Changes In Muscle Protein Synthesis Following Resistance Exercise
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Changes In Muscle Protein Synthesis Following Resistance Exercise
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Author : Alan Chesley
language : en
Publisher:
Release Date : 1991
Changes In Muscle Protein Synthesis Following Resistance Exercise written by Alan Chesley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Isometric exercise categories.
The Effects Of Resistance Exercise On In Vivo Cumulative Skeletal Muscle Protein Synthesis
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Author : Heath G. Gasier
language : en
Publisher:
Release Date : 2010
The Effects Of Resistance Exercise On In Vivo Cumulative Skeletal Muscle Protein Synthesis written by Heath G. Gasier and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
An acute bout of resistance exercise (RE) and dietary protein consumption stimulate muscle protein synthesis (MPS). This anabolic effect is believed to be attenuated with resistance exercise training (RET), however, the mechanism for this plateau" is unknown. In addition, the ideal timing for protein consumption to optimize MPS is not well characterized. The central hypothesis of this research is that RE stimulates cumulative (measured over 24-36 h) MPS in rats and humans. Study one determined whether an acute bout of RE in rats enhances MPS when assessed with the traditional flooding dose (~ 25 min) and 2H2O (4 and 24 h measurements); thus a comparison of the two methodologies was made. An acute session of RE did not result in an elevation in MPS when quantified by either the flooding dose or 2H2O over 4 and 24 h (methods compared qualitatively). Therefore, an acute bout of RE in rats does not appear to be anabolic and adaptation resulting from multiple bouts is likely necessary. Study two determined if RET in rats results in attenuation in MPS (plateau effect) 16 h following the final RE session (peak anabolic window) and if it is due to an increase in 4E-BP1 (a key regulator of mRNA translation initiation) activity; or if the timing in anabolism changes, which could be detected with a cumulative assessment (2H2O). MPS at 16 h was unchanged following RE training. Consistent with this finding, there were no differences in 4E-BP1 activity. Conversely, cumulative MPS was significantly increased with RET, suggesting a temporal shift in anabolism. Study three determined if dietary protein consumed immediately following RE augments cumulative (24 h) MPS in young adult human males when energy and macronutrients are controlled. RE and post-RE protein had no effect on mixed MPS; however, myofibrillar MPS was significantly increased with RE suggesting specific changes within a heterogeneous protein pool. Collectively, these are the first studies to assess changes in cumulative MPS with RE in rats and humans. The long term goals of this research are to understand muscle protein anabolism in "free-living" mammals and the mechanisms that regulate this process.
The Role Of Protein And Amino Acids In Sustaining And Enhancing Performance
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Author : Institute of Medicine
language : en
Publisher: National Academies Press
Release Date : 1999-09-15
The Role Of Protein And Amino Acids In Sustaining And Enhancing Performance written by Institute of Medicine and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-09-15 with Technology & Engineering categories.
It is a commonly held belief that athletes, particularly body builders, have greater requirements for dietary protein than sedentary individuals. However, the evidence in support of this contention is controversial. This book is the latest in a series of publications designed to inform both civilian and military scientists and personnel about issues related to nutrition and military service. Among the many other stressors they experience, soldiers face unique nutritional demands during combat. Of particular concern is the role that dietary protein might play in controlling muscle mass and strength, response to injury and infection, and cognitive performance. The first part of the book contains the committee's summary of the workshop, responses to the Army's questions, conclusions, and recommendations. The remainder of the book contains papers contributed by speakers at the workshop on such topics as, the effects of aging and hormones on regulation of muscle mass and function, alterations in protein metabolism due to the stress of injury or infection, the role of individual amino acids, the components of proteins, as neurotransmitters, hormones, and modulators of various physiological processes, and the efficacy and safety considerations associated with dietary supplements aimed at enhancing performance.
Changes In Muscle Protein Synthetic Rate And Ultrastructure Following Resistance Exercise
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Author : Stephen A. Interisano
language : en
Publisher:
Release Date : 1995
Changes In Muscle Protein Synthetic Rate And Ultrastructure Following Resistance Exercise written by Stephen A. Interisano and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Exercise categories.
Nutrition And Performance In Sport
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Author : Institut national du sport, de l'expertise et de la performance (France)
language : en
Publisher:
Release Date : 2015
Nutrition And Performance In Sport written by Institut national du sport, de l'expertise et de la performance (France) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
The Effects Of Carbohydrate And Amino Acids On Muscle Protein Synthesis After Acute Resistance Exercise And Muscle Adaptation Following Chronic Resistance Training
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Author : Wanyi Wang (M.S. in Kinesiology)
language : en
Publisher:
Release Date : 2016
The Effects Of Carbohydrate And Amino Acids On Muscle Protein Synthesis After Acute Resistance Exercise And Muscle Adaptation Following Chronic Resistance Training written by Wanyi Wang (M.S. in Kinesiology) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Resistance exercise (RE) is purported to induce muscle protein accretion primarily by stimulating muscle protein synthesis (MPS), with its effect potentiated by providing a protein or amino acid (AA) supplement post exercise. Glutamine, a conditionally essential AA, is increasingly recommended to improve exercise performance, but it is poorly soluble and unstable in sports drinks. This limitation can be overcome by combining L-glutamine with L-alanine to form a dipeptide (AlaGln). The first study demonstrated that AlaGln supplementation post resistance exercise significantly reduced the phosphorylation of AMPK and NF-kB p65 without activating intracellular signals for MPS. This study also showed that whey protein (WP) activated the mTOR signaling pathways without affecting signaling proteins that controls muscle protein breakdown (MPB). The results provide indirect evidence that AlaGln blocks MPB via suppressing the activation of AMPK-FOXO3A and NF-kB p65, while WP promotes MPS. Recent research suggests that adding carbohydrate (CHO) to a protein supplement post exercise can produce greater protein accretion and subsequently increase the magnitude of resistance training adaptation relative to protein supplementation alone. Early studies from our laboratory found that co-ingestion of CHO and protein, as compared with CHO or protein intake individually, had a greater effect on the activation of anabolic signaling proteins. However, the effect of CHO plus protein on MPS and muscle adaptation is controversial. The second study demonstrated that adding CHO to a protein supplement (CP) accelerated MPS via activating the mTOR-signaling pathway in comparison with placebo (PLA) and WP during early exercise recovery, but CP did not affect signaling proteins that regulate MPB. The third study found that CP enhanced muscle strength relative to PLA and WP. The greater strength development in CP appeared due to increased myofibrillar protein content. Increased muscle hypertrophy occurred without an increase in myonuclei suggesting satellite cell activation was not required for muscle fiber development. Taken together, the results of this series of studies suggest that 1) AlaGln inhibits MPB following acute RE; 2) Adding CHO to a protein supplement accelerates muscle recovery by stimulating MPS, and increases the magnitude of muscle strength by accumulating more myofibrillar protein in comparison with PLA and WP.
Resistance Training Induced Changes In Myofibrillar Protein Synthesis And Skeletal Muscle Hypertrophy In Recreationally Active Young Females
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Author : Julia Mia Malowany
language : en
Publisher:
Release Date : 2020
Resistance Training Induced Changes In Myofibrillar Protein Synthesis And Skeletal Muscle Hypertrophy In Recreationally Active Young Females written by Julia Mia Malowany and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
The present study examined the myofibrillar protein synthesis (MyoPS) response following an acute bout of resistance exercise (RE) in the untrained (UT) and trained (T) state to determine its association with hypertrophy in a female population. Ten recreationally active young females underwent ~9 wk of whole-body resistance training (RT). Whole-body fat free mass (FFM), vastus lateralis muscle thickness (MT) and 1RM strength were measured in the UT and T state. MyoPS was measured at 0 and 48 h post-RE following the first and final bout of RE using D2O. Following RT, there was a ~3.4% and ~8.8% increase in FFM (P.
Resistance Training Induced Changes In Human Muscle Protein Synthesis And Fibre Morphology
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Author : Paul L. Kim
language : en
Publisher:
Release Date : 2002
Resistance Training Induced Changes In Human Muscle Protein Synthesis And Fibre Morphology written by Paul L. Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Isometric exercise categories.
Muscle Protein Synthesis
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Author : Prosence
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-01-04
Muscle Protein Synthesis written by Prosence and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-04 with categories.
Muscle Protein Synthesis: The Key to Building Muscle Prosence is dedicated to guiding, motivating and providing the tools necessary to transform people into the best version of themselves. Our goal is to empower men and women across the globe to realize that physical and mental fitness are not a short-term solution, but a lifetime choice, and to actualize what they have come to understand into a daily routine. Prosence has created a muscle-building guide to help you better understand muscle protein synthesis and why you may want to consider it as part of your muscle-building regiment. Do you wish to know more about muscle protein synthesis? Are you as big and strong as you want to be? Have you tried so many different things that you've learned from many different "experts" on how to get big and strong but are still as thin as a bean pole and as strong as a 10-year old? If your muscle mass and strength leave much to be desired after all your investments in terms of money, time and hard work, it means you've been doing it wrong and you'll need to start doing things differently. After all, if you always do what you always did then you'll always get what you always got. It's time to do things differently and, more importantly, the right way! In this book, you'll learn what it truly takes to build serious muscle mass and consequently, become much stronger! In particular, you'll learn the cornerstone on successful muscle-building, which is called muscle protein synthesis or MPS. In this book, you'll learn how muscles really grow and what you'll need to focus on to make sure that you put your muscles in a state where growth is optimal. In particular, you'll discover how to properly address the Holy Trinity of muscle-building in order to enhance muscle protein synthesis and ultimately, muscle growth. And on the way, you'll learn how to eat properly (nutrition), train properly (exercise), and recover optimally (rest and recovery). Together, these 3 work synergistically to put your muscles in a constant state of optimal muscle growth and allow you to build more muscle mass successfully! Prosence is dedicated to providing accurate, easily to follow guides, such as this one on muscle protein synthesis, to help you be your best self. Prosence is firmly committed to motivating, inspiring, and educating through the sharing of objective, fact-based health and fitness information that is rooted in science. We give you the tools you need to get in great shape and build a lifetime of good health. Join us - let's work together to maximize your potential and achieve your optimal self while embracing life to the fullest! So what are you waiting for? Purchase the book now to step into the world of muscle protein synthesis!
Nutritional Strategies To Promote Muscle Mass And Function Across Health Span
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Author : Daniel Moore
language : en
Publisher: Frontiers Media SA
Release Date : 2020-12-10
Nutritional Strategies To Promote Muscle Mass And Function Across Health Span written by Daniel Moore and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-10 with Science categories.
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.