High-velocity resistance training mitigates physiological and functional impairments in middle-aged and older adults with and without mobility-limitation

The aim of the present study was to compare the neuromuscular, morphological, and functional responses to a high-velocity resistance training (HVRT) program between three cohorts: middle-aged adults (40–55 years, n  = 18), healthy older adults (> 60 years, n  = 18), and mobility-limited older adu...

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Bibliographic Details
Published in:GeroScience 2022-06, Vol.44 (3), p.1175-1197
Main Authors: Schaun, Gustavo Z., Bamman, Marcas M., Andrade, Luana S., David, Gabriela B., Krüger, Vitor L., Marins, Eduardo F., Nunes, Gabriela N., Häfele, Mariana S., Mendes, Graciele F., Gomes, Maria Laura B., Campelo, Paula C., Pinto, Stephanie S., Alberton, Cristine L.
Format: Article
Language:English
Subjects:
Age
Biomedical and Life Sciences
Cell Biology
Gait
Geriatrics/Gerontology
Life Sciences
Middle age
Mobility
Molecular Medicine
Muscle contraction
Older people
Original
Original Article
Physical training
Physiology
Quadriceps muscle
Strength training
Velocity
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Summary:The aim of the present study was to compare the neuromuscular, morphological, and functional responses to a high-velocity resistance training (HVRT) program between three cohorts: middle-aged adults (40–55 years, n  = 18), healthy older adults (> 60 years, n  = 18), and mobility-limited older adults ( n  = 8). Participants were tested before and after a 4-week control period and then assigned to a 12-week HVRT intervention. Investigated outcomes included ultrasound-derived muscle thickness and quality, maximal dynamic strength (1RM), maximal voluntary isometric contraction (MVIC), and muscle activation (sEMG), as well as muscle power and functional performance. After the intervention, quadriceps muscle thickness, 1RM, and sEMG improved in all three groups (all p  
ISSN:2509-2715
2509-2723
DOI:10.1007/s11357-022-00520-8