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Book
Redox Regulation in Skeletal Muscle Aging and Exercise
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Year: 2017 Publisher: Frontiers Media SA

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Abstract

Skeletal muscle represents the largest organ of the human body and comprises about 40% of total body mass in humans. Even in people who ‘age well’, there is a noticeable loss of muscle strength and function that accelerates dramatically after the age of 60, a major factor in the reduction in life quality for the aging population. One of the most effective interventions to maintain muscle mass and function is through exercise. Skeletal muscle generates reactive oxygen and reactive nitrogen (ROS/RNS) species in response to muscle contractions. The concentration and species of ROS/RNS generated can depend on the age and fitness of the individual, muscle fibre type and the intensity of the muscle contractions. ROS/RNS generate unique signaling cascades that are not only essential in skeletal muscle contraction and adaptation but also play a role in a wide array of cell processes including cell proliferation, protein synthesis/degradation, immune response and antioxidant defense. ROS/RNS generated by contractions are involved in a co-ordinated local response that is tightly controlled at all levels from generation to detoxification. This collection of original articles and reviews highlights investigations that measure different aspects of the redox response of skeletal muscle to aging and exercise.


Book
Studying Brain Activity in Sports Performance
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The improvement of exercise performance in sports not only involves the enhancement of physical strength, but also includes the development of psychological and cognitive functions. There is an increasing body of evidence to show that physical exercise is a powerful way to improve a number of aspects of cognition and brain function at the systemic and behavioral levels. Yet, several questions remain: What type of exercise program is optimal for improving cognitive functions? What are the real effects of certain innovative exercise protocols on the relationship between behavior and the brain? To what extent do ergogenic aids boost cognitive function? How efficient are neuromodulation techniques in relation to behavioral performance? The answers to these questions likely require multidisciplinary insights not only from physiologists and sports scientists, but also from neuroscientists and psychologists. The manuscripts published (16 research papers and one perspective article from various academic fields) in this Special Issue Book “Exercise: A Gate That Primes the Brain to Perform” bring together current knowledge and novel directions in human exercise-cognition research dealing with performance. This book showcases the various relationships between cognitive function, brain activity, and behavioral performance with applications in sports and exercise science.

Keywords

Muscle fatigue --- voluntary activation --- self-control --- performance --- motivation --- exercise physiology --- cognition --- high intensity interval training --- moderate intensity continuous exercise --- exercise training --- transcranial direct current stimulation (tDCS) --- whole-body movement --- motor system --- muscle strength --- high-definition transcranial direct current stimulation (HD-tDCS) --- foot muscle strength --- passive ankle kinesthesia --- static balance --- exercise --- executive functions --- core symptoms --- children --- autism spectrum disorders --- personalized training --- personalized medicine --- exercise prescription --- inhibition --- basketball --- playing positions --- Go/NoGo --- event-related potential --- volition --- brain structure --- sense of agency --- sport --- MRI --- brain regulation --- physical performance --- cognitive performance --- supplementation --- sprint start --- cerebral oxygenation --- ventral-lateral-prefrontal-cortex --- caffeine --- prolonged intermittent exercise --- exercise performance --- acute aerobic exercise --- declarative memory --- procedural memory --- coding period --- consolidation period --- resistance training --- barbell training --- strength training --- HIFT --- neurocognition --- effort --- exertion --- obesity --- inhibitory control --- aerobic exercise --- resistance exercise --- aging --- cardiovascular exercise --- fronto-parietal network --- neuroimaging --- motor performance --- priming tDCS --- cathodal --- multiple sessions --- motor learning --- neuroplasticity --- n/a


Book
Biological Mechanisms Underlying Physical Fitness and Sports Performance
Authors: --- ---
ISBN: 3036557237 3036557245 Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The concept of mechanism in biology has three distinct meanings. It may refer to a philosophical thesis about the nature of life and biology, to the internal workings of a machine-like structure, or to the causal explanation of a particular phenomenon. In this Special Issue, we try to discuss these possible biological mechanisms that underlie the beneficial effects of physical fitness and sports performance, as well their importance and role/influences on physical health.Despite the significant body of knowledge regarding the physiological and physical effects of different training methods (based on dimensions of load), some of the biological causes for those changes are still unknown. Additionally, few studies have focused on the natural biological variability in humans and how specific properties of humans may justify different effects for the same training intervention. Thus, more original research is needed to provide plausible biological mechanisms that may explain the physiological and physical effects of exercise and training in humans.In this Special Issue, we gather the contributions that describe and list the links between physical fitness, sports performance, and human biology.

Keywords

Research & information: general --- Biology, life sciences --- body composition --- BIVA --- fat mass --- weight loss --- HRQoL --- knowledge --- physical activity --- rheumatic diseases --- women --- 25(OH)D --- physiology of performances --- puberty --- pre-planned agility --- non-planned agility --- Paralympic Powerlifting --- ibuprofen --- muscle strength --- oxidative stress --- recovery of function --- satellite cells --- muscle regeneration --- myogenic regulatory factors --- inflammation --- exercise --- age --- athletic performance --- rowing --- sport --- young athlete --- mathematical model --- executive functions --- cognitive performance --- youth --- physical education --- BIA --- coronavirus disease --- detraining --- football --- muscle mass --- team sports --- soccer --- high-intensity --- small-sided games --- psychophysiological responses --- combined training --- cycling --- endurance --- oxygen uptake --- FTP --- threshold --- power --- strength --- muscular activity --- electromyography --- core endurance test --- muscular performance --- erythropoietin --- erythroferrone --- mental health --- sports --- spinal cord injury --- resistance training --- muscle damage --- acid–base balance --- kickboxing --- metabolic acidosis --- type 2 diabetes --- physical exercise --- high-intensity interval training --- cardiac autonomic modulation --- heart rate recovery --- heart rate variability --- aerobic training --- health --- triathlon --- performance --- ergogenic aids --- muscle fatigue --- recovery --- hormones --- antioxidant --- body fat --- IgA --- immunomodulation --- nutritional supplement --- obesity --- vibrating exercise equipment --- chronic low back pain --- surface electromyography --- biological mechanisms --- physical health --- sports and exercise physiology --- glucagon-like peptide-1 --- glucose-dependent insulinotropic polypeptide --- dry land training --- one repetition maximum --- back squat --- water parachute --- aquatic training --- swimming performance --- hypoxic dose --- muscular endurance --- sex difference --- flanker --- adolescent --- Tabata training --- blood pressure --- cardiorespiratory fitness --- physical education lessons --- log-linear analysis --- multivariate correspondence analysis --- load --- heart rate --- high-speed running --- monotony --- muscle soreness --- sprint --- sleep --- strain --- stress --- tumour --- depression --- cancer survivorship --- cardiovascular fitness --- aerobic capacity --- skin surface temperature --- high-intensity exercise --- thermal imaging --- acute exercise --- hormonal response --- saliva --- strength training --- lean body mass --- kinanthropometry --- n/a --- acid-base balance


Book
Creatine Supplementation for Health and Clinical Diseases
Authors: ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Creatine plays a critical role in cellular metabolism, primarily by binding with phosphate to form phosphocreatine (PCr) as well as shuttling high-energy phosphate compounds in and out of the mitochondria for metabolism. Increasing the dietary availability of creatine increases the tissue and cellular availability of PCr, and thereby enhances the ability to maintain high-energy states during intense exercise. For this reason, creatine monohydrate has been extensively studied as an ergogenic aid for exercise, training, and sport. Limitations in the ability to synthesize creatine and transport and/or store dietary creatine can impair metabolism and is a contributor to several disease states. Additionally, creatine provides an important source of energy during metabolically stressed states, particularly when oxygen availability is limited. Thus, researchers have assessed the role of creatine supplementation on health throughout the lifespan, as well as whether creatine availability may improve disease management and/or therapeutic outcomes. This book provides a comprehensive overview of scientific and medical evidence related to creatine's role in metabolism, health throughout the lifespan, and our current understanding of how creatine can promote brain, heart, vascular and immune health; reduce the severity of musculoskeletal and brain injury; and may provide therapeutic benefits in glucose management and diabetes, cancer therapy, inflammatory bowel disease, and post-viral fatigue.

Keywords

ergogenic aids --- cellular metabolism --- phosphagens --- sarcopenia --- cognition --- diabetes --- creatine synthesis deficiencies --- concussion --- traumatic brain injury --- spinal cord injury --- muscle atrophy --- rehabilitation --- pregnancy --- immunity --- anti-inflammatory --- antioxidant --- anticancer --- creatine --- nutritional supplements --- fertility --- newborn --- development --- brain injury --- post-viral fatigue syndrome --- chronic fatigue syndrome --- GAA --- creatine kinase --- dietary supplements --- exercise --- skeletal muscle --- glycemic control --- type 2 diabetes mellitus --- phosphorylcreatine --- dietary supplement --- ergogenic aid --- youth --- athletes --- osteoporosis --- osteosarcopenia --- frailty --- cachexia --- innate immunity --- adaptive immunity --- inflammation --- macrophage polarization --- cytotoxic T cells --- toll-like receptors --- vascular pathology --- cardiovascular disease --- oxidative stress --- vascular health --- female --- menstrual cycle --- hormones --- exercise performance --- menopause --- mood --- children --- height --- BMI-for-age --- stature-for-age --- growth --- phosphocreatine --- creatine transporter --- supplementation --- treatment --- heart --- heart failure --- ischemia --- myocardial infarction --- anthracycline --- cardiac toxicity --- energy metabolism --- cell survival --- bioinformatics --- systems biology --- cellular allostasis --- dynamic biosensor --- pleiotropic effects of creatine (Cr) supplementation --- inflammatory bowel diseases (IBD) --- ulcerative colitis --- Crohn’s disease --- creatine kinase (CK) --- phosphocreatine (PCr) --- creatine transporter (CrT) --- intestinal epithelial cell protection --- intestinal tissue protection --- creatine perfusion --- organ transplantation --- Adenosine mono-phosphate (AMP) --- activated protein kinase (AMPK) --- liver kinase B1 (LKB1) --- mitochondrial permeability transition pore (mPTP) --- reactive oxygen species (ROS) --- glucose transporter (GLUT) --- T cell antitumor immunity --- metabolic regulator --- cancer immunotherapy --- supplements --- muscle damage --- recovery --- immobilization --- atrophy --- muscular dystrophy --- amyotrophic lateral sclerosis --- Parkinson’s Disease --- cardiopulmonary disease --- mitochondrial cytopathy --- hypertrophy --- athletic performance --- weightlifting --- resistance exercise --- training --- muscular power --- muscular adaptation --- muscle fatigue --- adipose tissue --- muscle strength --- physiological adaptation --- mitochondria --- thermogenesis --- MAP kinase signaling system --- sodium-chloride-dependent neurotransmitter symporters --- signal transduction --- intradialytic creatine supplementation --- hemodialysis --- muscle --- protein energy wasting --- clinical trial --- muscle weakness --- chronic fatigue --- cognitive impairment --- depression --- anemia --- resistance training --- sports nutrition --- strength --- toxicity --- methylation --- hyperhomocysteinemia --- neuromodulation --- MCDA --- mitochondriopathia --- cardiac infarction --- long COVID --- hypoxia --- stroke --- neurodegenerative diseases --- noncommunicable disease --- adenosine 5′-monopnophosphate-activated protein kinase --- anthracyclines --- creatine supplementation --- cardiac signaling --- cardiotoxicity --- doxorubicin --- soy --- vegetarian/vegan diet --- amino acids --- dietary ingredients --- performance

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