Effects of Eight-Week Single-Set Resistance Training on Muscle Health, Metabolic Profile and Oxidative Stress in Individuals with Cognitive Impairment

Resistance training (RT) has emerged as an effective strategy to counteract the deleterious effects of aging, improving metabolic health, and preserving functional capacity. However, the impact of low-volume RT on older adults, particularly those with cognitive impairment, remains underexplored. Thi...

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Main Authors: Mariana Lopes, Mário C. Marques, Nuno Fonseca, Diogo L. Marques, Célia Nunes, Daniel A. Marinho, Henrique P. Neiva, Mikel Izquierdo, Dulce Esteves, Carla P. Fonseca
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Language:English
Published: MDPI AG 2025-06-01
Series:Applied Sciences
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Online Access:https://www.mdpi.com/2076-3417/15/13/7091
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author Mariana Lopes
Mário C. Marques
Nuno Fonseca
Diogo L. Marques
Célia Nunes
Daniel A. Marinho
Henrique P. Neiva
Mikel Izquierdo
Dulce Esteves
Carla P. Fonseca
author_facet Mariana Lopes
Mário C. Marques
Nuno Fonseca
Diogo L. Marques
Célia Nunes
Daniel A. Marinho
Henrique P. Neiva
Mikel Izquierdo
Dulce Esteves
Carla P. Fonseca
author_sort Mariana Lopes
collection DOAJ
description Resistance training (RT) has emerged as an effective strategy to counteract the deleterious effects of aging, improving metabolic health, and preserving functional capacity. However, the impact of low-volume RT on older adults, particularly those with cognitive impairment, remains underexplored. This study investigated the effects of an eight-week low-volume RT program on muscle health, liver function, lipid profile, glycemic control, and oxidative stress markers in individuals with cognitive decline. Twenty-eight participants were assigned to a low-volume RT group (81.0 ± 9.66) and a control group (90.0 ± 10.39 years). The low-volume RT group performed an 8-week RT program (two sessions per week) comprised of one set of 6–12 repetitions at 40–70% 1RM. The control group did not receive the intervention. Before and after the 8 weeks, the biomarkers of muscle health, metabolic profile, and oxidative stress were assessed. The results showed no significant differences between the groups in any biomarker at the baseline or post-test. The intervention group showed a significant increase in serum lactate dehydrogenase, aspartate aminotransferase (AST), and alanine aminotransferase (ALT) activities, all of which remained within normal ranges. No changes were observed in serum creatine kinase activity or the AST/ALT ratio in the intervention group, suggesting that acute-phase responses were occurring rather than tissue damage. Additionally, the intervention group showed a significant increase in high-density lipoprotein cholesterol levels, accompanied by a reduction in the atherogenic index, indicating potential cardiovascular benefits. No significant alterations were detected in the glycemic control and lipid peroxidation markers. These results suggest that low-volume RT can elicit modest, yet clinically meaningful metabolic improvements in individuals with cognitive impairment. Future studies should focus on identifying the minimal effective RT dose needed to optimize the health benefits in this vulnerable population, facilitating long-term adherence to exercise interventions.
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spelling doaj-art-e7a0445733ef4132b6609d7b2c7f792c2025-08-20T02:35:46ZengMDPI AGApplied Sciences2076-34172025-06-011513709110.3390/app15137091Effects of Eight-Week Single-Set Resistance Training on Muscle Health, Metabolic Profile and Oxidative Stress in Individuals with Cognitive ImpairmentMariana Lopes0Mário C. Marques1Nuno Fonseca2Diogo L. Marques3Célia Nunes4Daniel A. Marinho5Henrique P. Neiva6Mikel Izquierdo7Dulce Esteves8Carla P. Fonseca9RISE-Health, Department of Medical Sciences, Faculty of Health Sciences, University of Beira Interior, 6201-001 Covilhã, PortugalDepartment of Sport Sciences, University of Beira Interior, 6201-001 Covilhã, PortugalDepartment of Sport Sciences, University of Beira Interior, 6201-001 Covilhã, PortugalDepartment of Sport Sciences, University of Beira Interior, 6201-001 Covilhã, PortugalDepartment of Mathematics and Center of Mathematics and Applications, University of Beira Interior, Avenida Marquês D’Ávila e Bolama, 6200, 6201-001 Covilhã, PortugalDepartment of Sport Sciences, University of Beira Interior, 6201-001 Covilhã, PortugalDepartment of Sport Sciences, University of Beira Interior, 6201-001 Covilhã, PortugalNavarrabiomed, Hospital Universitario de Navarra (HUN), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Universidad Pública de Navarra (UPNA), 31000 Pamplona, SpainDepartment of Sport Sciences, University of Beira Interior, 6201-001 Covilhã, PortugalRISE-Health, Department of Medical Sciences, Faculty of Health Sciences, University of Beira Interior, 6201-001 Covilhã, PortugalResistance training (RT) has emerged as an effective strategy to counteract the deleterious effects of aging, improving metabolic health, and preserving functional capacity. However, the impact of low-volume RT on older adults, particularly those with cognitive impairment, remains underexplored. This study investigated the effects of an eight-week low-volume RT program on muscle health, liver function, lipid profile, glycemic control, and oxidative stress markers in individuals with cognitive decline. Twenty-eight participants were assigned to a low-volume RT group (81.0 ± 9.66) and a control group (90.0 ± 10.39 years). The low-volume RT group performed an 8-week RT program (two sessions per week) comprised of one set of 6–12 repetitions at 40–70% 1RM. The control group did not receive the intervention. Before and after the 8 weeks, the biomarkers of muscle health, metabolic profile, and oxidative stress were assessed. The results showed no significant differences between the groups in any biomarker at the baseline or post-test. The intervention group showed a significant increase in serum lactate dehydrogenase, aspartate aminotransferase (AST), and alanine aminotransferase (ALT) activities, all of which remained within normal ranges. No changes were observed in serum creatine kinase activity or the AST/ALT ratio in the intervention group, suggesting that acute-phase responses were occurring rather than tissue damage. Additionally, the intervention group showed a significant increase in high-density lipoprotein cholesterol levels, accompanied by a reduction in the atherogenic index, indicating potential cardiovascular benefits. No significant alterations were detected in the glycemic control and lipid peroxidation markers. These results suggest that low-volume RT can elicit modest, yet clinically meaningful metabolic improvements in individuals with cognitive impairment. Future studies should focus on identifying the minimal effective RT dose needed to optimize the health benefits in this vulnerable population, facilitating long-term adherence to exercise interventions.https://www.mdpi.com/2076-3417/15/13/7091agingcognitive impairmentglycemic controllipid profileliver functionmuscle damage
spellingShingle Mariana Lopes
Mário C. Marques
Nuno Fonseca
Diogo L. Marques
Célia Nunes
Daniel A. Marinho
Henrique P. Neiva
Mikel Izquierdo
Dulce Esteves
Carla P. Fonseca
Effects of Eight-Week Single-Set Resistance Training on Muscle Health, Metabolic Profile and Oxidative Stress in Individuals with Cognitive Impairment
Applied Sciences
aging
cognitive impairment
glycemic control
lipid profile
liver function
muscle damage
title Effects of Eight-Week Single-Set Resistance Training on Muscle Health, Metabolic Profile and Oxidative Stress in Individuals with Cognitive Impairment
title_full Effects of Eight-Week Single-Set Resistance Training on Muscle Health, Metabolic Profile and Oxidative Stress in Individuals with Cognitive Impairment
title_fullStr Effects of Eight-Week Single-Set Resistance Training on Muscle Health, Metabolic Profile and Oxidative Stress in Individuals with Cognitive Impairment
title_full_unstemmed Effects of Eight-Week Single-Set Resistance Training on Muscle Health, Metabolic Profile and Oxidative Stress in Individuals with Cognitive Impairment
title_short Effects of Eight-Week Single-Set Resistance Training on Muscle Health, Metabolic Profile and Oxidative Stress in Individuals with Cognitive Impairment
title_sort effects of eight week single set resistance training on muscle health metabolic profile and oxidative stress in individuals with cognitive impairment
topic aging
cognitive impairment
glycemic control
lipid profile
liver function
muscle damage
url https://www.mdpi.com/2076-3417/15/13/7091
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