Effects of Sleeve Gastrectomy and Subsequent Whole-Body Vibration Training on Resting Metabolic Rate and Body Composition: A Pilot Randomized Controlled Trial
7 affiliations
- 1EXER-GENUD (Exercise-Growth, Exercise, Nutrition and Development) Research Group, University of Zaragoza, Zaragoza, Spain
- 2Faculty of Health and Sport Sciences, University of Zaragoza, Zaragoza, Spain
- 3Servicios de cirugía general, aparato digestivo y enfermedades digestivas, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain
- 4Instituto de Investigación Sanitaria Aragón (IIS Aragón), Zaragoza, Spain
- 5Instituto de Salud Carlos III, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, Madrid, Spain
- 6Faculty of Medicine, University of Zaragoza, Zaragoza, Spain
- 7Faculty of Education, University of Zaragoza, Zaragoza, Spain
Abstract
Background: Sleeve gastrectomy (SG) leads to rapid weight loss, marked by reductions in fat mass (FM) and lean soft tissue (LST), contributing to a decline in resting metabolic rate (RMR). The role of early exercise and the relationship between body composition and RMR remain unclear.
Objectives: To evaluate early changes in RMR and body composition after SG, explore the effects of a whole-body vibration (WBV) resistance training intervention, and examine associations between RMR and body composition.
Methods: Twenty-six participants with severe obesity (61.5% female, age 40.1 ± 9.1 years, BMI 45.4 ± 4.8 kg/m²) were assessed pre-surgery (T1), 7 weeks post-surgery (T2), and 6 months post-surgery (T3). Participants were randomised to 16 weeks of WBV training or usual care. Body composition (DXA) and RMR (indirect calorimetry) were measured.
Results: SG induced significant reductions in LST (-7.81 kg) and FM by T2, with a decline in absolute RMR (-357.7 ± 164.3 kcal/day). The WBV group showed mitigated loss of appendicular LST (ALST) and ALST index from T2 to T3. Over the entire study period (T1-T3), the reduction in RMR was 20% smaller in the WBV group (-430.6 vs. -536.3 kcal/day); however, this difference did not reach statistical significance (p = 0.085). Cross-sectionally, LST parameters were associated with RMR at all timepoints (R²=0.66–0.81), and baseline LST parameters predicted postoperative RMR.
Conclusion: In this pilot trial, early WBV training attenuated losses of appendicular LST following SG. A smaller reduction in RMR was observed in the WBV group; however, this difference did not reach statistical significance and may warrant investigation in larger adequately powered trials. The predictive value of preoperative LST for postoperative RMR highlights the benefit of prehabilitation strategies to improve metabolic outcomes.
Supplementary Information: The online version contains supplementary material available at https://doi.org/10.1007/s11695-026-08890-0.
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BibTeX
@article{aragimeno2026effects,
title = {{Effects of Sleeve Gastrectomy and Subsequent Whole-Body Vibration Training on Resting Metabolic Rate and Body Composition: A Pilot Randomized Controlled Trial}},
author = {Susana Ara-Gimeno and Alejandro Gómez-Bruton and Ana Moradell and Gabriel Lozano-Berges and María José Palacios Fanlo and Marta Sánchez-Luengo and Pilar Irún and Ángel Matute-Llorente and Ángel Lanas and Alejandro González-Agüero and José A. Casajús},
journal = {Obesity Surgery},
year = {2026},
month = aug,
doi = {10.1007/s11695-026-08890-0},
url = {https://doi.org/10.1007/s11695-026-08890-0},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Effects of Sleeve Gastrectomy and Subsequent Whole-Body Vibration Training on Resting Metabolic Rate and Body Composition: A Pilot Randomized Controlled Trial
AU - Susana Ara-Gimeno
AU - Alejandro Gómez-Bruton
AU - Ana Moradell
AU - Gabriel Lozano-Berges
AU - María José Palacios Fanlo
AU - Marta Sánchez-Luengo
AU - Pilar Irún
AU - Ángel Matute-Llorente
AU - Ángel Lanas
AU - Alejandro González-Agüero
AU - José A. Casajús
PY - 2026
DA - 2026/08/19
JO - Obesity Surgery
DO - 10.1007/s11695-026-08890-0
UR - https://doi.org/10.1007/s11695-026-08890-0
AB - Background: Sleeve gastrectomy (SG) leads to rapid weight loss, marked by reductions in fat mass (FM) and lean soft tissue (LST), contributing to a decline in resting metabolic rate (RMR). The role of early exercise and the relationship between body composition and RMR remain unclear. Objectives: To evaluate early changes in RMR and body composition after SG, explore the effects of a whole-body vibration (WBV) resistance training intervention, and examine associations between RMR and body composition. Methods: Twenty-six participants with severe obesity (61.5% female, age 40.1 ± 9.1 years, BMI 45.4 ± 4.8 kg/m²) were assessed pre-surgery (T1), 7 weeks post-surgery (T2), and 6 months post-surgery (T3). Participants were randomised to 16 weeks of WBV training or usual care. Body composition (DXA) and RMR (indirect calorimetry) were measured. Results: SG induced significant reductions in LST (-7.81 kg) and FM by T2, with a decline in absolute RMR (-357.7 ± 164.3 kcal/day). The WBV group showed mitigated loss of appendicular LST (ALST) and ALST index from T2 to T3. Over the entire study period (T1-T3), the reduction in RMR was 20% smaller in the WBV group (-430.6 vs. -536.3 kcal/day); however, this difference did not reach statistical significance (p = 0.085). Cross-sectionally, LST parameters were associated with RMR at all timepoints (R²=0.66–0.81), and baseline LST parameters predicted postoperative RMR. Conclusion: In this pilot trial, early WBV training attenuated losses of appendicular LST following SG. A smaller reduction in RMR was observed in the WBV group; however, this difference did not reach statistical significance and may warrant investigation in larger adequately powered trials. The predictive value of preoperative LST for postoperative RMR highlights the benefit of prehabilitation strategies to improve metabolic outcomes. Supplementary Information: The online version contains supplementary material available at https://doi.org/10.1007/s11695-026-08890-0.
SN - 0960-8923
SN - 1708-0428
ER -