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Effects of weight cycling caused by intermittent dieting on metabolic rate and body composition in obese women.
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Int J Obes 1991 May;15(5):367-74 Effects of weight cycling caused by intermittent dieting on metabolic rate and body composition in obese women. Jebb SA, Goldberg GR, Coward WA, Murgatroyd PR, Prentice AM. MRC Dunn Clinical Nutrition Centre, Cambridge, UK. The effects of repeated periods of weight loss and regain on metabolic rate and body composition were investigated in 11 obese women (mean weight 81.98 kg, height 1.61 m, body mass index 31.44 kg/m2) studied for 18 weeks through three consecutive cycles of 2 weeks dieting followed by 4 weeks ad libitum eating. Weight loss was achieved by a very low energy diet (1861kJ/day). Basal metabolic rate (BMR) was measured by whole-body indirect calorimetry and body composition by a variety of standard in vivo methods. During the three diet periods mean weight losses were 4.44, 3.29 and 2.98 kg although the mean overall weight loss from week 0 to 18 was only 5.93 kg. The proportion of weight lost as fat was estimated as between 67 and 105 per cent of the weight lost depending on the body composition methodology employed. Absolute BMR decreased in response to dieting by 545, 285 and 286 kJ/day. When corrected for body weight and FFM only the decreases in the first diet period were significant (P less than 0.05 and P less than 0.001 respectively). BMR had returned to normal following each 4-week ad libitum period and by the end of the study absolute BMR and BMR/kg FFM had not changed significantly, despite a significant loss of weight. Consequently BMR/kg was increased (P less than 0.01), indicative of the loss of adipose tissue. We have found no evidence in this group of obese women that weight cycling leads to a progressive decrease in BMR or increase in the proportion of body fat. NR http://www.pat-acceptance.org/kookrant.html http://www.pat-acceptance.org/kookrant2.html If I catch you busting into a mass and vilifying a church, the last thing you'll hear in your entire life, will be the ratatatatat of an automatic. - --Steve Chaney to Mark Ira Kaufman Message-ID: Young Mr. Chaney, the man who has told me that he wants to murder me and sodomize women in my family, has said, repeatedly, that advocates for choice had vandalized churches. - --Mark Ira Kaufman Message-ID: she probably has to have her picture taken by satellite because no normal camera can fit all that whale blubber into one picture. - --Steve Chaney Message-ID: Excessively fat women look ugly. It is impractical to try and have sex when she's 100lbs overweight and the weight is all fat - but most women ain't that big. - --Steve Chaney Message-ID: You of course do know what a lot of Asian women prefer, right? Besides, after ****ing a cute asian chick, experience tells me it isn't all that except that she looks good on your arm. In bed it ain't much at all. If the lights go out, any guy whose hormones are more fixed on performance than looks, is going to go to sleep right there and then. - --Steve Chaney Message-ID: Clarice and Allisson were well beyond a BMI of 25 in their pictures where they were called cows. - --Steve Chaney Message-ID: If Dutton knocked on Steve's door and Steve shot him in the face, I would really not care. - --Crash Street Kidd about Steve Chaney Message-ID: Stephen A Chaney admits to sodomizing his daughter if he forges me now. -----BEGIN PGP SIGNATURE----- Version: N/A iQA/AwUBQK9z0DL3IlvsWvnjEQLI5gCgyJHyei6VtQWNvs6qXYea9C q64N8AoKHe uN8zwDy2HnebpxFwG3Tezrdv =ltZw -----END PGP SIGNATURE----- |
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