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https://www.readbyqxmd.com/read/28632061/the-effect-of-unilateral-arm-swing-motion-on-lower-extremity-running-mechanics-associated-with-injury-risk
#1
Cristine Agresta, Christian R Ward, W Geoffrey Wright, Carole A Tucker
Many field sports involve equipment that restricts one or both arms from moving while running. Arm swing during running has been examined from a biomechanical and physiologic perspective but not from an injury perspective. Moreover, only bilateral arm swing suppression has been studied with respect to running. The purpose of this study was to determine the influence of running with one arm restrained on lower extremity mechanics associated with running or sport-related injury. Fifteen healthy participants ran at a self-selected speed with typical arm swing, with one arm restrained and with both arms restrained...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28630575/acute-and-post-exercise-physiological-responses-to-high-intensity-interval-training-in-endurance-and-sprint-athletes
#2
Lukas Cipryan, Gerhard Tschakert, Peter Hofmann
The purpose of the presented study was to compare acute and post-exercise differences in cardiorespiratory, metabolic, cardiac autonomic, inflammatory and muscle damage responses to high-intensity interval exercise (HIIT) between endurance and sprint athletes. The study group consisted of sixteen highly-trained males (age 22.1 ± 2.5 years) participating in endurance (n = 8) or sprint (n = 8) sporting events. All the participants underwent three exercise sessions: short HIIT (work interval duration 30s), long HIIT (3min) and constant load exercise (CE)...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28628411/sports-and-the-growing-musculoskeletal-system-sports-imaging-series
#3
Jie C Nguyen, Scott E Sheehan, Kirkland W Davis, Kara G Gill
Increased youth participation in sports has resulted in increased injury tolls due to shifts toward participation in competitive sports at earlier ages, increased training intensity and competition schedules, as well as specialization into one sport. The physiology of the growing musculoskeletal system makes the growing athlete particularly vulnerable to specific types of injuries. Radiologists must understand the differences between pediatric and adult athletes to recognize the particular injuries to which these young athletes are prone...
July 2017: Radiology
https://www.readbyqxmd.com/read/28626873/assessing-prefrontal-cortex-oxygenation-after-sport-concussion-with-near-infrared-spectroscopy
#4
Scott A Bishop, J Patrick Neary
BACKGROUND: Clinicians typically rely on neuropsychological and balance tests to track concussion recovery. The aforementioned tests imply impairments that are based on performance, but these tests do not directly measure brain physiology throughout concussion recovery. Because of these issues, an objective biomarker that can index severity and the recovery timeline is needed. Moreover, the number of concussions occurring at a recreational level requires the biomarker to be easily administered in a cost effective manner, and the results easily interpreted...
June 18, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28625539/investigating-the-effects-of-maximal-anaerobic-fatigue-on-dynamic-postural-control-using-the-y-balance-test
#5
William Johnston, Kara Dolan, Niamh Reid, Garrett F Coughlan, Brian Caulfield
OBJECTIVES: The Y Balance Test is one of the most commonly used dynamic balance assessments, providing an insight into the integration of the sensorimotor subsystems. In recent times, there has been an increase in interest surrounding it's use in various clinical populations demonstrating alterations in motor function. Therefore, it is important to examine the effect physiological influences such as fatigue play in dynamic postural control, and establish a timeframe for its recovery. DESIGN: Descriptive laboratory study...
June 8, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28622487/an-integrated-model-of-chronic-whiplash-associated-disorder
#6
David M Walton, James M Elliott
Synopsis The development of persistent symptoms following whiplash injury from a motor vehicle collision (MVC) is common and contributes substantially to societal and personal costs. The popular Quebec Task Force (QTF) classification system of whiplash-associated disorders (WAD) was meant to function as a prognostic and intervention decision aid, but its usefulness has been questioned. Emerging evidence highlights the heterogeneity of WAD by demonstrating physical and psychological impairments that are unique to those who develop persistent symptoms...
June 16, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28622486/the-physiological-basis-of-cervical-facet-mediated-persistent-pain-basic-science-and-clinical-challenges
#7
Meagan E Ita, Sijia Zhang, Timothy P Holsgrove, Sonia Kartha, Beth A Winkelstein
Synopsis Chronic neck pain is common and a primary clinical symptom of whiplash and other spinal injuries. Loading-induced neck injuries produce abnormal kinematics between the vertebrae, with the potential to injure facet joints and the afferent fibers that innervate the specific joint tissues, including the capsular ligament. Mechanoreceptive and nociceptive afferents that innervate the facet have their peripheral terminals in the capsule, cell bodies in the dorsal root ganglia, and terminal processes in the spinal cord...
June 16, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28619292/psychophysiological-response-in-parachute-jumps-the-effect-of-experience-and-type-of-jump
#8
Vicente Javier Clemente-Suárez, José Juan Robles-Pérez, Jesús Fernández-Lucas
We aimed to analyse the effect of experience and type of parachute jump on the psychophysiological responses of jumpers. We analysed blood oxygen saturation, heart rate, blood glucose, lactate and creatinkinase, leg strength, isometric hand strength, cortical arousal, specific fine motor skills, self-confidence and cognition, and somatic and state anxiety, before and after four different parachute jumps: a sport parachute jump, a manual tactical parachute jump, tandem pilots, and tandem passengers. Independently of the parachute jump, the psychophysiological responses of experienced paratroopers were not affected by the jumps, except for an increase in anaerobic metabolism...
June 13, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28605229/beliefs-behaviors-and-contexts-of-adolescent-caffeine-use-a-focus-group-study
#9
Alison B Ludden, Elizabeth M O'Brien, Keryn E Pasch
BACKGROUND: Caffeinated products are widely available to adolescents, and consumption of caffeine products-energy drinks and coffee in particular-is on the rise in this age group (Branum, Rossen, & Schoendorf, 2014). Yet, little is known about the psychosocial context of caffeine use. Previous studies on adolescent caffeine use have focused on caffeine's acute physiological effects, rather than the psychosocial contexts and beliefs regarding different types of caffeinated beverages (e...
June 12, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28605209/pacing-and-self-regulation-important-skills-for-talent-development-in-endurance-sports
#10
Marije T Elferink-Gemser, Florentina J Hettinga
Pacing has been characterized as a multi-faceted goal-directed process of decision-making in which athletes need to decide how and when to invest their energy during the race, a process essential for optimal performance. Both physiological as well as psychological characteristics associated with adequate pacing and performance are known to develop with age. Consequently, the multi-faceted skill of pacing might be under construction throughout adolescence as well. Therefore, we propose that the complex skill of pacing is a potential important performance characteristic for talented youth athletes, that needs to be developed throughout adolescence...
June 12, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28601422/exposure-to-surgery-and-anesthesia-after-concussion-due-to-mild-traumatic-brain-injury
#11
Arnoley S Abcejo, Rodolfo Savica, William L Lanier, Jeffrey J Pasternak
OBJECTIVE: To describe the epidemiology of surgical and anesthetic procedures in patients recently diagnosed as having a concussion due to mild traumatic brain injury. PATIENTS AND METHODS: Study patients presented to a tertiary care center after a concussion due to mild traumatic brain injury from July 1, 2005, through June 30, 2015, and underwent a surgical procedure and anesthesia support under the direct or indirect care of a physician anesthesiologist. RESULTS: During the study period, 1038 patients met all the study inclusion criteria and subsequently received 1820 anesthetics...
June 7, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28585209/influence-of-antioxidants-on-leptin-metabolism-and-its-role-in-the-pathogenesis-of-obesity
#12
Harald Mangge, Christian Ciardi, Kathrin Becker, Barbara Strasser, Dietmar Fuchs, Johanna M Gostner
Obesity is associated with low-grade inflammation. Leptin, a hormone made by fat cells regulates appetite and hunger and thus food intake behavior. Interestingly, , food preservatives like sodium sulfite and sodium benzoate and also natural colorant and spice compounds such as curcumin were found to decrease the release of leptin in murine 3T3-L1 adipocytes, after co-incubation with LPS, which was added to mimic the pro-inflammatory status in obesity. Several of these compounds are well known food antioxidants...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28582628/energetic-demand-and-physical-conditioning-of-table-tennis-players-a-study-review
#13
Alessandro Moura Zagatto, Miran Kondric, Beat Knechtle, Pantelis Theo Nikolaidis, Billy Sperlich
Table tennis is a racket sport characterised by an intermittent movement profile, including short rallies interspersed with short breaks. In contrast to other racket sports, information is lacking regarding the: (i) physiological responses during table tennis matches and training; and (ii) practical recommendations for enhancing aerobic and anaerobic performance in table tennis by improving cardio-metabolic and neuro-muscular fitness, anthropometry and nutritional strategies. Therefore, this review article attempts to narratively provide an overview of the physiology of table tennis by describing the metabolic mechanisms underlying match play and outlining a framework for practical recommendations for improving cardio-metabolic and neuro-muscular fitness, anthropometry as well as nutritional strategies...
June 5, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28581692/examining-the-effects-of-rational-emotive-behavior-therapy-rebt-on-performance-outcomes-in-elite-paralympic-athletes
#14
Andrew G Wood, Jamie B Barker, Martin Turner, David Sheffield
Traditionally a psychotherapeutic intervention, Rational Emotive Behavior Therapy (REBT) is receiving increasing attention within the extant literature as an intervention to enhance the athletic performance and psychological wellbeing of competitive athletes. Whilst the benefits of REBT on psychological health are established, less is understood about the effects on athletic performance. The present study aimed to examine the immediate and maintained effects of REBT on physiological, psychological, and performance outcomes with elite Paralympic athletes...
June 5, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28574940/management-of-lumbar-conditions-in-the-elite-athlete
#15
Wellington K Hsu, Tyler James Jenkins
Lumbar disk herniation, degenerative disk disease, and spondylolysis are the most prevalent lumbar conditions that result in missed playing time. Lumbar disk herniation has a good prognosis. After recovery from injury, professional athletes return to play 82% of the time. Surgical management of lumbar disk herniation has been shown to be a viable option in athletes in whom nonsurgical measures have failed. Degenerative disk disease is predominately genetic but may be accelerated in athletes secondary to increased physiologic loading...
June 1, 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28574035/-vascular-pathology-in-the-aspect-of-sudden-death-in-young-adults-and-connective-tissue-dysplasia-anatomical-physiological-and-morphological-parallels
#16
Iu I Pigolkin, M A Shilova, I V Globa
Vascular pathology in young adults has during the last 10 years been diagnosed more often during forensic medical examination of sudden death. Major morphological alterations are revealed in cerebral vessels, coronary vessels, and at the level of the ascending portion of the aorta. Generally, in the young age there is no stenosing atherosclerosis inducing vascular lesions and the development of complications. It was determined that connective tissue dysplasia is pathology wherein weakness of the vascular wall is genetically preconditioned, thus promoting formation of vascular aneurysms and rupture of the latter under conditions of provoking factors such as going in for sports, physical loads, and psychoemotional stress...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28570384/team-logo-predicts-concussion-risk-lessons-in-protecting-a-vulnerable-sports-community-from-misconceived-but-highly-publicized-epidemiologic-research
#17
James M Smoliga, Gerald S Zavorsky
BACKGROUND: Observational research has linked altitude to concussion risk, but the physiologic and epidemiologic bases for this association remain questionable. METHODS: We performed a retrospective cohort study by analyzing four seasons of NFL data from a widely used database (Concussion Watch) to determine if previous claims that altitude ≥196m reduced concussion risk were replicable and whether an arbitrary predictor variable (animal vs. non-animal team logo) was related to concussion risk...
May 31, 2017: Epidemiology
https://www.readbyqxmd.com/read/28566813/kickboxing-review-anthropometric-psychophysiological-and-activity-profiles-and-injury-epidemiology
#18
REVIEW
M Slimani, H Chaabene, B Miarka, E Franchini, K Chamari, F Cheour
Kickboxing is one of the modern combat sports. The psychophysiological demands of a kickboxing competition require athletes to achieve high thresholds of several aspects of physical fitness. The aim of the current review is to critically analyse and appraise the kickboxer's anthropometric, physiological, physical and psychological attributes with the activity profile and injury epidemiology in order to provide practical recommendations for training as well as new areas of scientific research. The available information shows that both amateur and elite-level male kickboxers are characterized by a higher proportion of mesomorphy with a well-developed muscle mass and low body fat percentage...
June 2017: Biology of Sport
https://www.readbyqxmd.com/read/28558442/specific-physiological-and-biomechanical-performance-in-elite-sub-elite-and-in-non-elite-male-team-handball-players
#19
Herbert Wagner, Philip X Fuchs, Serge P von Duvillard
BACKGROUND: Team handball is a dynamic sport game that is played professionally in numerous countries. However, knowledge about training and competition is based mostly on practical experience due to limited scientific studies. Consequently, the aims of our study were to compare specific physiological and biomechanical performance in elite, sub-elite and in non-elite male team handball players. METHODS: Thirty-six elite, sub-elite and non-elite male team handball players performed a game based performance test, upper-body and lower-body strength tests, 30m sprint test, counter movement jump test and an incremental treadmill running test...
May 30, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28538304/a-performance-analysis-of-a-stand-up-paddle-board-marathon-race
#20
Ben L Schram, Wayne A Hing, Mike Climstein, James W Furness
Stand-up paddle boarding (SUP) is a rapidly growing sport and recreational activity in which little scientific research exists. A review of the literature failed to identify a single article pertaining to the physiological demands of SUP competition. The purpose of this study was to conduct a performance analysis of a national-level SUP marathon race. Ten elite SUP athletes (6 male and 4 female athletes) were recruited from the Stand Up Paddle Surfing Association of Australia to have their race performance in the Australian Titles analyzed...
June 2017: Journal of Strength and Conditioning Research
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