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Related Experiment Video

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Changes in physical activity after bariatric surgery: using objective and self-reported measures.

Sorena Afshar1, Keith Seymour2, Seamus B Kelly2

  • 1Human Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Campus for Ageing and Vitality, Newcastle on Tyne, UK; Northumbria Healthcare NHS Foundation Trust, North Tyneside General Hospital, North Shields, UK.

Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery
|October 25, 2016
PubMed
Summary
This summary is machine-generated.

Bariatric surgery did not significantly increase physical activity (PA) or decrease sedentary behavior, despite weight loss. Patients remain physically inactive post-surgery, highlighting a need for targeted PA interventions.

Keywords:
AccelerometerBariatric surgeryPhysical activitySedentary behavior

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Area of Science:

  • Bariatric surgery outcomes
  • Physical activity and sedentary behavior assessment
  • Obesity and weight management

Background:

  • Previous studies using self-reported data suggest increased physical activity (PA) after bariatric surgery.
  • The impact of bariatric surgery on PA and sedentary behavior requires further investigation using objective measures.

Purpose of the Study:

  • To evaluate changes in physical activity and sedentary behavior before and 6 months after bariatric surgery.
  • To compare subjective and objective assessment tools for measuring PA and sedentary behavior in this patient population.

Main Methods:

  • Recruited bariatric surgery candidates from a single center.
  • Collected demographic, medical, and anthropometric data.
  • Administered PA and lifestyle questionnaires and used wrist accelerometers for objective PA measurement pre- and post-surgery.

Main Results:

  • Twenty-two participants (17 gastric bypass, 4 sleeve gastrectomy, 1 intragastric balloon) completed the study.
  • Significant weight loss (mean 27 kg) was observed, but sedentary behavior (12.5±1.1 vs. 12.2±1.2 hours/day) and moderate-to-vigorous PA (11.5±13.9 vs. 11.6±13.1 min/day) did not change significantly.
  • Self-reported PA also showed no significant pre- to post-surgery changes.

Conclusions:

  • Bariatric surgery candidates are largely physically inactive before surgery.
  • No significant changes in physical activity or sedentary behavior were detected at 6 months post-surgery, despite weight reduction.
  • This patient group may benefit from objective PA assessment and tailored interventions to promote physical activity.