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Overtraining syndrome

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https://www.readbyqxmd.com/read/27747780/athletes-fit-but-unhealthy
#1
Philip B Maffetone, Paul B Laursen
While the words "fit" and "healthy" are often used synonymously in everyday language, the terms have entirely separate meanings. Fitness describes the ability to perform a given exercise task, and health explains a person's state of well-being, where physiological systems work in harmony. Although we typically view athletes as fit and healthy, they often are not. The global term we place on unhealthy athletes is the overtraining syndrome. In this current opinion, we propose that two primary drivers may contribute to the development of the overtraining syndrome, namely high training intensity and the modern-day highly processed, high glycemic diet...
December 2016: Sports Medicine—Open
https://www.readbyqxmd.com/read/27660501/diagnosis-and-prevention-of-overtraining-syndrome-an-opinion-on-education-strategies
#2
Jeffrey B Kreher
Overtraining syndrome is a condition of maladapted physiology in the setting of excessive exercise without adequate rest. The exact etiology and pathogenesis are unknown and being investigated. Symptoms are multisystem in nature and often representative of underlying hormonal, immunologic, neurologic, and psychologic disturbances. Unfortunately, systematic review of the literature does not clearly direct diagnosis, management, or prevention. However, given the severity of symptoms and impairment to quality of life, prevention of overtraining syndrome should be considered by all who interact with endurance athletes...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27535991/how-much-is-too-much-part-2-international-olympic-committee-consensus-statement-on-load-in-sport-and-risk-of-illness
#3
Martin Schwellnus, Torbjørn Soligard, Juan-Manuel Alonso, Roald Bahr, Ben Clarsen, H Paul Dijkstra, Tim J Gabbett, Michael Gleeson, Martin Hägglund, Mark R Hutchinson, Christa Janse Van Rensburg, Romain Meeusen, John W Orchard, Babette M Pluim, Martin Raftery, Richard Budgett, Lars Engebretsen
The modern-day athlete participating in elite sports is exposed to high training loads and increasingly saturated competition calendar. Emerging evidence indicates that inappropriate load management is a significant risk factor for acute illness and the overtraining syndrome. The IOC convened an expert group to review the scientific evidence for the relationship of load-including rapid changes in training and competition load, competition calendar congestion, psychological load and travel-and health outcomes in sport...
September 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27360383/profiling-kynurenine-kyn-as-a-potential-immunological-marker-for-overtraining-syndrome-ots-in-elite-rowers-1464-board-117-june-2-8-00-am-9-30-am
#4
Uwe Schumann, Martina Zügel, Gunnar Treff, Marion Schneider, Dietmar Abendroth, Jürgen M Steinacker
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27289505/effect-of-physical-activity-on-igf-1-and-igfbp-levels-in-the-context-of-civilization-diseases-prevention
#5
Marta Majorczyk, Danuta Smoląg
BACKGROUND: Insulin-like growth factor 1 (IGF-1) is known as somatomedin C. This polypeptide hormone is functionally and structurally similar to insulin. IGF-1 effects on tissue by the IGF-1R and the insulin-like growth factor-binding protein also known as IGFBP. Abnormal IGF-1 and IGFBP signaling are positively correlated with a high risk of selected civilization diseases development. Physical inactivity is a one of the main causes of majority of chronic diseases and it is associated with eg...
2016: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/27055481/perfectionism-and-training-distress-in-junior-athletes-a-longitudinal-investigation
#6
Daniel J Madigan, Joachim Stoeber, Louis Passfield
Perfectionistic athletes may train harder and for longer than non-perfectionistic athletes, leaving them susceptible to elevated levels of training distress. So far, however, no study has investigated the relationships between perfectionism and training distress, a key indicator of overtraining syndrome. Furthermore, no study has determined psychological predictors of overtraining syndrome. Using a two-wave design, the present study examined perfectionistic strivings, perfectionistic concerns and training distress in 141 junior athletes (mean age = 17...
April 7, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27031317/approach-to-the-underperforming-athlete
#7
Mary L Solomon, Amanda K Weiss Kelly
Children and adolescents who participate in intense sports training may face physical and psychologic stresses. The pediatric health care provider can play an important role in monitoring an athlete's preparation by obtaining a proper sports history, assessing sleep hygiene, discussing nutrition and hydration guidelines, and evaluating physiologic causes of fatigue. Educating parents and athletes on the potential risks of high-intensity training, inadequate rest and sleep, and a poor diet may improve the athlete's performance and prevent symptoms of overtraining syndrome...
March 2016: Pediatric Annals
https://www.readbyqxmd.com/read/26963018/tick-borne-illnesses
#8
Edwin Choi, Natasha J Pyzocha, Douglas M Maurer
Tick-borne diseases are prevalent throughout the United States. These illnesses are caused by a variety of different pathogens that use ticks as vectors, including bacteria, viruses, rickettsia, and protozoa. Some of the most common illnesses caused by ticks are Lyme disease, Rocky Mountain spotted fever, babesiosis, ehrlichiosis, anaplasmosis, tularemia, Colorado tick fever, tick-borne relapsing fever, and Powassan disease. Unique skin changes, fever, and influenza-like symptoms may indicate tick-borne disease...
March 2016: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/26888646/what-are-the-physiological-mechanisms-for-post-exercise-cold-water-immersion-in-the-recovery-from-prolonged-endurance-and-intermittent-exercise
#9
REVIEW
Mohammed Ihsan, Greig Watson, Chris R Abbiss
Intense training results in numerous physiological perturbations such as muscle damage, hyperthermia, dehydration and glycogen depletion. Insufficient/untimely restoration of these physiological alterations might result in sub-optimal performance during subsequent training sessions, while chronic imbalance between training stress and recovery might lead to overreaching or overtraining syndrome. The use of post-exercise cold water immersion (CWI) is gaining considerable popularity among athletes to minimize fatigue and accelerate post-exercise recovery...
August 2016: Sports Medicine
https://www.readbyqxmd.com/read/26849792/utilization-of-practice-session-average-inertial-load-to-quantify-college-football-injury-risk
#10
Gary B Wilkerson, Ashish Gupta, Jeff R Allen, Clay M Keith, Marisa A Colston
Wilkerson, GB, Gupta, A, Allen, JR, Keith, CM, and Colston, MA. Utilization of practice session average inertial load to quantify college football injury risk. J Strength Cond Res 30(9): 2369-2374, 2016-Relatively few studies have investigated the potential injury prevention value of data derived from recently developed wearable technology for measurement of body mass accelerations during the performance of sport-related activities. The available evidence has been derived from studies focused on avoidance of overtraining syndrome, which is believed to induce a chronically fatigued state that can be identified through monitoring of inertial load accumulation...
September 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/26816388/monitoring-physical-and-cognitive-overload-during-a-training-camp-in-professional-female-cyclists
#11
Lieselot Decroix, Maria Francesca Piacentini, Gerard Rietjens, Romain Meeusen
PURPOSE: High training loads combined with other stressors can lead to performance decrements. The time needed to recover determines the diagnosis of (non)-functional overreaching or the overtraining syndrome. The aim of this study was to describe the effects of an 8-day (intensified) training camp of professional female cyclists on physical and cognitive performance. METHODS: Nine subjects performed a 30-min time trial (TT), cognitive test, and Profile of Mood States questionnaire before, during, and after a training camp (49% increased training volume)...
October 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/26788076/the-influence-of-hypoxic-physical-activity-on-cfdna-as-a-new-marker-of-vascular-inflammation
#12
Andrzej Pokrywka, Agnieszka Zembron-Lacny, Katarzyna Baldy-Chudzik, Joanna Orysiak, Dariusz Sitkowski, Maciej Banach
The phenomenon of circulating cell-free DNA (cfDNA) is important for many biomedical disciplines including the field of exercise biochemistry and physiology. It is likely that cfDNA is released into the plasma by apoptosis of endothelial cells and circulating endothelial progenitor cells (EPCs), and/or by NETosis of immune cells induced by strenuous exercise. Increases of cfDNA are described to be a potential hallmark for the overtraining syndrome, and might be related to aseptic vascular inflammation in athletes...
December 10, 2015: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/26506195/physiological-readiness-and-resilience-pillars-of-military-preparedness
#13
Tunde K Szivak, William J Kraemer
Warfighters require a range of physical capabilities to meet the demands of the military profession, and physical training must address performance along an entire continuum, depending on individual needs and mission requirements. Strength and power capabilities are needed for optimal performance of anaerobic tasks such as heavy load carriage, sprinting under load, and maneuvering over uneven terrain. For optimal performance, soldiers must also be able to recover from mission demands and strenuous training...
November 2015: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/26443707/a-programme-based-on-repeated-hypoxia-hyperoxia-exposure-and-light-exercise-enhances-performance-in-athletes-with-overtraining-syndrome-a-pilot-study
#14
Davide Susta, Elena Dudnik, Oleg S Glazachev
Overtraining syndrome (OTS) is a major concern among endurance athletes and is a leading cause in preventing them to perform for long periods. Intermittent exposure to hypoxia has been shown to be an effective way of improving performance without exercising. Aim of this pilot study was to evaluate intermittent hypoxia-hyperoxia training combined with light exercise as an intervention to facilitate athletes with OTS to restore their usual performance level. Thirty-four track and field athletes were recruited: 15 athletes with OTS volunteered to participate and undertook a conditioning programme consisting of repeated exposures to hypoxia (O2 at 10%) and hyperoxia (O2 at 30%) (6-8 cycles, total time 45 min-1 h), three times a week, delivered 1·5-2 h after a low-intensity exercise session (2 bouts of 30 min, running at 50% of VO2max with 10 min rest between bouts) over 4 weeks...
October 7, 2015: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/26331134/exhaustive-submaximal-endurance-and-resistance-exercises-induce-temporary-immunosuppression-via-physical-and-oxidative-stress
#15
Chan-Ho Jin, Il-Young Paik, Yi-Sub Kwak, Yong-Seok Jee, Joo-Young Kim
UNLABELLED: Regular running and strength training are the best ways to improve aerobic capacity and develop the size of skeletal muscles. However, uncontrolled physical activities can often lead to an undertraining or over-training syndrome. In particular, overtraining causes persistent fatigue and reduces physical performance due to changes in the various physiological and immunological factors. In this study, we gave an exhaustive submaximal endurance or resistance exercise to participants and investigated the relationship between physical stress (cortisol level in blood), oxidative stress (intracellular ROS accumulation), and adaptive immune response (CD4:CD8 ratio)...
August 2015: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/25968844/overtraining-syndrome
#16
REVIEW
Nathan Cardoos
No abstract text is available yet for this article.
May 2015: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/25315456/sleep-and-athletic-performance-the-effects-of-sleep-loss-on-exercise-performance-and-physiological-and-cognitive-responses-to-exercise
#17
REVIEW
Hugh H K Fullagar, Sabrina Skorski, Rob Duffield, Daniel Hammes, Aaron J Coutts, Tim Meyer
Although its true function remains unclear, sleep is considered critical to human physiological and cognitive function. Equally, since sleep loss is a common occurrence prior to competition in athletes, this could significantly impact upon their athletic performance. Much of the previous research has reported that exercise performance is negatively affected following sleep loss; however, conflicting findings mean that the extent, influence, and mechanisms of sleep loss affecting exercise performance remain uncertain...
February 2015: Sports Medicine
https://www.readbyqxmd.com/read/25294206/-gelatinous-transformation-of-the-bone-marrow-caused-by-excessive-physical-activity-and-insufficient-calorie-intake
#18
Steven A W Andersen, Louise Salomo, Elisabeth Ralfkiær, Lars Kjeldsen
Gelatinous transformation (GT) of the bone marrow is rare and associated with a variety of clinical diseases from malignancy to chronic infection in combination with malnutrition or wasting. A new clinical picture of GT has emerged with excessive physical activity in combination with a voluntary insufficient calorie intake in the young adult male. Overtraining syndrome and systemic inflammation may play a role in the pathogenesis of GT in these patients, but further studies on GT and the effect of training and overtraining on the bone marrow are needed...
September 15, 2014: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/24834618/-fatigue-and-reduction-in-motor-performance-in-sportspeople-or-overtraining-syndrome
#19
Gérald Gremion, Thierry Kuntzer
The main goal of training activities is to improve motor performance. After strenuous workouts, it is physiological to experience fatigue, which relieves within two weeks, and then induce an improvement in motor capacities. An overtraining syndrome is diagnosed when fatigue is postponed beyond two weeks, and affects mainly endurance athletes. It is a condition of chronic fatigue, underperformance and an increased vulnerability to infection leading to recurrent infections. The whole observed spectrum of symptoms is physiological, psychological, endocrinogical and immunological...
April 30, 2014: Revue Médicale Suisse
https://www.readbyqxmd.com/read/24799948/improving-training-condition-assessment-in-endurance-cyclists-effects-of-ganoderma-lucidum-and-ophiocordyceps-sinensis-dietary-supplementation
#20
Paola Rossi, Daniela Buonocore, Elisa Altobelli, Federico Brandalise, Valentina Cesaroni, Davide Iozzi, Elena Savino, Fulvio Marzatico
The main reasons for taking daily dietary supplements are to maintain good health, to improve homeostasis, and to create conditions for reducing the risk of disease. Due to growing market demand, the search for effective, nontoxic, natural compounds with antioxidant and ergogenic properties has increasingly become a matter of interest. This paper describes how a specific combination of fungal supplements can help improve the performance of endurance athletes. We report the effects of a brief 3-month trial of two fungal supplements, Ganoderma lucidum and Cordyceps sinensis (3 capsules of O...
2014: Evidence-based Complementary and Alternative Medicine: ECAM
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