 This study found that high-intensity interval training, HIIT, was more effective than moderate intensity continuous training, MyCT, at improving body composition, insulin resistance, blood lipids, functional capacity, cardiorespiratory fitness, and quality of life in elderly women. HIIT also resulted in greater improvements in these measures than MyCT. This article was authored by Nirazis Romantia PhD, Rien Kha Project PhD, Yinyong Fan Feng PhD, and others.