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Higher Intensity Exercise Increases Protein Turnover and Daily Protein Requirements of Male Endurance Athletes During Recovery.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Higher Intensity Exercise Increases Protein Turnover and Daily Protein Requirements of Male Endurance Athletes During Recovery./
作者:	Adams, Carolyn.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	117 p.
附註:	Source: Masters Abstracts International, Volume: 83-01.
Contained By:	Masters Abstracts International83-01.
標題:	Kinesiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28315092
ISBN:	9798522943172

Higher Intensity Exercise Increases Protein Turnover and Daily Protein Requirements of Male Endurance Athletes During Recovery.
Adams, Carolyn.

Higher Intensity Exercise Increases Protein Turnover and Daily Protein Requirements of Male Endurance Athletes During Recovery. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 117 p.

Source: Masters Abstracts International, Volume: 83-01.

Thesis (M.Sc.)--University of Toronto (Canada), 2021.

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

Purpose: Examine the effect of exercise intensity of prolonged running exercise on whole-body protein metabolism and protein requirements during recovery. Methods: Seven male endurance athletes completed two randomized exercise trials (20-km run) at LOW (~55% V̇O2peak), or HIGH (~72% V̇O2peak), intensity. Participants consumed 0.6g·kg-1 CHO pre-exercise. During the 8 h post-exercise, participants consumed 8.6g·kg-1·d-1 CHO and hourly meals providing 0.93g ·kg-1·d-1 protein, enriched with indicator AA [13C] phenylalanine. Breath and urine samples were collected to determine whole-body phenylalanine flux (PheRa), oxidation (PheOx), protein synthesis (PS), breakdown (PB) and net balance (NB). Results: The rate of CHO oxidation during exercise was 60% greater in HIGH vs LOW (P<0.001). PheOx had a large effect size and tended to be greater in HIGH (d=0.844, P=0.094). NB had a large effect size and tended to be less positive in HIGH (d=0.844, P=0.094). There was a moderate effect size for PheRa PS and PB. Conclusion: Post-exercise protein requirements are elevated following high vs low intensity endurance exercise.

ISBN: 9798522943172Subjects--Topical Terms:

517627
Kinesiology.
Subjects--Index Terms:

Dietary Protein

Higher Intensity Exercise Increases Protein Turnover and Daily Protein Requirements of Male Endurance Athletes During Recovery.
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520 $a Purpose: Examine the effect of exercise intensity of prolonged running exercise on whole-body protein metabolism and protein requirements during recovery. Methods: Seven male endurance athletes completed two randomized exercise trials (20-km run) at LOW (~55% V̇O2peak), or HIGH (~72% V̇O2peak), intensity. Participants consumed 0.6g·kg-1 CHO pre-exercise. During the 8 h post-exercise, participants consumed 8.6g·kg-1·d-1 CHO and hourly meals providing 0.93g ·kg-1·d-1 protein, enriched with indicator AA [13C] phenylalanine. Breath and urine samples were collected to determine whole-body phenylalanine flux (PheRa), oxidation (PheOx), protein synthesis (PS), breakdown (PB) and net balance (NB). Results: The rate of CHO oxidation during exercise was 60% greater in HIGH vs LOW (P<0.001). PheOx had a large effect size and tended to be greater in HIGH (d=0.844, P=0.094). NB had a large effect size and tended to be less positive in HIGH (d=0.844, P=0.094). There was a moderate effect size for PheRa PS and PB. Conclusion: Post-exercise protein requirements are elevated following high vs low intensity endurance exercise.
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