For the severely obese, even the slightest exercise can help them improve their quality of life and complete important daily tasks, say researchers at the Duke Diet and Fitness Center.
The findings are based on a pre-program assessment where patients reported, on average, just under one hour of exercise per week, individuals who were more active reported better overall-quality of life.
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"Things that many people take for granted like tying one's shoes, getting dressed, or simply moving around were easier for those who reported routine exercise," said Martin Binks, Ph.D., research director at the Duke Diet and Fitness Center, a residential weight loss program at Duke University Medical Center.
Other quality of life improvements associated with higher activity levels included the ability to complete basic daily tasks, such as getting up from chairs, using the stairs, dressing and undressing, and improved physical symptoms like feeling short of breath.
"These folks weren't reporting high levels of activity yet they still felt better. This supports what we've been teaching for years - no amount of exercise is too little to have an impact. And it's beneficial no matter what you weigh," he said.
Binks hopes the news that even a little activity offers benefits may spur some severely obese people to be more active.
"When you are 100 pounds overweight, as the average participant in our program is, people often feel defeated. They have trouble moving, and they think 'why bother.' This study shows why they should bother. It shows the value of starting to move no matter how overweight you are," he said.
Binks said that becoming even more active can lead to greater weight loss success, overall health, and better quality of life, but he stresses, "every little bit counts when it comes to quality of life improvements."
He presented the research, which included more than 1,200 participants, at the Obesity Society's annual scientific meeting in Phoenix AZ.