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https://www.readbyqxmd.com/read/28813363/psychosocial-factors-and-sport-injuries-prediction-prevention-and-future-research-directions
#1
REVIEW
Urban Johnson, Andreas Ivarsson
This review provides an overview of recent theoretical and empirical developments regarding psychosocial factors related to the prediction and prevention of sport injuries, and highlights some of the most interesting areas of investigation that have been carried out in the past few years. For instance, a systematic review of the most cited and used theoretical framework in the field has recently been performed, which supports the model's suggestion that psychosocial variables, as well as psychologically based interventions, can influence injury risk among athletes...
August 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28811748/salivary-diagnostic-markers-in-males-and-females-during-rest-and-exercise
#2
Kay Rutherfurd-Markwick, Carlene Starck, Deborah K Dulson, Ajmol Ali
BACKGROUND: Saliva is a useful diagnostic tool for analysis in sports, exercise and nutrition research, as collection is easy and non-invasive and it contains a large number of analytes affected by a range of physiological and pathological stressors and conditions. This study examined key salivary electrolytes and stress and immune markers in males and females at rest and during exercise. METHODS: Unstimulated whole saliva from 20 healthy, recreationally active participants (8 males and 12 females) was analysed for flow rate, osmolality, sodium (Na(+)), potassium (K(+)), chloride (Cl(-)), secretory immunoglobulin A (SIgA), α-amylase activity and cortisol during both rest and moderate intensity (70% peak power) cycling exercise in a randomised crossover design...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28798200/wearable-physiological-monitoring-for-human-thermal-work-strain-optimization
#3
Mark J Buller, Alexander Pearson Welles, Karl E Friedl
Safe performance limits of soldiers and athletes have typically relied on predictive work-rest models of ambient conditions, average work intensity, and characteristics of the population. Bioengineering advances in noninvasive sensor technologies including miniaturization, reduced cost, power requirements, and comfort now make it possible to produce individual predictions of safe thermal-work limits. These precision medicine assessments depend on the development of thoughtful algorithms based on physics and physiology...
August 10, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28792855/movement-concepts-approach-in-studies-on-flamenco-dancing-a-systematic-review
#4
Wanda Forczek, Irene Baena-Chicón, Alfonso Vargas-Macías
BACKGROUND: Flamenco is a highly emotional and demanding dance form. It is important to understand how the dancer's body works in order to improve fitness levels and reduce injuries. Thus, our investigation reviewed studies on kinesiological aspects of flamenco over recent years. METHODS: The review was restricted to experimental studies. Literature searches were conducted using the following databases: PubMed, Scopus, and Ebsco: SPORTDiscus with Full Text, Medline, Health Source: Nursing/Academic Edition, Health Source - Consumer Edition...
August 9, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28776483/proneness-to-boredom-and-risk-behaviors-during-adolescents-free-time
#5
Roberta Biolcati, Giacomo Mancini, Elena Trombini
As a clinical condition, boredom is an emotional state, widespread among young people, characterized by unpleasant feelings, lack of motivation, and low physiological arousal in which the level of stimulation is perceived as unsatisfactorily low. Boredom is an important emotional state due to its spread among young people. Recent research has mainly studied the complex connection between boredom and leisure-time experiences, which may be involved in adolescents' risk-taking behaviors. The current study aims to investigate boredom proneness, conceived as a personality trait, in adolescents' free time, and its involvement in more extreme behaviors, such as binge drinking and addictive Internet use, which may represent ways to cope with the search for additional stimuli...
January 1, 2017: Psychological Reports
https://www.readbyqxmd.com/read/28771561/fitness-and-food-environments-around-junior-high-schools-in-taiwan-and-their-association-with-body-composition-gender-differences-for-recreational-reading-food-and-beverage-exposures
#6
Po-Huang Chiang, Lin-Yuan Huang, Meei-Shyuan Lee, Hui-Chen Tsou, Mark L Wahlqvist
School environments may contribute to adolescent behavior, reproductive physiology and body composition (BC). The Nutritional and Health Survey in Taiwan (2010) for 1458 junior high school students was geo-mapped for 30 school environs. Facilities for physical activity (fitness centers, gymnasia and sports stadiums, activity centers and parks), sedentary activities (reading material rental shops (RMRS), internet cafes) and food and beverage outlets (FBOs) were calculated as weighted numbers within 1000m of schools...
2017: PloS One
https://www.readbyqxmd.com/read/28770401/in-vitro-studies-to-evaluate-the-effect-of-varying-culture-conditions-and-ipl-fluencies-on-tenocyte-activities
#7
Jihad A M Alzyoud, Ilyas M Khan, Sarah G Rees
Tendons are dense, fibrous connective tissues which carry out the essential physiological role of transmitting mechanical forces from skeletal muscle to bone. From a clinical perspective, tendinopathy is very common, both within the sporting arena and amongst the sedentary population. Studies have shown that light therapy may stimulate tendon healing, and more recently, intense pulsed light (IPL) has attracted attention as a potential treatment modality for tendinopathy; however, its mechanism of action and effect on the tendon cells (tenocytes) is poorly understood...
August 3, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28768294/measurement-of-metabolic-fluxes-using-stable-isotope-tracers-in-whole-animals-and-human-patients
#8
Julie A Reisz, Angelo D'Alessandro
PURPOSE OF REVIEW: Metabolic flux analysis using stable isotope labeled substrates allows for the tracing of carbon, nitrogen, and hydrogen atoms through metabolic pathways and is an invaluable tool for investigating dynamic metabolic changes occurring in health and disease. Studies of flux analysis in vivo are more technically challenging than in vitro or ex vivo but provide a highly detailed view of organ and/or systemic metabolism. We review here recent efforts in studies of diet and nutrition, non-small cell lung cancer, ischemia/reperfusion injury, and hemorrhagic shock where in vivo flux analysis was utilized to analyze metabolic modulation...
September 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28761713/the-effect-of-1-week-of-repeated-ischaemic-leg-preconditioning-on-simulated-keirin-cycling-performance-a-randomised-trial
#9
Angus Lindsay, Carl Petersen, Gavin Blackwell, Hamish Ferguson, Greg Parker, Nina Steyn, Steven P Gieseg
BACKGROUND: Coaches continually seek new ways of doing things and also refine existing techniques to improve sporting performance. Coaches are currently experimenting using ischaemic preconditioning (IPC) over consecutive days in the hope of improving competitive performances. AIMS: First, to quantify the physiological impact of 1 week of IPC on simulated Keirin cycling performance. Second, to investigate if biochemical stress markers are affected over the treatment period...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28754063/interjoint-coordination-of-the-lower-extremities-in-short-track-speed-skating
#10
Batbayar Khuyagbaatar, Tserenchimed Purevsuren, Won Man Park, Kyungsoo Kim, Yoon Hyuk Kim
In short-track speed skating, the three-dimensional kinematics of the lower extremities during the whole skating cycle have not been studied. Kinematic parameters of the lower extremities during skating are presented as joint angles versus time. However, the angle-time presentation is not sufficient to describe the relationship between multi-joint movement patterns. Thus, angle-angle presentations were developed and used to describe interjoint coordination in sport activities. In this study, 15 professional male skaters' full body motion data were recorded using a wearable motion capture system during short-track speed skating...
July 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28743682/estimating-heart-rate-energy-expenditure-and-physical-performance-with-a-wrist-photoplethysmographic-device-during-running
#11
Jakub Parak, Maria Uuskoski, Jan Machek, Ilkka Korhonen
BACKGROUND: Wearable sensors enable long-term monitoring of health and wellbeing indicators. An objective evaluation of sensors' accuracy is important, especially for their use in health care. OBJECTIVE: The aim of this study was to use a wrist-worn optical heart rate (OHR) device to estimate heart rate (HR), energy expenditure (EE), and maximal oxygen intake capacity (VO2Max) during running and to evaluate the accuracy of the estimated parameters (HR, EE, and VO2Max) against golden reference methods...
July 25, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28741186/effects-of-caffeine-supplementation-on-performance-in-ball-games
#12
REVIEW
Jingyi Shannon Chia, Laura Ann Barrett, Jia Yi Chow, Stephen Francis Burns
Although a large body of evidence exists documenting the ergogenic properties of caffeine, most studies have focused on endurance performance. However, findings from endurance sports cannot be generalized to performance in ball games where, apart from having a high level of endurance, successful athletic performances require a combination of physiological, technical and cognitive capabilities. The purpose of this review was to critically evaluate studies that have examined the effect of a single dose of caffeine in isolation on one or more of the following performance measures: total distance, sprint performance, agility, vertical jump performance and accuracy in ball games...
July 24, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28738856/acute-changes-in-blood-lipid-profiles-and-metabolic-risk-factors-in-collegiate-elite-taekwondo-athletes-after-short-term-de-training-a-prospective-insight-for-athletic-health-management
#13
Yu-Chi Sung, Yi-Hung Liao, Chung-Yu Chen, Yu-Liang Chen, Chun-Chung Chou
BACKGROUND: This study used a short-term de-training model to mimic the physiological weight changes during the early retirement stage in Taekwondo (TKD) athletes. This study investigates whether the negative changes in body composition, blood lipid profiles, and metabolic biomarkers occur in elite collegiate TKD athletes when experiencing a two-months de-training period. METHODS: Fourteen collegiate Division Ι elite TKD athletes (age: 21.1 ± 0.2 years, BMI: 22...
July 24, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28737585/biomarkers-in-sports-and-exercise-tracking-health-performance-and-recovery-in-athletes
#14
Elaine C Lee, Maren S Fragala, Stavros A Kavouras, Robin M Queen, J Luke Pryor, Douglas J Casa
Biomarker discovery and validation is a critical aim of the medical and scientific community. Research into exercise and diet-related biomarkers aims to improve health, performance, and recovery in military personnel, athletes, and lay-persons. Exercise physiology research has identified individual biomarkers for assessing health, performance, and recovery during exercise training. However, there are few recommendations for biomarker panels for tracking changes in individuals participating in physical activity and exercise training programs...
July 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28735282/a-systematic-review-of-criteria-used-to-define-recovery-from-sport-related-concussion-in-youth-athletes
#15
REVIEW
Mohammad Nadir Haider, John J Leddy, Sonja Pavlesen, Melissa Kluczynski, John G Baker, Jeffrey C Miecznikowski, Barry S Willer
OBJECTIVE: The Concussion in Sport Group guidelines recommend a multifaceted approach to help clinicians make return to sport decisions. The purpose of this study was to identify the most common multifaceted measures used to define clinical recovery from sport-related concussion in young athletes (high school and/or college level) and to summarise existing knowledge of criteria used to make return to sport decisions. DESIGN: Systematic review. DATA SOURCES: The PubMed (MEDLINE), SPORTDiscus and Embase electronic databases were searched from 1 January 2000 to 1 March 2017 by three independent reviewers...
July 22, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28706811/surgical-technique-for-arthroscopy-assisted-anatomical-reconstruction-of-acromioclavicular-and-coracoclavicular-ligaments-using-autologous-hamstring-graft-in-chronic-acromioclavicular-joint-dislocations
#16
Bancha Chernchujit, Prashant Parate
Injuries to the acromioclavicular (AC) joint are becoming common with contact sports and bike accidents. It is well known that in AC dislocations, the first structure to fail is the AC capsule followed by the trapezoid and conoid ligaments. The function of these ligaments must be restored to restore the anatomy and physiology of the AC joint to get the best results. Until now, no technique has emerged as the gold standard for restoration of the AC joint anatomy and function. In our technique, the stress is on recreating the anatomy to make it more individualized based on individual variations...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706389/current-mycological-profile-of-onychomycosis-in-kashmir-valley-a-hospital-based-study
#17
Nazir Asifa, Kanth Farhath
INTRODUCTION: Onychomycosis is a common nail ailment associated with significant physical and psychological morbidity. It is caused by dermatophytes, nondermatophytic molds, and yeasts. Increased prevalence in the recent years is attributed to enhanced longevity, comorbid conditions such as diabetes, avid sports participation, and emergence of HIV. AIMS AND OBJECTIVES: This study was undertaken to identify the mycological profile and etiological agents associated with this infection...
July 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28705994/wearable-brain-imaging-with-multi-modal-physiological-recording
#18
Gary E Strangman, Vladimir Ivkovic, Quan Zhang
The brain is a central component of cognitive and physical human performance. Measures including functional brain activation, cerebral perfusion, cerebral oxygenation, evoked electrical responses, and resting hemodynamic and electrical activity are all related to, or can predict health status or performance decrements. However, measuring brain physiology typically requires large, stationary machines that are not suitable for mobile or self-monitoring. Moreover, when individuals are ambulatory, systemic physiological fluctuations-e...
July 13, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28705220/the-role-of-sports-clubs-in-helping-older-people-to-stay-active-and-prevent-frailty-a-longitudinal-mediation-analysis
#19
Paul Watts, Elizabeth Webb, Gopalakrishnan Netuveli
BACKGROUND: Frailty is a common syndrome in older adults characterised by increased vulnerability to adverse health outcomes as a result of decline in functional and physiological measures. Frailty predicts a range of poor health and social outcomes and is associated with increased risk of hospital admission. The health benefits of sport and physical activity and the health risks of inactivity are well known. However, less is known about the role of sports clubs and physical activity in preventing and managing frailty in older adults...
July 14, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28701720/physiological-demands-of-a-swimming-based-video-game-influence-of-gender-swimming-background-and-exergame-experience
#20
Pooya Soltani, Pedro Figueiredo, João Ribeiro, Ricardo J Fernandes, João Paulo Vilas-Boas
Active video games (exergames) may provide short-term increase in energy expenditure. We explored the effects of gender and prior experience on aerobic and anaerobic energy systems contributions, and the activity profiles of 40 participants playing with a swimming exergame. We recorded oxygen consumption and assessed blood lactate after each swimming technique. We also filmed participants' gameplays, divided them into different phases and tagged them as active or inactive. Anaerobic pathway accounted for 8...
July 12, 2017: Scientific Reports
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