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Obesity01:24

Obesity

387
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
387

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Is sedentary behavior associated with body composition in multiple sclerosis?

Brenda Jeng1, Robert W Motl1

  • 1Department of Physical Therapy, University of Alabama at Birmingham, Birmingham, AL, USA; Department of Kinesiology and Nutrition, University of Illinois Chicago, Chicago, IL, USA.

Multiple Sclerosis and Related Disorders
|October 24, 2024
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Sedentary time did not correlate with body composition in multiple sclerosis (MS) patients. Further research is needed to identify other factors influencing body composition beyond sedentary behavior in MS.

Keywords:
Body compositionMultiple sclerosisObesityPhysical activitySedentary behavior

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Area of Science:

  • Neurology
  • Exercise Science
  • Body Composition Analysis

Background:

  • Conflicting evidence exists on the link between sedentary behavior and body mass index in multiple sclerosis (MS).
  • Previous studies may have limitations in measuring sedentary behavior and body composition accurately.

Purpose of the Study:

  • To investigate the association between device-measured sedentary time and body composition in individuals with MS.
  • To control for potential confounding factors including age, sex, disability, and physical activity.

Main Methods:

  • 62 participants with MS were recruited across various body mass index categories.
  • Body composition was assessed using dual-energy x-ray absorptiometry (DXA).
  • Participants wore an accelerometer for 7 days to measure sedentary time.

Main Results:

  • No significant correlation was found between sedentary time and percent fat mass (p = .36).
  • Sedentary time was not associated with lean mass (p = .40), bone mineral content (p = .80), or bone mineral density (p = .11).

Conclusions:

  • Sedentary behavior duration was not a significant predictor of body composition in this MS cohort.
  • Future research should explore alternative predictors of body composition and other consequences of sedentary behavior in MS.