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School-Based Virtual Reality Programming for Obtaining Moderate-Intensity Exercise Among Children With Disabilities: Pre-Post Feasibility Study

School-Based Virtual Reality Programming for Obtaining Moderate-Intensity Exercise Among Children With Disabilities: Pre-Post Feasibility Study

A systematic review has demonstrated that school-based exercise studies generally have not elicited favorable effects on cardiometabolic health among children with disabilities, but improvements can be observed in cardiorespiratory and muscular fitness and other components of health-related physical fitness [13]. These findings are also supported by more overarching reviews of disability exercise studies outside of the school setting [2].

Byron Lai, Ashley Wright, Bailey Hutchinson, Larsen Bright, Raven Young, Drew Davis, Sultan Ali Malik, James H Rimmer, Pelham High Community Engagement Group

JMIR Form Res 2025;9:e65801

Barriers to and Facilitators of Implementing Team-Based Extracorporeal Membrane Oxygenation Simulation Study: Exploratory Analysis

Barriers to and Facilitators of Implementing Team-Based Extracorporeal Membrane Oxygenation Simulation Study: Exploratory Analysis

ECMO is a critical tool in the care of severe cardiorespiratory dysfunction among patients of all ages [1]. Within the intensive care unit (ICU), ECMO is one of the most complicated therapies, requiring not only extensive knowledge of cardiopulmonary physiology and expertise with intricate circuit components but also skills to rapidly respond to emergent situations [2].

Joan Brown, Sophia De-Oliveira, Christopher Mitchell, Rachel Carmen Cesar, Li Ding, Melissa Fix, Daniel Stemen, Krisda Yacharn, Se Fum Wong, Anahat Dhillon

JMIR Med Educ 2025;11:e57424

Assessing the Accuracy of Smartwatch-Based Estimation of Maximum Oxygen Uptake Using the Apple Watch Series 7: Validation Study

Assessing the Accuracy of Smartwatch-Based Estimation of Maximum Oxygen Uptake Using the Apple Watch Series 7: Validation Study

The concept of the maximum oxygen uptake (VO2max), established in 1923 by Hill and Lupton [1] is a fundamental measure in assessing cardiorespiratory fitness [2] and is also often used to determine an individual’s physical fitness level [3,4]. Cardiorespiratory fitness is defined as the ability of the circulatory and respiratory systems to supply oxygen to the muscles during sustained physical activity [3]. VO2max is also often used as a performance measure [5,6].

Polona Caserman, Sungsoo Yum, Stefan Göbel, Andreas Reif, Silke Matura

JMIR Biomed Eng 2024;9:e59459

Estimating Cardiorespiratory Fitness Without Exercise Testing or Physical Activity Status in Healthy Adults: Regression Model Development and Validation

Estimating Cardiorespiratory Fitness Without Exercise Testing or Physical Activity Status in Healthy Adults: Regression Model Development and Validation

However, access to cardiorespiratory fitness (CRF), a valuable health metric, is limited. This limitation is primarily due to the medical service (cardiopulmonary stress test) being costly, time-consuming, and generally focused on cardiac patients [3-5]. CRF is a comprehensive measure of one’s functional capacity (m L O2 · kg‒1 · min‒1) driven by the combination of heart, lung, and muscle function [6]. It is an important marker of health status in the general adult population [3,6].

Robert Sloan, Marco Visentini-Scarzanella, Susumu Sawada, Xuemei Sui, Jonathan Myers

JMIR Public Health Surveill 2022;8(7):e34717

Effect of an Active Video Game Intervention Combined With Multicomponent Exercise for Cardiorespiratory Fitness in Children With Overweight and Obesity: Randomized Controlled Trial

Effect of an Active Video Game Intervention Combined With Multicomponent Exercise for Cardiorespiratory Fitness in Children With Overweight and Obesity: Randomized Controlled Trial

Overweight and obesity have been shown to be negatively related with cardiorespiratory fitness (CRF) levels in school children and adolescents [8,9]. The relationship between both factors has also been found in preschoolers [10] and becomes more pronounced as children grow older [11], suggesting that high CRF levels should be promoted as early as possible as a preventive measure because poor CRF is even associated with the development of cardiometabolic risk factors [12,13] and metabolic syndrome [14].

Cristina Comeras-Chueca, Lorena Villalba-Heredia, Jose Luis Perez-Lasierra, Gabriel Lozano-Berges, Angel Matute-Llorente, German Vicente-Rodriguez, Jose Antonio Casajus, Alex Gonzalez-Aguero

JMIR Serious Games 2022;10(2):e33782

The Effect of Wearable Tracking Devices on Cardiorespiratory Fitness Among Inactive Adults: Crossover Study

The Effect of Wearable Tracking Devices on Cardiorespiratory Fitness Among Inactive Adults: Crossover Study

Few studies have investigated the effect on cardiorespiratory fitness (CRF) despite low CRF has been reported to be a more powerful predictor of health issues than, for instance, inactivity [8,9]. Discrepancy exists between the few studies that have evaluated the effect on CRF after a WTD intervention [10-14]. The existing studies were all carried out at least 5 years ago and thereby conducted with older devices.

Lisbeth Hoejkjaer Larsen, Maja Hedegaard Lauritzen, Mikkel Sinkjaer, Troels W Kjaer

JMIR Cardio 2022;6(1):e31501