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Background <p>The aim is to investigate the effects of a hybrid-type multicomponent exercise program on muscle strength, resting metabolic rate (RMR), cardiopulmonary capacity (VO<sub>2</sub>peak), and body composition after bariatric surgery.</p> Methods <p>Twenty adults (5 males, 15 females; BMI ≥ 30&#xa0;kg/m<sup>2</sup>) who underwent sleeve gastrectomy were evenly assigned to a hybrid-type multicomponent exercise group (HEG) or a Control Group (CG). Three months after the surgery, the HEG commenced a hybrid exercise program, which was undertaken three days per week for a period of four months. A range of health and fitness metrics were measured at the beginning of the study and after the intervention, including musclular strength, body composition, skeletal muscle index (SMI), VO2max, and RMR. Exercise effects were analysed using two-way repeated-measures ANOVA, with sex included as a covariate to account for any differences between the groups.</p> Results <p>Significant time effects were observed for all anthropometric and body composition variables in both groups (<i>p</i> &lt; 0.001), reflecting the dominant effect of surgery. Reductions in body weight and BMI and regional adiposity were greater in the HEG (<i>p</i> &lt; 0.01), whereas lean body mass, SMI and RMR decreased similarly in both groups (<i>p</i> &gt; 0.05). In contrast, significant time × group interactions with large effect sizes were found for all upper- and lower-extremity strength measures (<i>p</i> &lt; 0.001), favoring the HEG, with the greatest gains in the lower extremities (<i>p</i> &lt; 0.001). Handgrip strength and relative VO<sub>₂</sub>peak increased significantly only in the HEG (<i>p</i> &lt; 0.001). Physical activity levels increased markedly in the HEG (<i>p</i> = 0.003), with all participants classified as highly active post-intervention, while the CG largely remained in low or moderate categories (<i>p</i> &lt; 0.001).</p> Conclusion <p>Although the hybrid-type multicomponent exercise program does not prevent early postoperative reductions in RMR and lean body mass after bariatric surgery, it provides associated with functional and metabolic benefits by improving muscle strength, cardiorespiratory fitness, physical activity levels, and adiposity-related outcomes, thereby supporting functional capacity.</p>

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Effects of Hybrid-Type Multicomponent Exercise Training on Cardiopulmonary Capacity, Resting Metabolic Rate, and Muscle Strength Following Bariatric Surgery

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月14日

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  • Burke Koksalan,
  • Aslı Nur Bahar,
  • Omer Gunal,
  • Ozgur Kasimay,
  • Nurper Ozbar,
  • Asim Cingi,
  • Dilek Gogas Yavuz,
  • Alexios Batrakoulis,
  • Meral Kucuk Yetgin

摘要

Background

The aim is to investigate the effects of a hybrid-type multicomponent exercise program on muscle strength, resting metabolic rate (RMR), cardiopulmonary capacity (VO2peak), and body composition after bariatric surgery.

Methods

Twenty adults (5 males, 15 females; BMI ≥ 30 kg/m2) who underwent sleeve gastrectomy were evenly assigned to a hybrid-type multicomponent exercise group (HEG) or a Control Group (CG). Three months after the surgery, the HEG commenced a hybrid exercise program, which was undertaken three days per week for a period of four months. A range of health and fitness metrics were measured at the beginning of the study and after the intervention, including musclular strength, body composition, skeletal muscle index (SMI), VO2max, and RMR. Exercise effects were analysed using two-way repeated-measures ANOVA, with sex included as a covariate to account for any differences between the groups.

Results

Significant time effects were observed for all anthropometric and body composition variables in both groups (p < 0.001), reflecting the dominant effect of surgery. Reductions in body weight and BMI and regional adiposity were greater in the HEG (p < 0.01), whereas lean body mass, SMI and RMR decreased similarly in both groups (p > 0.05). In contrast, significant time × group interactions with large effect sizes were found for all upper- and lower-extremity strength measures (p < 0.001), favoring the HEG, with the greatest gains in the lower extremities (p < 0.001). Handgrip strength and relative VO₂peak increased significantly only in the HEG (p < 0.001). Physical activity levels increased markedly in the HEG (p = 0.003), with all participants classified as highly active post-intervention, while the CG largely remained in low or moderate categories (p < 0.001).

Conclusion

Although the hybrid-type multicomponent exercise program does not prevent early postoperative reductions in RMR and lean body mass after bariatric surgery, it provides associated with functional and metabolic benefits by improving muscle strength, cardiorespiratory fitness, physical activity levels, and adiposity-related outcomes, thereby supporting functional capacity.