Physical activity interventions refer to programs or strategies designed to promote and increase physical activity levels among individuals. These interventions can target various populations, such as children, adults, older adults, or specific groups like individuals with chronic diseases or disabilities. Physical activity interventions can include structured exercise programs, group fitness classes, workplace wellness programs, community-based initiatives, or technology-based interventions (such as fitness apps or wearable devices). These interventions aim to improve physical health, reduce the risk of chronic diseases, enhance mental well-being, and increase overall quality of life. Research in this area explores the effectiveness of different types of physical activity interventions, their impact on health outcomes, adherence rates, barriers and facilitators to participation, and strategies for promoting sustainable behavior change. Researchers also investigate the optimal timing, intensity, duration, and frequency of physical activity interventions to maximize benefits and long-term success.