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The Relationship of Testosterone, Ap...

Schwartz, Alexander .

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The Relationship of Testosterone, Appetite, Food Intake and Exercise in Male Adolescents.

Record Type:	Electronic resources : Monograph/item
Title/Author:	The Relationship of Testosterone, Appetite, Food Intake and Exercise in Male Adolescents./
Author:	Schwartz, Alexander .
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	203 p.
Notes:	Source: Dissertations Abstracts International, Volume: 81-06, Section: B.
Contained By:	Dissertations Abstracts International81-06B.
Subject:	Nutrition. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=22624310
ISBN:	9781392840696

The Relationship of Testosterone, Appetite, Food Intake and Exercise in Male Adolescents.
Schwartz, Alexander .

The Relationship of Testosterone, Appetite, Food Intake and Exercise in Male Adolescents. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 203 p.

Source: Dissertations Abstracts International, Volume: 81-06, Section: B.

Thesis (Ph.D.)--University of Toronto (Canada), 2019.

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

The hypothesis that testosterone has an interactive relationship with food intake and high intensity exercise in adolescent males was explored in three experiments. Combined (Experiment 1) and separate (Experiment 2) effects of acute glucose and protein ingestion on testosterone were observed. In Experiment 1, testosterone decreased by 18.6 ± 3.1% (p < 0.01) after one hour of ingesting the combined glucose/protein beverage. In Experiment 2, testosterone decreased acutely 20 min after both protein and glucose ingestion with the decrease continuing after protein but not glucose after 65 minutes (p = 0.0382). No associations between testosterone and appetite or food intake were found. Experiment 3 aimed to define the effect of sustained bouts of high intensity exercise on testosterone. The effect of high intensity aerobic exercise (HIEX) on testosterone in adolescent males was measured through two sessions of either: 1) three 10-minute bouts of HIEX cycling at 75% VO2peak or 2) rest. Plasma testosterone concentrations increased by 21.5 ± 13.6% after three 10-minute bouts of HIEX when compared to rest (p = 0.0215) but testosterone was not correlated with appetite or appetite related hormones. Thus, the results of this research show the novel effects of acute nutrient intake and high intensity aerobic exercise on testosterone levels in adolescent males but no relationship with appetite and food intake regulation was established. Therefore, this research does not support the hypothesis that testosterone has a short-term interactive relationship with food intake.

ISBN: 9781392840696Subjects--Topical Terms:

517777
Nutrition.
Subjects--Index Terms:

appetite

The Relationship of Testosterone, Appetite, Food Intake and Exercise in Male Adolescents.
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245 1 4 $a The Relationship of Testosterone, Appetite, Food Intake and Exercise in Male Adolescents.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2019
300 $a 203 p.
500 $a Source: Dissertations Abstracts International, Volume: 81-06, Section: B.
500 $a Advisor: Anderson, Gerald H;Hamilton, Jill K.
502 $a Thesis (Ph.D.)--University of Toronto (Canada), 2019.
506 $a This item must not be sold to any third party vendors.
520 $a The hypothesis that testosterone has an interactive relationship with food intake and high intensity exercise in adolescent males was explored in three experiments. Combined (Experiment 1) and separate (Experiment 2) effects of acute glucose and protein ingestion on testosterone were observed. In Experiment 1, testosterone decreased by 18.6 ± 3.1% (p < 0.01) after one hour of ingesting the combined glucose/protein beverage. In Experiment 2, testosterone decreased acutely 20 min after both protein and glucose ingestion with the decrease continuing after protein but not glucose after 65 minutes (p = 0.0382). No associations between testosterone and appetite or food intake were found. Experiment 3 aimed to define the effect of sustained bouts of high intensity exercise on testosterone. The effect of high intensity aerobic exercise (HIEX) on testosterone in adolescent males was measured through two sessions of either: 1) three 10-minute bouts of HIEX cycling at 75% VO2peak or 2) rest. Plasma testosterone concentrations increased by 21.5 ± 13.6% after three 10-minute bouts of HIEX when compared to rest (p = 0.0215) but testosterone was not correlated with appetite or appetite related hormones. Thus, the results of this research show the novel effects of acute nutrient intake and high intensity aerobic exercise on testosterone levels in adolescent males but no relationship with appetite and food intake regulation was established. Therefore, this research does not support the hypothesis that testosterone has a short-term interactive relationship with food intake.
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