Innovations and Technology for Physical Activity Education

Effects of Performing Eccentric Contractions to Failure After Concentric Muscle Failure in Resistance Training Sessions: Protocol for a Within-Participant Randomized Trial

Pedro Henrique Alves Campos, Renan Vieira Barreto, Gabriel Fontanetti, Leonardo Santos Lopes da Silva, Matheus Machado Gomes, Leonardo Lima

JMIR Res Protoc 2026 (Jan 08); 15:e67537

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Analysis of Training Behavior in Users of a Fitness App: Cross-Sectional Study

Andrea Fuente-Vidal, Roger Prat, Juan Manuel Arribas-Marin, Oscar Bastidas-Jossa, Myriam Guerra-Balic, Begonya Garcia-Zapirain, Joel Montane, Javier Jerez-Roig

JMIR Mhealth Uhealth 2026 (Jan 08); 14:e72201

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Impact of Push Notifications on Physical Activity and Sodium Intake Among Patients with Hypertension: Microrandomized Trial of a Just-in-Time Adaptive Intervention

Jessica R Golbus, Michael P Dorsch, Yuxuan Chen, Tanima Basu, Evan Luff, Predrag Klasnja, Mark W Newman, Lesli E Skolarus, Walter Dempsey, Brahmajee K Nallamothu

J Med Internet Res 2026 (Jan 07); 28:e78218

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Just-in-Time Adaptive Intervention to Promote Walking Behavior and Reduce Stationary Time in Physically Inactive Adults: Protocol for the Walking With JITAIs Study

Cora J Firkin, Ajith Vemuri, Tanvir Rahman, Barry Bodt, Elizabeth Orsega-Smith, Keith Decker, Gregory M Dominick

JMIR Res Protoc 2026 (Jan 07); 15:e79022

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