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Body Composition, Muscular Performan...

Stone, Matthew Steven.

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Body Composition, Muscular Performance, and Free Testosterone following 12-Weeks of Protein Supplementation and Resistance Training in Men Aged 35-55.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Body Composition, Muscular Performance, and Free Testosterone following 12-Weeks of Protein Supplementation and Resistance Training in Men Aged 35-55./
作者:	Stone, Matthew Steven.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
面頁冊數:	115 p.
附註:	Source: Dissertations Abstracts International, Volume: 79-11, Section: B.
Contained By:	Dissertations Abstracts International79-11B.
標題:	Nutrition. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10822908
ISBN:	9780355959499

Body Composition, Muscular Performance, and Free Testosterone following 12-Weeks of Protein Supplementation and Resistance Training in Men Aged 35-55.
Stone, Matthew Steven.

Body Composition, Muscular Performance, and Free Testosterone following 12-Weeks of Protein Supplementation and Resistance Training in Men Aged 35-55. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 115 p.

Source: Dissertations Abstracts International, Volume: 79-11, Section: B.

Thesis (Ph.D.)--University of Arkansas, 2018.

This item must not be sold to any third party vendors.

PURPOSE: The purpose of this study was to investigate the effects of 12 weeks of protein supplementation and Autoregulatory Progressive Resistance Exercise (APRE) training on measures of body composition, muscular performance, and free testosterone in middle-aged men. METHODS: Untrained males (n = 35; 43.3 ± 6.6 years) participated in this study. Lean mass (LM) and fat mass (FM) were measured via Dual Energy X-ray Absorptiometry (DEXA), while strength was measured utilizing one repetition maximum (1RM), endurance measured using maximum repetitions completed (REPS) at 75% 1RM for the bench and leg press, and free testosterone was measured using changes in serum values. Subjects were randomly placed into one of four groups: protein (PO), APRE, protein plus APRE (PAPRE), or control (CON). Subjects repeated testing for the DEXA, 1RM, REPS, and blood draw every four weeks for 12 weeks. Both PO and PAPRE groups ingested 25g of supplemental protein twice daily. Subjects in the exercise groups completed a resistance training program, 3 days per week, for 12 weeks. RESULTS: Analysis revealed a significant time interaction (p < .01) and a trend towards significance for group time interaction (p = .08) between baseline and week 12 for LM, with the APRE and PAPRE groups showing a significant increase following the 12-weeks. Significant time and group by time interactions (p < .01) occurred for BP and LP 1RM. APRE and PAPRE displayed increases at multiple times over the course of the 12-weeks for both BP and LP, while the PRO and CON groups exhibited increases for LP only. While REPS remained unchanged (p > .05), volume lifted exhibited a significant time interaction between baseline and week 12 for BP and LP (p < .01), and a significant group by time interaction for LP (p < .01). PRO increased BP volume, and PAPRE increased both BP and LP volume, while APRE and CON remained relatively the same following the 12-weeks. There were no significant changes in serum free testosterone over the course of the 12-week study. CONCLUSION: APRE, alone and in combination with supplemental protein, provides greater benefits in changes in LM and muscular performance compared to that of supplemental protein alone for middle-aged men following a 12-week intervention.

ISBN: 9780355959499Subjects--Topical Terms:

517777
Nutrition.
Subjects--Index Terms:

Aging

Body Composition, Muscular Performance, and Free Testosterone following 12-Weeks of Protein Supplementation and Resistance Training in Men Aged 35-55.
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