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Changes in physical activity behaviour and physical function after bariatric surgery: a systematic review and
L Y Herring1,2, C Stevinson1,2, M J Davies2,3,4
1School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK.
Summary
Physical activity increases after bariatric surgery, with more steps but less intense exercise initially. Walking and musculoskeletal function improve significantly 12 months post-surgery.
Area of Science:
- Obesity research
- Bariatric surgery outcomes
- Physical activity and rehabilitation
Background:
- Physical activity post-bariatric surgery aids weight loss but patient behavior is understudied.
- Obesity significantly impacts physical function and activity levels.
Purpose of the Study:
- To systematically review and meta-analyze changes in physical activity and function from pre- to post-bariatric surgery.
- To evaluate the impact of bariatric surgery on physical activity patterns and functional outcomes in obese adults.
Main Methods:
- Systematic review and meta-analysis of 50 studies.
- Included pre-operative to post-operative data on physical activity and physical function.
- Meta-analysis conducted on 26 studies with quantifiable data.
Main Results:
- Significant increases in both objectively measured and self-reported physical activity at 12 months.
- A shift towards more time spent active, but at lower intensity (reduced moderate-to-vigorous activity, increased step count) within 6 months.
- Improved walking performance (SMD: 1.53) and musculoskeletal function (SMD: 1.51) observed post-surgery.
- No correlation found between weight change and walking performance.
Conclusions:
- Bariatric surgery leads to increased physical activity and improved physical function in obese adults.
- Post-operative physical activity patterns evolve, with an initial increase in low-intensity activity.
- Further research is needed to understand physical activity's role in optimizing long-term weight and functional outcomes.
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