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https://www.readbyqxmd.com/read/29346162/specificity-of-live-high-train-low-altitude-training-on-exercise-performance
#1
Jacob Bejder, Nikolai Baastrup Nordsborg
The novel hypothesis that "Live High-Train Low" (LHTL) does not improve sport-specific exercise performance (e.g., time trial) is discussed. Indeed, many studies demonstrate improved performance after LHTL but unfortunately control groups are often lacking, leaving open the possibility of training camp effects. Importantly, when control groups, blinding procedures and strict scientific evaluation criteria are applied, LHTL has no detectable effect on performance.
January 15, 2018: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/29342896/how-does-counselling-in-a-stationary-health-care-setting-affect-the-attendance-in-a-standardised-sports-club-programme-process-evaluation-of-a-quasi-experimental-study
#2
Sylvia Titze, Christian Lackinger, Lena Grossschaedl, Albert Strehn, Thomas E Dorner, Josef Niebauer, Wolfgang Schebesch-Ruf
Actions in partnership across sectors is one principle for the promotion of health behaviours. The objective of this study was to describe the participation in a sports club-based exercise programme-named JACKPOT-following an intervention in a health care setting. Focus was given to the recruitment into JACKPOT, the attendance level, and whether the different programme elements were implemented as intented. The practicability of the project was also retrospectively rated. Participants were 238 inactive people (50% women) between 30 and 65 years of age who attended a health resort...
January 14, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29340005/comparison-of-aerobic-performance-testing-protocols-in-elite-male-wheelchair-basketball-players
#3
Bartosz Molik, Andrzej Kosmol, Natalia Morgulec-Adamowicz, Judit Lencse-Mucha, Anna Mróz, Karol Gryko, Jolanta Marszałek
In wheelchair sports, aerobic performance is commonly assessed with the use of an arm crank ergometer (ACE), a wheelchair ergometer (WCE) or a wheelchair treadmill (WCT). There are different protocols to identify peak oxygen uptake in wheelchair sports; however, only a few protocols have been applied to evaluate these conditions in wheelchair basketball players. The purpose of this study was to compare physiological responses during maximal exercise testing with the use of ACE and WCT in wheelchair basketball players...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29340001/neuromuscular-control-during-the-bench-press-movement-in-an-elite-disabled-and-able-bodied-athlete
#4
Artur Gołaś, Anna Zwierzchowska, Adam Maszczyk, Michał Wilk, Petr Stastny, Adam Zając
The disabled population varies significantly in regard to physical fitness, what is conditioned by the damage to the locomotor system. Recently there has been an increased emphasis on the role of competitive sport in enhancing health and the quality of life of individuals with disability. One of the sport disciplines of Paralympics is the flat bench press. The bench press is one of the most popular resistance exercises used for the upper body in healthy individuals. It is used not only by powerlifters, but also by athletes in most strength-speed oriented sport disciplines...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29339994/the-second-to-fourth-digit-ratio-in-elite-and-non-elite-greco-roman-wrestlers
#5
Mohammad Keshavarz, Mahdi Bayati, Babak Farzad, Amirbahador Dakhili, Hamid Agha-Alinejad
A low second-to-fourth digit ratio (2D:4D) has been reported to correlate with high performance and athletic potential of an individual in sport. It has been suggested that 2D:4D is a relatively weak predictor of strength and a stronger predictor of efficiency in aerobic exercise. Comparing extreme groups on a continuum of sports performance requiring high power (physical strength) output would be helpful to resolve this issue. Therefore, the purpose of the present study was to compare the 2D:4D ratio of world-class elite Greco-Roman wrestlers (n = 10) taking part in Olympic fitness camps in 2013 with the 2D:4D ratio of non-elite collegiate wrestlers (n = 20), and age-matched sedentary males (n = 40)...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29338015/exercise-induced-circulating-microrna-changes-in-athletes-in-various-training-scenarios
#6
Martin Horak, Filip Zlamal, Robert Iliev, Jan Kucera, Jan Cacek, Lenka Svobodova, Zuzana Hlavonova, Tomas Kalina, Ondrej Slaby, Julie Bienertova-Vasku
BACKGROUND: The aim of the study was to compare selected extracellular miRNA levels (miR-16, miR-21, miR-93 and miR-222 with the response to 8-week-long explosive strength training (EXPL), hypertrophic strength training (HYP) and high-intensity interval training (HIIT). METHODS: 30 young male athletes of white European origin (mean age: 22.5 ± 4.06 years) recruited at the Faculty of Sports Studies of Masaryk University were enrolled in this study. The study participants were randomly assigned to three possible training scenarios: EXPL, HYP or HITT and participated in 8-week-long program in given arm...
2018: PloS One
https://www.readbyqxmd.com/read/29336053/specific-modulation-of-vertebral-marrow-adipose-tissue-by-physical-activity
#7
Daniel L Belavy, Matthew J Quittner, Nicola D Ridgers, Adnan Shiekh, Timo Rantalainen, Guy Trudel
Marrow adipose tissue (MAT) accumulation with normal aging impacts the bone, hemopoiesis, and metabolic pathways. We investigated whether exercise was associated with lower MAT, as measured by vertebral marrow fat fraction (VFF) on magnetic resonance imaging. A total of 101 healthy individuals (54 females) aged 25 to 35 years without spine or bone disease but with distinct exercise histories were studied. Long-distance runners (67 km/wk, n = 25) exhibited lower mean lumbar VFF (27.9% [8.6%] versus 33...
January 16, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29332470/a-school-based-neuromuscular-training-program-and-sport-related-injury-incidence-a-prospective-randomized-controlled-clinical-trial
#8
Kim D Barber Foss, Staci Thomas, Jane C Khoury, Gregory D Myer, Timothy E Hewett
CONTEXT:   An estimated 40 million school-aged children (age range = 5-18 years) participate annually in sports in the United States, generating approximately 4 million sport-related injuries and requiring 2.6 million emergency department visits at a cost of nearly $2 billion. OBJECTIVE:   To determine the effects of a school-based neuromuscular training (NMT) program on sport-related injury incidence across 3 sports at the high school and middle school levels, focusing particularly on knee and ankle injuries...
January 13, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29331594/effects-of-physical-activity-on-the-symptoms-of-tourette-syndrome-a-systematic-review
#9
David D Kim, Darren E R Warburton, Nana Wu, Alasdair M Barr, William G Honer, Ric M Procyshyn
There is irrefutable evidence that routine physical activity or exercise can offer considerable health benefits to individuals living with various mental disorders. However, it is not clear what effect physical activity has on the symptoms of Tourette syndrome. Despite a paucity of evidence, physical activity or exercise has already been recommended by various health organizations for the management of tics. We provide a systematic review of the effects of physical activity or exercise on tic symptomology in individuals with Tourette syndrome...
December 8, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29330860/sudden-death-in-sport-and-riding-horses-during-and-immediately-after-exercise-a-case-series
#10
C Navas de Solis, F Althaus, N Basieux, D Burger
BACKGROUND: Sudden death affects the health of horses, the safety of riders and the public perception of animal welfare during equestrian events. OBJECTIVES: To describe the signalment, clinical history, sudden death episode, rider injuries and causes of sudden death during exercise or closely thereafter in sport and pleasure riding horses. STUDY DESIGN: Retrospective case series based on an online questionnaire. METHODS: An online questionnaire was distributed to the veterinary and equestrian community...
January 13, 2018: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29330176/therapists-experiences-with-a-new-treatment-combining-physical-exercise-and-dietary-therapy-the-ped-t-for-eating-disorders-an-interview-study-in-a-randomised-controlled-trial-at-the-norwegian-school-of-sport-sciences
#11
Maria Bakland, Jorunn Sundgot-Borgen, Rolf Wynn, Jan H Rosenvinge, Annett Victoria Stornæs, Gunn Pettersen
OBJECTIVES: The aim of the current study is to explore how therapists running a guided physical exercise and dietary therapy programme (PED-t) experience their contribution to the treatment of patients with bulimia nervosa and binge eating disorder. METHODS: Ten therapists running the PED-t were semistructurally interviewed and the transcribed interviews were analysed using a systematic text condensation approach. SETTING: The study was run within the context of a randomised controlled trial at the Norwegian School of Sport Sciences...
January 11, 2018: BMJ Open
https://www.readbyqxmd.com/read/29327216/dental-erosion-prevalence-and-risk-factors-among-a-group-of-adolescents-in-stockholm-county
#12
M Skalsky Jarkander, M Grindefjord, K Carlstedt
AIMS: To investigate the prevalence and risk factors of dental erosion (DE) among a group of adolescents in Stockholm County. MATERIALS AND METHODS: This cross sectional cohort study was conducted at three clinics of the Public Dental Service in Stockholm County. Fifteen and 17 year old adolescents (1335) who scheduled their regular dental health examination were asked to participate. After drop-outs a sample of 1071 individuals, 547 males and 524 females were enrolled in the study...
January 11, 2018: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/29322858/epidemiology-of-mental-health-conditions-in-incoming-division-i-collegiate-athletes
#13
Nikolas Sarac, Benjamin Sarac, Angela Pedroza, James Borchers
OBJECTIVES: The purpose of this study is to examine the epidemiology of mental health conditions in incoming American Division I collegiate athletes. METHODS: Pre-participation physical questionnaires from 1118 incoming student athletes at a Division I Institution were collected retrospectively from 2011-2017. Data collected included lifetime history of any mental health condition, musculoskeletal injuries, concussions, and post-concussion depression. History of any mental health condition was evaluated by gender and sport played...
January 11, 2018: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29320945/the-influence-of-exercise-dosing-on-outcomes-in-patients-with-knee-disorders-a-systematic-review
#14
Jodi L Young, Daniel I Rhon, Joshua A Cleland, Suzanne J Snodgrass
Study Design Systematic review. Background Therapeutic exercise is commonly used to treat individuals with knee disorders, but dosing parameters for optimal outcomes are unclear. Large variations exist in exercise prescription, and research related to specific dosing variables for knee osteoarthritis, patellar tendinopathy and patellofemoral pain syndrome is sparse. Objectives To identify specific doses of exercise related to improved outcomes of pain and function in individuals with common knee disorders, categorized by effect size...
January 10, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29319761/isotonic-sports-drink-promotes-rehydration-and-decreases-proteinuria-following-karate-training
#15
Simone Geraldini, Igor de Freitas Cruz, Alexandre Romero, Fernando Luiz Affonso Fonseca, Michelle Parreira de Campos
INTRODUCTION: Adequate hydration status in the sport is essential for good health, yet the relationship between hydration, proteinuria and sports is little studied. OBJECTIVE: To analyze the influence of an isotonic sports drink as rehydration strategy on the hydration status and proteinuria after karate training. METHODS: Ten athletes participated in this study. In the first session of standard training, called observation training session (STO), the athletes hydrated themselves according to their habits, and in the second session of standard training, called nutritional intervention training session (STIN), an ideal practice of hydration protocol was followed, using an isotonic sports drink as a rehydration liquid during the training...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29315892/effects-of-fasted-vs-fed-state-exercise-on-performance-and-post-exercise-metabolism-a-systematic-review-meta-analysis
#16
REVIEW
Tom P Aird, Robert W Davies, Brian P Carson
The effects of nutrition on exercise metabolism and performance remains an important topic among sports scientists, clinical, and athletic populations. Recently, fasted exercise has garnered interest as a beneficial stimulus which induces superior metabolic adaptations to fed exercise in key peripheral tissues. Conversely, pre-exercise feeding augments exercise performance compared with fasting conditions. Given these seemingly divergent effects on performance and metabolism, an appraisal of the literature is warranted...
January 6, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29315568/cryotherapy-not-as-cool-as-it-seems
#17
Shamara Nadarajah, Ramya Ariyagunarajah, Eric D Jong
In elite sports, a significant concern for many athletes is the ability to completely recover from prolonged exhaustive exercise. Athletes make use of numerous techniques to accelerate the healing process, priming their body for future events. Among the most common is the notion of muscle cooling, widely known as cryotherapy. This article is protected by copyright. All rights reserved.
January 6, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29314903/national-athletic-trainers-association-position-statement-prevention-of-anterior-cruciate-ligament-injury
#18
Darin A Padua, Lindsay J DiStefano, Timothy E Hewett, William E Garrett, Stephen W Marshall, Grace M Golden, Sandra J Shultz, Susan M Sigward
OBJECTIVE:   To provide certified athletic trainers, physicians, and other health care and fitness professionals with recommendations based on current evidence regarding the prevention of noncontact and indirect-contact anterior cruciate ligament (ACL) injuries in athletes and physically active individuals. BACKGROUND:   Preventing ACL injuries during sport and physical activity may dramatically decrease medical costs and long-term disability. Implementing ACL injury-prevention training programs may improve an individual's neuromuscular control and lower extremity biomechanics and thereby reduce the risk of injury...
January 9, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29313427/melatonin-therapy-for-blunt-trauma-and-strenuous-exercise-a-mechanism-involving-cytokines-nf%C3%AE%C2%BAb-akt-mafbx-and-murf-1
#19
Gerald J Maarman, Russel J Reiter
Muscle injury occurs due to trauma, strenuous exercise or sports activities; most people affected are athletes. Ineffectively treated muscle injury can negatively affect sports careers and quality of life after retirement from sports. Reports have indicated that the current therapeutic management of muscle injury, particularly anti-inflammatory drugs, are not necessarily effective. Therefore, better therapies are required. Accumulating evidence has demonstrated melatonin's potent antioxidant and anti-inflammatory actions against muscle pathology in sarcopenia or atrophy in systemic disease...
January 9, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29311764/effects-of-beetroot-juice-supplementation-on-intermittent-high-intensity-exercise-efforts
#20
REVIEW
Raúl Domínguez, José Luis Maté-Muñoz, Eduardo Cuenca, Pablo García-Fernández, Fernando Mata-Ordoñez, María Carmen Lozano-Estevan, Pablo Veiga-Herreros, Sandro Fernandes da Silva, Manuel Vicente Garnacho-Castaño
Beetroot juice contains high levels of inorganic nitrate (NO3-) and its intake has proved effective at increasing blood nitric oxide (NO) concentrations. Given the effects of NO in promoting vasodilation and blood flow with beneficial impacts on muscle contraction, several studies have detected an ergogenic effect of beetroot juice supplementation on exercise efforts with high oxidative energy metabolism demands. However, only a scarce yet growing number of investigations have sought to assess the effects of this supplement on performance at high-intensity exercise...
2018: Journal of the International Society of Sports Nutrition
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