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Vol. 44, No. 1, 2000
Issue release date: January–February 2000
Section title: Original Paper
Ann Nutr Metab 2000;44:21–29
(DOI:10.1159/000012817)

Effect of a Hypocaloric Diet, Increased Protein Intake and Resistance Training on Lean Mass Gains and Fat Mass Loss in Overweight Police Officers

Demling R.H. · DeSanti L.
Brigham and Women’s Hospital, Boston, Mass., USA

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Published online: 5/26/2000

Number of Print Pages: 9
Number of Figures: 2
Number of Tables: 3

ISSN: 0250-6807 (Print)
eISSN: 1421-9697 (Online)

For additional information: http://www.karger.com/ANM

Abstract

We compare the effects of a moderate hypocaloric, high-protein diet and resistance training, using two different protein supplements, versus hypocaloric diet alone on body compositional changes in overweight police officers. A randomized, prospective 12-week study was performed comparing the changes in body composition produced by three different treatment modalities in three study groups. One group (n = 10) was placed on a nonlipogenic, hypocaloric diet alone (80% of predicted needs). A second group (n = 14) was placed on the hypocaloric diet plus resistance exercise plus a high-protein intake (1.5 g/kg/day) using a casein protein hydrolysate. In the third group (n = 14) treatment was identical to the second, except for the use of a whey protein hydrolysate. We found that weight loss was approximately 2.5 kg in all three groups. Mean percent body fat with diet alone decreased from a baseline of 27 ± 1.8 to 25 ± 1.3% at 12 weeks. With diet, exercise and casein the decrease was from 26 ± 1.7 to 18 ± 1.1% and with diet, exercise and whey protein the decrease was from 27 ± 1.6 to 23 ± 1.3%. The mean fat loss was 2.5 ± 0.6, 7.0 ± 2.1 and 4.2 ± 0.9 kg in the three groups, respectively. Lean mass gains in the three groups did not change for diet alone, versus gains of 4 ± 1.4 and 2 ± 0.7 kg in the casein and whey groups, respectively. Mean increase in strength for chest, shoulder and legs was 59 ± 9% for casein and 29 ± 9% for whey, a significant group difference. This significant difference in body composition and strength is likely due to improved nitrogen retention and overall anticatabolic effects caused by the peptide components of the casein hydrolysate.


  

Author Contacts

Robert H. Demling, MD
Brigham and Women’s Hospital
75 Francis Street
Boston, MA 02115 (USA)
Tel. +1 617 732 7715, Fax +1 617 566 9549, E-Mail rhdemling@partners.org

  

Article Information

Received: Received: October 8, 1999
Accepted: January 12, 2000
Number of Print Pages : 9
Number of Figures : 2, Number of Tables : 3, Number of References : 54

  

Publication Details

Annals of Nutrition & Metabolism (European Journal of Nutrition, Metabolic Diseases and Dietetics)
Founded 1959 as ’Nutritio et Dieta‘ by E. Azerad, H. Kapp and J. Trémolières
Official Journal of the Federation of European Nutrition Societies (FENS)

Vol. 44, No. 1, Year 2000 (Cover Date: January-February 2000)

Journal Editor: G. Wolfram, Freising
ISSN: 0250–6807 (print), 1421–9697 (Online)

For additional information: http://www.karger.com/journals/anm


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Published online: 5/26/2000

Number of Print Pages: 9
Number of Figures: 2
Number of Tables: 3

ISSN: 0250-6807 (Print)
eISSN: 1421-9697 (Online)

For additional information: http://www.karger.com/ANM


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in goverment regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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