Tracking Sarcopenia and Physical Activities Among Korean Adults Aged 50 Years and Older During COVID‐19 Pandemic

Sarcopenia risk increased during the COVID-19 pandemic, likely driven by decreased PA and increased sedentary behavior. These findings underscore the importance of maintaining muscle strength and mobility in older adults, especially during public health emergencies. Limitations include small sample size, potential recall bias from self-reported PA, and absence of dietary or cognitive measures.