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Exercise and Activity in Obesity Management Mark Young, Bkin, CK.

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Presentation on theme: "Exercise and Activity in Obesity Management Mark Young, Bkin, CK."— Presentation transcript:

1 Exercise and Activity in Obesity Management Mark Young, Bkin, CK

2 Exercise and Calorie Expenditure -Average person burns ~ 5-10 calories / minute during exercise - Equals approximately 300-600 calories per hour of activity - 1 pound of fat = 3500 calories - To burn 1 pound of fat = 5.8-11.7 hours of exercise per week - This amounts to 50-100 minutes per day!!!

3 Exercise and Weight Loss Wing. Med Sci Sports Exerc 1999;31(suppl):S547. *P<0.05 vs control group Duration of each study ranged from 4 to 12 months. Stefanick 1998 Stefanick 1998a Anderssen 1995 Hammer 1989 Verity 1989 Rönnemaa 1988 Wood 1988 Wood 1983 Weight loss (kg) Control Group Exercise Group * * * *

4 Exercise and Weight Loss *P<0.05 vs diet-only group. Wadden 1997 Ross 1996 Marks 1995 Ross 1995 Blonk 1994 Sweeney 1993 Bertram 1990 Weight loss (kg) Diet Only Diet + Exercise * Wing RR. Med Sci Sports Exerc. 1999;31(suppl):S547-S552. Each study ranged from 4 to 6 months.

5 Exercise and Fat-Free Mass Diet Only Loss of Fat-Free Mass (% Total Weight Loss) Diet Plus Physical Activity Men Women *P<0.05 Reprinted with permission from Int J Obes Relat Metab Disord, Ballor and Poehlman;18:35. Copyright 1994 Macmillan Publishers Ltd.

6 Exercise and Weight Maintenance Not Maintained Subjects Exercising (%) P<0.001 Weight Loss Pattern Maintained Reprinted with permission by the American Journal of Clinical Nutrition. © Am J Clin Nutr. American Society for Clinical Nutrition.

7 But what if it isnt all just about weight?

8 Exercise and Visceral Fat

9 Exercise and Waist Circumference

10 Exercise and Body Composition

11 Exercise and Cardiovascular Risk

12 Exercise and Cardiovascular Fitness

13 Summary - Exercise has a modest effect on weight loss - Exercise plays a key role in maintenance of fat free mass and weight maintenance

14 Summary - Exercise (even with little weight loss) can have positive effects on Diabetes, hypertension, visceral fat, functional capacity, cardiovascular fitness, and other obesity related comorbidities. - These benefits can be had in as little as 150 minutes per week split between aerobic and resistance training.

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