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. 2024 Oct 4;9(5):127.
doi: 10.3390/geriatrics9050127.

Running Plus Strength Training Positively Affects Muscle Strength and Quality in Both Younger (Below 50 Years Old) and Older (Above 50 Years Old) Women

Lavínia Vivan  1 , Vinícius Ribeiro Dos Anjos Souza  1 , Aldo Seffrin  1 , Claudio Andre Barbosa de Lira  2 , Rodrigo Luiz Vancini  3 , Katja Weiss  4 , Beat Knechtle  4 , Marilia Santos Andrade  5
Affiliations

Running Plus Strength Training Positively Affects Muscle Strength and Quality in Both Younger (Below 50 Years Old) and Older (Above 50 Years Old) Women

Lavínia Vivan et al. Geriatrics (Basel). .

Abstract

Background/objectives: Sarcopenia is a muscular disease characterized by loss of muscular strength and function, affecting mainly women, and associated with increased mortality risk. The aim of this study was to compare active women with inactive women of different age groups regarding muscle mass, strength, and muscle quality.

Methods: This study included 147 women (85 runners and 62 inactive), divided into <50 and ≥50 years old. Participants were evaluated for knee flexor and extensor peak torque (PT), body composition, and training habits.

Results: For knee extensor muscles, there was an age group effect (F(2.146) = 40.5; p < 0.001) on absolute PT (Nm); an age group effect (F(2.146) = 44.1; p < 0.001) and a physical activity group effect (F(2.146) = 113.0; p < 0.001) on PT adjusted by body mass (Nm/kg); and an age group effect (F(2.146) = 36.9; p < 0.001) and a physical activity group effect (F(2.146) = 6.1; p = 0.014) on PT adjusted by lean mass (Nm/kgLM). There was no interaction effect.

Conclusion: In both age groups, active women had greater strength and higher muscle quality than inactive women, but the difference in strength, muscle mass, and muscle quality between younger and older women were the same among runners and inactive women.

Keywords: aging; isokinetic; physical activity; sarcopenia.

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Conflict of interest statement

The authors declare no conflicts of interest.

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