About the Study : In this cohort study of older adults, objectively measured physical fitness—particularly balance and agility, lower-body strength, and cardiorespiratory fitness—was associated with lower all-cause mortality in a graded manner. These findings suggest that integrating objective fitness assessments into routine practice may refine risk stratification and guide function-oriented interventions in older adults.
Corresponding Authors : Li-Lin Liang, PhD, Institute of Public Health, College of Medicine, National Yang Ming Chiao Tung University, No. 155, Sec 2, Linong Street, Beitou District, Taipei, 11221, Taiwan ( liang.lilin@nycu.edu.tw ); Chen-Te Hsu, PhD, MPH, Department of Sport Management, National Taiwan University of Sport, No. 16, Sec. 1, Shuangshi Road, North District, Taichung City 404401, Taiwan ( cthsu@ntus.edu.tw ).
10.1001/jamanetworkopen.2026.28227
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