Thermoregulatory Effects of Caffeine Ingestion During Rest and Exercise in Men

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722840679
Total Pages : 62 pages
Book Rating : 4.8/5 (46 download)

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Book Synopsis Thermoregulatory Effects of Caffeine Ingestion During Rest and Exercise in Men by : National Aeronautics and Space Administration (NASA)

Download or read book Thermoregulatory Effects of Caffeine Ingestion During Rest and Exercise in Men written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Body temperatures and thermoregulatory responses were measured at rest and during submaximal exercise under normal ambient conditions in 11 aerobically-conditioned men (age = 29.2 +/- 6.2 yr, VO2(max) = 3.73 +/- 0.46 min(sup -1), relative body fat = 12.3 +/- 3.7 percent, mean +/- SD) with (CT) and without (NCT) the ingestion of 10 mg of caffeine per kg of body weight. Oxygen uptake (VO2), heart rate (HR), and rectal (T(sub re)) and mean skin (T-bar(sub sk)) temperatures were recorded for 100 minutes starting one minute after ingestion of caffeine or a placebo. Data were collected throughout 30 minutes of rest (sitting) and the following 70 minutes of sitting leg ergometer exercise using the same constant load (1,088 +/- 153 kgm/min) in both NCT and CT. The load resulted in a mean relative exercise intensity equal to approximately 68 percent of VO2(sub max). Skin heat conductance (H(sub sk)) and sweat rate were calculated. Two-way analysis of covariance revealed no significant (P greater than 0.05) differences between NCT and CT in VO2, HR, T(sub re), T-bar(sub sk), or H(sub sk). A dependent t-test indicated no significant difference between NCT and CT in sweat rate. Thus, a high level of caffeine ingestion has no detrimental effects on body temperatures and thermoregulatory responses during moderately heavy exercise in normal ambient conditions. Dunagan, Nancy and Greenleaf, John E. and Cisar, Craig J. Ames Research Center...

Thermoregulatory Effects of Caffeine Ingestion During Rest and Exercise in Men

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Publisher : Independently Published
ISBN 13 : 9781730896002
Total Pages : 62 pages
Book Rating : 4.8/5 (96 download)

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Book Synopsis Thermoregulatory Effects of Caffeine Ingestion During Rest and Exercise in Men by : National Aeronautics and Space Adm Nasa

Download or read book Thermoregulatory Effects of Caffeine Ingestion During Rest and Exercise in Men written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-11-06 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Body temperatures and thermoregulatory responses were measured at rest and during submaximal exercise under normal ambient conditions in 11 aerobically-conditioned men (age = 29.2 +/- 6.2 yr, VO2(max) = 3.73 +/- 0.46 min(sup -1), relative body fat = 12.3 +/- 3.7 percent, mean +/- SD) with (CT) and without (NCT) the ingestion of 10 mg of caffeine per kg of body weight. Oxygen uptake (VO2), heart rate (HR), and rectal (T(sub re)) and mean skin (T-bar(sub sk)) temperatures were recorded for 100 minutes starting one minute after ingestion of caffeine or a placebo. Data were collected throughout 30 minutes of rest (sitting) and the following 70 minutes of sitting leg ergometer exercise using the same constant load (1,088 +/- 153 kgm/min) in both NCT and CT. The load resulted in a mean relative exercise intensity equal to approximately 68 percent of VO2(sub max). Skin heat conductance (H(sub sk)) and sweat rate were calculated. Two-way analysis of covariance revealed no significant (P greater than 0.05) differences between NCT and CT in VO2, HR, T(sub re), T-bar(sub sk), or H(sub sk). A dependent t-test indicated no significant difference between NCT and CT in sweat rate. Thus, a high level of caffeine ingestion has no detrimental effects on body temperatures and thermoregulatory responses during moderately heavy exercise in normal ambient conditions. Dunagan, Nancy and Greenleaf, John E. and Cisar, Craig J. Ames Research Center...

Thermoregulatory Effects of Caffeine Ingestion During Rest and Exercise in Men

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Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Thermoregulatory Effects of Caffeine Ingestion During Rest and Exercise in Men by : Nancy A. Dunagan

Download or read book Thermoregulatory Effects of Caffeine Ingestion During Rest and Exercise in Men written by Nancy A. Dunagan and published by . This book was released on 1994 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effect of Caffeine Ingestion on Cardiovascular and Thermoregulatory Function During Maximal and Submaximal Exercise

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Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis The Effect of Caffeine Ingestion on Cardiovascular and Thermoregulatory Function During Maximal and Submaximal Exercise by : Jeff Miller

Download or read book The Effect of Caffeine Ingestion on Cardiovascular and Thermoregulatory Function During Maximal and Submaximal Exercise written by Jeff Miller and published by . This book was released on 1985 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effects of Caffeine Ingestion on Cardiorespiratory Functions Temperature Regulation and Endurance Capacity During Submaximal Exercise

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Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (323 download)

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Book Synopsis The Effects of Caffeine Ingestion on Cardiorespiratory Functions Temperature Regulation and Endurance Capacity During Submaximal Exercise by : Ephraim Eyo Inameti

Download or read book The Effects of Caffeine Ingestion on Cardiorespiratory Functions Temperature Regulation and Endurance Capacity During Submaximal Exercise written by Ephraim Eyo Inameti and published by . This book was released on 1988 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effect of Caffeine Ingestion on Heart Rate and Blood Lactate Response During Recovery from Aerobic Exercise Among Trained Young Men

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ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (842 download)

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Book Synopsis The Effect of Caffeine Ingestion on Heart Rate and Blood Lactate Response During Recovery from Aerobic Exercise Among Trained Young Men by : Ian Crandall

Download or read book The Effect of Caffeine Ingestion on Heart Rate and Blood Lactate Response During Recovery from Aerobic Exercise Among Trained Young Men written by Ian Crandall and published by . This book was released on 2013 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examined the effects of 3mg/kg bodyweight of orally ingested caffeine on heart rate and blood lactate response during recovery from aerobic exercise among aerobically trained young men. Participants were assigned to two treatments in a random, double-blind, crossover fashion. The results revealed no significant mean difference between treatments at any time point in either heart rate or blood lactate.

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 956 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Caffeine for the Sustainment of Mental Task Performance

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Publisher : National Academies Press
ISBN 13 : 0309082587
Total Pages : 172 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Caffeine for the Sustainment of Mental Task Performance by : Institute of Medicine

Download or read book Caffeine for the Sustainment of Mental Task Performance written by Institute of Medicine and published by National Academies Press. This book was released on 2002-01-07 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report from the Committee on Military Nutrition Research reviews the history of caffeine usage, the metabolism of caffeine, and its physiological effects. The effects of caffeine on physical performance, cognitive function and alertness, and alleviation of sleep deprivation impairments are discussed in light of recent scientific literature. The impact of caffeine consumption on various aspects of health, including cardiovascular disease, reproduction, bone mineral density, and fluid homeostasis are reviewed. The behavioral effects of caffeine are also discussed, including the effect of caffeine on reaction to stress, withdrawal effects, and detrimental effects of high intakes. The amounts of caffeine found to enhance vigilance and reaction time consistently are reviewed and recommendations are made with respect to amounts of caffeine appropriate for maintaining alertness of military personnel during field operations. Recommendations are also provided on the need for appropriate labeling of caffeine-containing supplements, and education of military personnel on the use of these supplements. A brief review of some alternatives to caffeine is also provided.

Borg's Perceived Exertion and Pain Scales

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Publisher : Human Kinetics Publishers
ISBN 13 : 9780880116237
Total Pages : 104 pages
Book Rating : 4.1/5 (162 download)

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Book Synopsis Borg's Perceived Exertion and Pain Scales by : Gunnar Borg

Download or read book Borg's Perceived Exertion and Pain Scales written by Gunnar Borg and published by Human Kinetics Publishers. This book was released on 1998 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dr. Gunnar Borg introduced the field of perceived exertion in the 1950s. His ratings of perceived exertion (RPE) scale is used worldwide by professionals in medicine, exercise physiology, psychology, cardiology, ergonomy, and sports. Now, Dr. Borg presents the definitive source for using the latest RPE and CR10 scales correctly. Borg's Perceived Exertion and Pain Scalesbegins with an overview and history to introduce readers to the field of perceived exertion. The book then covers principles of scaling and applications of both the RPE and the CR10 scaling methods. This user-friendly, informative, and readable text -discusses the fundamental bases of perceived exertion, -presents information on uses and misuses of the scales, and -provides guidance and direction on how and when to measure subjective somatic symptoms. A special appendix in the back of the book includes tear-out cards containing three RPE scales and three CR10 scales. A scale and instructions for how the scale is used are printed on each two-sided card. Borg's Perceived Exertion and Pain Scalesis the complete theoretical and methodological guide to the field of human perception.

Committee on Military Nutrition Research

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Publisher : National Academies Press
ISBN 13 : 0309172764
Total Pages : 303 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Committee on Military Nutrition Research by : Institute of Medicine

Download or read book Committee on Military Nutrition Research written by Institute of Medicine and published by National Academies Press. This book was released on 1999-08-04 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: The activities of the Food and Nutrition Board's Committee on Military Nutrition Research (CMNR, the committee) have been supported since 1994 by grant DAMD17-94-J-4046 from the U.S. Army Medical Research and Materiel Command (USAMRMC). This report fulfills the final reporting requirement of the grant, and presents a summary of activities for the grant period from December 1, 1994 through May 31, 1999. During this grant period, the CMNR has met from three to six times each year in response to issues that are brought to the committee through the Military Nutrition and Biochemistry Division of the U.S. Army Research Institute of Environmental Medicine at Natick, Massachusetts, and the Military Operational Medicine Program of USAMRMC at Fort Detrick, Maryland. The CMNR has submitted five workshop reports (plus two preliminary reports), including one that is a joint project with the Subcommittee on Body Composition, Nutrition, and Health of Military Women; three letter reports, and one brief report, all with recommendations, to the Commander, U.S. Army Medical Research and Materiel Command, since September 1995 and has a brief report currently in preparation. These reports are summarized in the following activity report with synopses of additional topics for which reports were deferred pending completion of military research in progress. This activity report includes as appendixes the conclusions and recommendations from the nine reports and has been prepared in a fashion to allow rapid access to committee recommendations on the topics covered over the time period.

Physical Fitness/sports Medicine

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Publisher :
ISBN 13 :
Total Pages : 420 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Physical Fitness/sports Medicine by :

Download or read book Physical Fitness/sports Medicine written by and published by . This book was released on 1983 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quarterly. Covers medical aspects of exercise, exercise physiology, physical conditioning, and sports injuries. Includes worldwide journals and some papers presented at selected congresses. Index medicus format with subject and author listings.

Exertional Heat Illnesses

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Publisher : Human Kinetics
ISBN 13 : 9780736037716
Total Pages : 300 pages
Book Rating : 4.0/5 (377 download)

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Book Synopsis Exertional Heat Illnesses by : Lawrence E. Armstrong

Download or read book Exertional Heat Illnesses written by Lawrence E. Armstrong and published by Human Kinetics. This book was released on 2003 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only text to focus exclusively on heat-related illnesses. Full of practical advice for professionals in a variety of medical, academic, & commercial settings. Learn how to identify, treat & prevent exertional heat illnesses & ensure your sporting events are safe.

Cumulated Index Medicus

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Publisher :
ISBN 13 :
Total Pages : 1092 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Cumulated Index Medicus by :

Download or read book Cumulated Index Medicus written by and published by . This book was released on 1983 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Practical Applications in Sports Nutrition

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Publisher : Jones & Bartlett Publishers
ISBN 13 : 144969005X
Total Pages : 570 pages
Book Rating : 4.4/5 (496 download)

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Book Synopsis Practical Applications in Sports Nutrition by : Heather Hedrick Fink

Download or read book Practical Applications in Sports Nutrition written by Heather Hedrick Fink and published by Jones & Bartlett Publishers. This book was released on 2013-11-25 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Revised and updated to keep pace with the growing changes in the field, the Fourth Edition of Practical Applications in Sports Nutrition provides students and practitioners with the latest sports nutrition information and dietary practices, and prepares them to assist athletes and fitness enthusiasts in achieving their personal performance goals. Early chapters provide an introduction to sports nutrition and give a thorough explanation of macronutrients, micronutrients, and water and their relation to athletic performance. Later chapters focus on the practical and applied aspects of sports nutrition including behavior change through consultations and weight management. Chapter 15 targets the unique nutrition requirements of special populations such as athletes who are pregnant, vegetarian, or have chronic diseases. The text concludes with a chapter dedicated to helping readers discover the pathway to becoming a sports dietitian through education and experience. New to the Fourth Edition: • New discussion of sports nutritionists as evidence-based practitioners • Current MyPlate food group recommendations • Revised discussion of the relationship between current body weight and carbohydrate intake, as well as the types and the amounts of carbohydrates that should be consumed during exercise • New Food For Thought callouts identify related material in Sports Nutrition Workbook and Assessments • Updated statistics, guidelines, and regulations found throughout the text, including obesity statistics, carbohydrate intake and vitamin needs.

Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate

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Publisher : National Academies Press
ISBN 13 : 0309091586
Total Pages : 639 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate by : Institute of Medicine

Download or read book Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate written by Institute of Medicine and published by National Academies Press. This book was released on 2005-06-18 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate The Dietary Reference Intakes (DRIs) are quantitative estimates of nutrient intakes to be used for planning and assessing diets for healthy people. This new report, the sixth in a series of reports presenting dietary reference values for the intakes of nutrients by Americans and Canadians, establishes nutrient recommendations on water, potassium, and salt for health maintenance and the reduction of chronic disease risk. Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate discusses in detail the role of water, potassium, salt, chloride, and sulfate in human physiology and health. The major findings in this book include the establishment of Adequate Intakes for total water (drinking water, beverages, and food), potassium, sodium, and chloride and the establishment of Tolerable Upper Intake levels for sodium and chloride. The book makes research recommendations for information needed to advance the understanding of human requirements for water and electrolytes, as well as adverse effects associated with the intake of excessive amounts of water, sodium, chloride, potassium, and sulfate. This book will be an invaluable reference for nutritionists, nutrition researchers, and food manufacturers.

Government Reports Annual Index

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Publisher :
ISBN 13 :
Total Pages : 1692 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1692 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Monthly Catalog of United States Government Publications by :

Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: