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Abstracts » Sports and fitness

Androgenic responses to resistance exercise: Effects of feeding and L-carnitine

Article Abstract:

An investigation was conducted to determine the effects of 3 weeks of L-carnitine L-tartrate (LCLT) supplementation and post-resistance-exercise (RE) feeding on hormonal and androgen receptor (AR) responses. These data confirmed that feeding after RE increased AR content, which result in testosterone uptake and enhanced luteinizing hormone secretion by feedback mechanisms and LCLT supplementation upregulated AR content, which promotes recovery from RE.

Author: Maresh, Carl M., Kraemer, William J., Volek, Jeff S., Ratamess, Nicholas A., Rubin, Martyn R., Deschenes, Michael R., Sharman, Matthew J., Spiering, Barry A., Judelson, Daniel A., Silvestre, Ricardo, French, Duncan N., Vingren, Jakob L., Hatfield, Disa I., Van Heest, Jaci L.
Publisher: Lippincott Williams & Wilkins, WK Health
Publication Name: Medicine and Science in Sports and Exercise
Subject: Sports and fitness
ISSN: 0195-9131
Year: 2006
Analysis, Isometric exercise, Testosterone, Levocarnitine, Dose-response relationship (Biochemistry), Dose-response relationship, Clinical report

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Effects of chromium supplementation of glycogen synthesis after high-intensity exercise

Article Abstract:

Effects of chromium supplementation of glycogen synthesis after high-intensity exercise and insulin signaling in humans are investigated. Chromium supplementation is not found to augment glycogen synthesis during recovery from high-intensity exercise and high-carbohydrate feeding, although there is a trend for lower placebo (Pl) 3-kinase activity.

Author: Maresh, Carl M., Kraemer, William J., Volek, Jeff S., Kirwan, John P., Sharman, Matthew J., Spiering, Barry A., Judelson, Daniel A., Silvestre, Ricardo, Vingren, Jakob L., Vanheest, Jaci, L.
Publisher: Lippincott Williams & Wilkins, WK Health
Publication Name: Medicine and Science in Sports and Exercise
Subject: Sports and fitness
ISSN: 0195-9131
Year: 2006
Australia, Physiological aspects, Exercise, Glycogen, Glycogen synthesis, Chromium (Nutrient)

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Endurance capacity and high-intensity exercise performance responses to a high-fat diet

Article Abstract:

The effects of a high-fat/moderate protein (HFMP) diet on submaximal, maximal, and supramaximal performance are examined. It was observed that adaptation to the HFMP diet resulted in maximal oxygen consumption that could be attributed to a reduction in body mass.

Author: Kraemer, William J., Volek, Jeff S., Gomez, Ana L., Scheett, Timothy P., Sharman, Matthew J., Fleming, Jesse, Avery, Neva G., Love, Dawn M.
Publisher: Human Kinetics Publishers, Inc.
Publication Name: International Journal of Sport Nutrition and Exercise Metabolism
Subject: Sports and fitness
ISSN: 1050-1606
Year: 2003
Science & research, Research, Cycling, Endurance sports, Ketones

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Subjects list: Health aspects
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