POEMs

Combination of Resistance and Aerobic Exercise Best for Older Persons with Obesity

 

Am Fam Physician. 2017 Sep 1;96(5):331.

Clinical Question

In older adults with obesity who have mild to moderate frailty, what is the best type of exercise program?

Bottom Line

In older patients with obesity embarking on a program to improve their health, weight loss accompanied by resistance training and aerobic training resulted in the biggest gains in functional status and physical performance. (Level of Evidence = 1b)

Synopsis

A previous study by these researchers showed that in older adults with obesity, the combination of exercise and weight loss was better at improving function than either alone (N Engl J Med. 2011;364(13):1218–1229). The current study identified 160 adults, 65 years and older, with a body mass index (BMI) of at least 30 kg per m2 who had mild to moderate frailty based on a standardized test of physical function (the Physical Performance Test; range = 0 to 36 points, where higher is better). All were deemed healthy enough to participate in an exercise program. The mean age of participants was 70 years, approximately two-thirds were women, nearly 90% were white, and their average BMI was 37 kg per m2. They were randomized into one of four groups: aerobic exercise plus weight loss, resistance exercise plus weight loss, both types of exercise plus weight loss, and no intervention. Aerobic exercise consisted of three one-hour sessions per week, and resistance training also consisted of three one-hour sessions weekly. Of the 160 patients, 141 completed the six-week trial; analysis was by intention to treat, and a similar number were lost to follow-up in each group. Outcomes were assessed by persons masked to the intervention.

At the end of the study, persons in the intervention groups lost an average of 8% to 10% of their body weight. The authors evaluated a range of measures, both physiologic and functional. The Physical Performance Test and the Functional Status Questionnaire score increased the most in the group that did resistance training plus aerobic exercise. This group's improvements in strength

POEMs (patient-oriented evidence that matters) are provided by EssentialEvidence Plus, a point-of-care clinical decision support system published by Wiley-Blackwell. For more information, please see http://www.essentialevidenceplus.com. Copyright Wiley-Blackwell. Used with permission.

For definitions of levels of evidence used in POEMs, see http://www.essentialevidenceplus.com/product/ebm_loe.cfm?show=oxford.

To subscribe to a free podcast of these and other POEMs that appear in AFP, search in iTunes for “POEM of the Week” or go to http://goo.gl/3niWXb.

This series is coordinated by Sumi Sexton, MD, Associate Deputy Editor.

A collection of POEMs published in AFP is available at http://www.aafp.org/afp/poems.

 

 

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