Effects of Microfiltered Seawater Intake and Variable Resistance Training on Strength, Bone Health, Body Composition, and Quality of Life in Older Women: A 32-Week Randomized, Double-Blinded, Placebo-Controlled Trial

Alvaro Juesas, Pedro Gargallo, Javier Gene-Morales, Carlos Babiloni-López, Angel Saez-Berlanga, Pablo Jiménez-Martínez (), Jose Casaña, Josep C. Benitez-Martinez, Rodrigo Ramirez-Campillo, Ivan Chulvi-Medrano and Juan C. Colado
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Alvaro Juesas: Research Group in Prevention and Health in Exercise and Sport (PHES), University of Valencia, 46010 Valencia, Spain
Pedro Gargallo: Research Group in Prevention and Health in Exercise and Sport (PHES), University of Valencia, 46010 Valencia, Spain
Javier Gene-Morales: Research Group in Prevention and Health in Exercise and Sport (PHES), University of Valencia, 46010 Valencia, Spain
Carlos Babiloni-López: Research Group in Prevention and Health in Exercise and Sport (PHES), University of Valencia, 46010 Valencia, Spain
Angel Saez-Berlanga: Research Group in Prevention and Health in Exercise and Sport (PHES), University of Valencia, 46010 Valencia, Spain
Pablo Jiménez-Martínez: Research Group in Prevention and Health in Exercise and Sport (PHES), University of Valencia, 46010 Valencia, Spain
Jose Casaña: Exercise Intervention for Health Research Group (EXINH-RG), University of Valencia, 46010 Valencia, Spain
Josep C. Benitez-Martinez: Research Group in Physiotherapy Technology and Recovering (FTR), University of Valencia, 46010 Valencia, Spain
Rodrigo Ramirez-Campillo: Exercise and Rehabilitation Sciences Laboratory, School of Physical Therapy, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago 7591538, Chile
Ivan Chulvi-Medrano: Department of Physical Education and Sports, University of Valencia, 46010, Valencia, Spain
Juan C. Colado: Research Group in Prevention and Health in Exercise and Sport (PHES), University of Valencia, 46010 Valencia, Spain

IJERPH, 2023, vol. 20, issue 6, 1-15

Abstract: The aim was to explore the effects of a 32-week resistance training (RT) intervention with elastic bands with or without microfiltered seawater (SW) supplementation on isokinetic strength, bone mineral density (BMD), body composition, and subjective quality of life in postmenopausal women. Ninety-three untrained women (age: 70.00 ± 6.26 years; body mass index: 22.05 ± 3.20 kg/m 2 ; body fat: 37.77 ± 6.38%; 6.66 ± 1.01 s up-and-go test) voluntarily participated in this randomized, double-blinded, controlled trial. Participants were allocated into four groups (RT+SW, RT+PLA, CON+SW, and CON+PLA). The RT intervention (twice weekly) consisted of different exercises for the whole body performed at submaximal intensities with elastic bands. Both control groups were not involved in any exercise program. A two-way mixed analysis of variance of repeated measures revealed significant improvements in almost all the variables in both intervention groups ( p < 0.05). However, significant differences with controls were encountered in isokinetic strength, body fat percentage, and bodily pain. Although the group with SW supplementation obtained greater effect sizes, non-significant differences between both RT groups were observed. In conclusion, the determinant factor of the adaptations seems to be RT rather than SW.

Keywords: older adults; postmenopausal; variable resistance training; elastic bands; rate of perceived exertion; musculoskeletal; muscle strength; bone mineral density; body composition; body fat; Short Form Health Survey (SF-36) (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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