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, Juan C. Colado

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1 Citation (Scopus)

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/m2; 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.

Original languageEnglish
JournalInternational Journal of Environmental Research and Public Health
Volume20
Issue number6
DOIs
Publication statusPublished - 7 Mar 2023

Keywords

  • body composition
  • body fat
  • bone mineral density
  • elastic bands
  • muscle strength
  • musculoskeletal
  • older adults
  • postmenopausal
  • rate of perceived exertion
  • Short Form Health Survey (SF-36)
  • variable resistance training

ASJC Scopus subject areas

  • Pollution
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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