Next Article in Journal
24-Hour Glucose Profiles on Diets Varying in Protein Content and Glycemic Index
Previous Article in Journal
Dietary Intervention Restored Menses in Female Athletes with Exercise-Associated Menstrual Dysfunction with Limited Impact on Bone and Muscle Health
Article Menu

Export Article

Open AccessArticle
Nutrients 2014, 6(8), 3040-3049; doi:10.3390/nu6083040

Protein Supplementation with Low Fat Meat after Resistance Training: Effects on Body Composition and Strength

1
Laboratory of Pharmacobiochemistry, Sports Nutrition and Nutriceuticals, University of Pavia, via A. Ferrata, 9-27100 Pavia, Italy
2
LAMA (Laboratory of Adapted Motor Activity)-CRIAMS, University of Pavia, via C. Forlanini, 2-27100 Pavia, Italy
3
Department of Public Health, Experimental Medicine and Forensic Science, University of Pavia, via C. Forlanini, 2-27100 Pavia, Italy
*
Author to whom correspondence should be addressed.
Received: 4 May 2014 / Revised: 23 June 2014 / Accepted: 16 July 2014 / Published: 4 August 2014
View Full-Text   |   Download PDF [292 KB, uploaded 4 August 2014]   |  

Abstract

Beef is a nutrient-rich, high-quality protein containing all the essential amino acids in proportions similar to those found in human skeletal muscle. In order to investigate the efficacy of a beef supplementation strategy on strength and body composition, we recruited 26 young healthy adults to participate in a resistance-training program of eight weeks, based on the use of isotonic machines and free weights at 75% of one repetition maximum. Subjects were randomly divided into two groups, food group and control group, of 12 and 14 subjects respectively. Food group were supplemented after resistance training with a 135 g serving of lean beef (tinned meat), providing 20 g of protein and 1.7 g of fat. No supplementation was provided to control group. Fat mass, fat free mass, lean mass, assessed by bioelectrical impedance analyzer, and muscle strength, assessed by one repetition maximum test, were evaluated in all subjects both at the beginning (week 0) and at the end (week 8) of the study. Pre- and post-training differences were evaluated with paired t-tests while group differences for each outcome parameter was evaluated with independent t-tests. At the end of the study the food group showed a significantly decrease in fat mass (week 0: 15.0 ± 6.7 kg; week 8: 13.1 ± 7.6 kg; Δ: −1.9 ± 2.9 kg; p < 0.05) and a significantly increase in fat free mass (week 0: 52.8 kg ± 9.4; week 8: 55.1 kg ± 10.9; Δ: 2.3 ± 2.5 kg; p < 0.01). No significant differences in lean mass were found in either food group or control group. No significant differences in one repetition maximum tests were found between food group and control group. Tinned meat can be considered a nutrition strategy in addition to other proteins or amino acid supplements, but as with any other supplementation strategy, a proper nutrition plan must be coupled. View Full-Text
Keywords: meat protein; resistance exercise; supplementation timing; lean body mass; muscle strength; muscle recovery meat protein; resistance exercise; supplementation timing; lean body mass; muscle strength; muscle recovery
Figures

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Negro, M.; Vandoni, M.; Ottobrini, S.; Codrons, E.; Correale, L.; Buonocore, D.; Marzatico, F. Protein Supplementation with Low Fat Meat after Resistance Training: Effects on Body Composition and Strength. Nutrients 2014, 6, 3040-3049.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Nutrients EISSN 2072-6643 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top