How Does Age-Related Changes in Strength and Fitness Impact Body Size, Shape, and Composition?
- Julian Simpson
- 1 day ago
- 2 min read
How Does Age-Related Changes in Strength and Fitness Impact Body Size, Shape, and Composition?
Measures of body size, shape and composition like body mass index (BMI), body weight, waist and hip circumference as well as fat mass (FM) and fat free mass (FFM) are potential risk factors for cardiometabolic disease, cardiovascular mortality and all-cause mortality
Men with the same BMI and age have a higher risk of coronary artery disease and cardiovascular mortality compared to women.
Although women having a higher total body fat percentage, risk for adverse outcomes is determined by body fat distribution
Research in 2025 found that physical exercise strongly influences Handgrip strength (HGS), cardiorespiratory fitness (CRF) while nutrition has stronger effects on anthropometrics.
Handgrip strength (HGS) decreased in men (3.5 kg) and women (0.8 kg) after several years of testing
.
VO2peak lessened in men (36 ml/min) and increased in women (53 ml/min).
This suggests that age related changes in strength and cardiorespiratory fitness are not related to body size and shape but only composition (in men)
(Anthropometrics is the physical size , form and functional capacities of a human)
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Schulte S, Ittermann T, Gross S, Ewert R, Markus MRP, Wiese M, Kaczmarek S, Friedrich N, Dörr M, Bahls M. The relationship between age related changes in strength and fitness with body size, shape and composition. Sci Rep. 2025 Mar 21;15(1):9833. doi: 10.1038/s41598-025-93828-2. PMID: 40118909; PMCID: PMC11928602.
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