Activity Education

Sex Differences in the Variability of Physical Activity Measurements Across Multiple Timescales Recorded by a Wearable Device: Observational Retrospective Cohort Study

Kristin J Varner, Lauryn Keeler Bruce, Severine Soltani, Wendy Hartogensis, Stephan Dilchert, Frederick M Hecht, Anoushka Chowdhary, Leena Pandya, Subhasis Dasgupta, Ilkay Altintas, Amarnath Gupta, Ashley E Mason, Benjamin L Smarr

J Med Internet Res 2025 (Apr 28); 27:e66231

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Comparison of Efficiency of Closed Kinetic Chain Exercises Versus Proprioceptive Exercises in Improving Balance and Gait in People With Hemophilia: Protocol for a Randomized Controlled Trial

Tugce Poyraz Isleyen, Ela Tarakci, Gokce Leblebici, Ipek Yeldan, Bulent Zulfikar

JMIR Res Protoc 2025 (Apr 24); 14:e66770

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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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Smartwatch-Based Tailored Gamification and User Modeling for Motivating Physical Exercise: Experimental Study With the Maximum Difference Scaling Segmentation Method

Jie Yao, Di Song, Tao Xiao, Jiali Zhao

JMIR Serious Games 2025 (Apr 18); 13:e66793

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The Use of Digital Devices to Monitor Physical Behavior in Motor Neuron Disease: Systematic Review

Lucy Samantha Musson, Nina Mitic, Victoria Leigh-Valero, Gladys Onambele-Pearson, Liam Knox, Frederik J Steyn, Cory J Holdom, Taylor JM Dick, Ruben PA van Eijk, Jordi WJ van Unnik, Lianne CM Botman, Emily Beswick, Deirdre Murray, Alys Griffiths, Christopher McDermott, Esther Hobson, Amina Chaouch, Emma Hodson-Tole

J Med Internet Res 2025 (Apr 17); 27:e68479

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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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Development of Digital Strategies for Reducing Sedentary Behavior in a Hybrid Office Environment: Modified Delphi Study

Iris Parés-Salomón, Cristina Vaqué-Crusellas, Alan Coffey, Bette Loef, Karin I Proper, Anna M Señé-Mir, Anna Puig-Ribera, Kieran P Dowd, Judit Bort-Roig

JMIR Hum Factors 2025 (Apr 08); 12:e59405

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Wearable Activity Tracker–Based Interventions for Physical Activity, Body Composition, and Physical Function Among Community-Dwelling Older Adults: Systematic Review and Meta-Analysis of Randomized Controlled Trials

Ran Li, Yangan Li, Lu Wang, Lijuan Li, Chenying Fu, Danrong Hu, Quan Wei

J Med Internet Res 2025 (Apr 03); 27:e59507

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Physical Activity and Enjoyment in Active Virtual Reality Games in Youth: Comparative Analysis of Gorilla Tag and Beat Saber

Brenden Boots, Daniel Berg, Easton Hewitt, Keith Naugle, Kelly Naugle

JMIR Serious Games 2025 (Apr 01); 13:e66593

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Assessment of Pelvic Motion During Single-Leg Weight-Bearing Tasks Using Smartphone Sensors: Validity Study

Yu Xi, Zhongsheng Li, Surendran Vatatheeswaran, Valter Devecchi, Alessio Gallina

JMIR Rehabil Assist Technol 2025 (Apr 01); 12:e65342

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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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Effectiveness of the Safe Step Digital Exercise Program to Prevent Falls in Older Community-Dwelling Adults: Randomized Controlled Trial

Beatrice Pettersson, Lillemor Lundin-Olsson, Dawn A Skelton, Per Liv, Magnus Zingmark, Erik Rosendahl, Marlene Sandlund

J Med Internet Res 2025 (Mar 31); 27:e67539

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Personalized mHealth Intervention (StepAdd) for Increasing Physical Activity in Japanese Patients With Type 2 Diabetes: Secondary Analysis of Social Cognitive Theory Measurements of a Single-Arm Pilot Study

Kayo Waki, Syunpei Enomoto, Toshimasa Yamauchi, Masaomi Nangaku, Kazuhiko Ohe

JMIR Form Res 2025 (Mar 28); 9:e60221

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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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Authors’ Reply: Addressing the Digital Divide Among the Older Population Presents a Substantial Challenge

Lakshmi Kannan, Tanvi Bhatt

J Med Internet Res 2025 (Mar 28); 27:e72565

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Addressing the Digital Divide Among the Older Population Presents a Substantial Challenge

Su-hang Xie

J Med Internet Res 2025 (Mar 28); 27:e69482

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Effects of a Home-Based Rehabilitation Exercise Program on Cardiorespiratory Performance in Community-Dwelling Adults Who Underwent Heart Surgery: Randomized Controlled Trial

Natsinee Sermsinsaithong, Kornanong Yuenyongchaiwat, Chusak Thanawattano, Chatchai Buekban, Chitima Kulchanarat, Sasipa Buranapuntalug, Khanistha Wattanananont, Opas Satdhabudha

JMIR Rehabil Assist Technol 2025 (Mar 28); 12:e68504

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Feasibility and Usability of an Artificial Intelligence—Powered Gamification Intervention for Enhancing Physical Activity Among College Students: Quasi-Experimental Study

Yanan Gao, Jinxi Zhang, Zhonghui He, Zhixiong Zhou

JMIR Serious Games 2025 (Mar 24); 13:e65498

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Acceptability and Effectiveness of a Fully Web-Based Nutrition and Exercise Program for Individuals With Chronic Disease During COVID-19: Randomized Controlled Trial

Puneeta Tandon, Kathleen P Ismond, Graeme Purdy, Christofer Cruz, Evelyn Etruw, Kirsten Suderman, Ashley Hyde, Michael Stickland, John C Spence, Dale C Lien, Rahima Bhanji, Carla M Prado, Antonio Miguel-Cruz, Anil A Joy, Maryna Yaskina, Margaret L McNeely

J Med Internet Res 2025 (Mar 24); 27:e57537

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