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https://www.readbyqxmd.com/read/29775483/ldha-gene-is-associated-with-pigeon-survivability-during-racing-competitions
#1
Sherif Ramadan, Takeshi Miyake, Junichi Yamaura, Miho Inoue-Murayama
Pigeon racing is a popular sport worldwide. Pigeons are under continuous selection to improve speed, spatial orientation, and endurance during long flights. However, numerous genetic and non-genetic factors affect survivability and homing ability, making such traits difficult for breeders to control. Polymorphisms in the lactate dehydrogenase A gene (LDHA) likely affects pigeon racing and homing abilities, due to its role in physical and mental performance. Additionally, the adenylate cyclase activating polypeptide 1 gene (ADCYAP1) has been associated with physiological and behavioral shifts that occur during avian migration...
2018: PloS One
https://www.readbyqxmd.com/read/29772956/lumbar-muscle-structure-predicts-operational-postures-in-active-duty-marines
#2
David B Berry, Bahar Shahidi, Ana E Rodríguez-Soto, Jan M Hughes-Austin, Karen R Kelly, Samuel R Ward
Study Design Cross-sectional. Background The relationship between lumbar spine posture and muscle structure is not well understood. Objectives Investigate the predictive capacity of muscle structure on lumbar spine posture in active duty Marines. Methods Fouty-three Marines were scanned using an upright magnetic resonance imaging (MRI) scanner while standing unloaded and standing, sitting, and prone on elbows with body armor. Cobb, horizontal, and sacral angles were measured. Marines were then scanned unloaded in supine using a supine MRI scanner...
May 17, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29769830/low-external-workloads-are-related-to-higher-injury-risk-in-professional-male-basketball-games
#3
Toni Caparrós, Martí Casals, Álvaro Solana, Javier Peña
The primary purpose of this study was to identify potential risk factors for sports injuries in professional basketball. An observational retrospective cohort study involving a male professional basketball team, using game tracking data was conducted during three consecutive seasons. Thirty-three professional basketball players took part in this study. A total of 29 time-loss injuries were recorded during regular season games, accounting for 244 total missed games with a mean of 16.26 ± 15.21 per player and season...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29764915/remote-physiological-monitoring-in-an-austere-environment-a-future-for-battlefield-care-provision
#4
Matthew J Smyth, J A Round, A J Mellor
Wearable technologies are making considerable advances into the mainstream as they become smaller and more user friendly. The global market for such devices is forecasted to be worth over US$5 billion in 2018, with one in six people owning a device. Many professional sporting teams use self-monitoring to assess physiological parameters and work rate on the pitch, highlighting the potential utility for military command chains. As size of device reduces and sensitivity improves, coupled with remote connectivity technology, integration into the military environment could be relatively seamless...
May 14, 2018: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/29752515/epidemiology-and-pathophysiology-of-neurogenic-bladder-after-spinal-cord-injury
#5
Rizwan Hamid, Marcio Augusto Averbeck, Humberto Chiang, Arturo Garcia, Riyad T Al Mousa, Seung-June Oh, Anita Patel, Mauricio Plata, Giulio Del Popolo
Spinal cord injury (SCI) usually affects younger age groups with male preponderance. The most common traumatic cause is road traffic accident followed by sports accidents and gun-shot injuries. Infections and vascular events make up non-traumatic causes. There is regional variance in incidence and prevalence of SCI. Most systematic reviews have been undertaken from USA, Canada, and Australia with only few from Asia with resultant difficulty in estimation of worldwide figures. Overall, the incidence varies from 12 to more than 65 cases/million per year...
May 11, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29748459/sport-activity-for-health-the-effects-of-karate-participants-involvement-perceived-value-and-leisure-benefits-on-recommendation-intention
#6
Ying-Chih Chang, Tsu-Ming Yeh, Fan-Yun Pai, Tai-Peng Huang
This study intends to discuss the effects of participants’ involvement, perceived value, and leisure benefits on recommendation intention in the sport of karate. The questionnaires were collected online by karate clubs on Facebook and included 369 valid participants. The research findings show that karate participants from different places of residence do not display significant differences in involvement, perceived value, leisure benefits, and recommendation intention. Furthermore, “attraction” in the involvement category reveals the highest mean, “paid spirit and energy being worthy” in perceived value appears as the highest mean, and “physiological benefits” in leisure benefits shows the highest mean...
May 10, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29745738/effect-of-prior-fatiguing-sport-specific-exercise-on-field-hockey-passing-ability
#7
Enzo Hollville, Vincent Le Croller, Yoshihiro Hirasawa, Rémi Husson, Giuseppe Rabita, Franck Brocherie
PURPOSE: This study aimed to evaluate the effect of multiple sets of repeated-sprint ability (RSA) induced fatigue on subsequent passing skill performance among field hockey. METHODS: Ten elite U-21 male field hockey players performed five sets of a combination of RSA test (6 × 20 m - 20 s of passive recovery) followed by a 1-min passing skill test (passing reception with subsequent passes at a pre-designed target). Fastest sprint time and cumulated sprint time for RSA test; total number of balls played, targeted and passing accuracy (number of balls targeted / total number of balls played) for passing skill test; heart rate (HR), blood lactate concentration ([La-]) and rating of perceived exertion (RPE) were collected throughout the protocol...
May 10, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29745735/time-trial-performance-in-elite-speed-skaters-after-remote-ischemic-preconditioning
#8
Philippe Richard, François Billaut
PURPOSE: Speed skating leads to blood-flow restriction and deoxygenation in the lower limbs (especially the right leg) that may affect performance. Although the acute influence of such deoxygenation is not clearly understood, we tested whether remote ischemic preconditioning (RIPC) could modify muscular oxygenation and improve time-trial performance in that sport. METHODS: Using a randomized, single-blind, placebo-controlled, crossover design, 9 elite speed skaters performed 1000-m on-ice time-trials preceded by either RIPC of the upper limbs (3x5-min compression/5-min reperfusion cycles at 30 mmHg > arterial systolic pressure) or SHAM (10 mmHg)...
May 10, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29738282/caffeine-ingestion-changes-time-motion-and-technical-tactical-aspects-in-simulated-boxing-matches-a-randomized-double-blind-pla-controlled-crossover-study
#9
Victor Silveira Coswig, Paulo Gentil, Francine Irigon, Fabrício Boscolo Del Vecchio
The number of offensive actions and glycolytic energy in combat sports both increase with caffeine (CAF) ingestion. In addition, the effects of CAF on technical-tactical and time-motion analysis and physiological parameters in boxing are unknown. This study aimed to investigate the effects of CAF ingestion on physiological parameters and the notational analysis of boxing matches. Ten male boxers were recruited; the participants ingested 6 mg kg-1 BM of CAF or placebo (PLA) 30 min prior to the match in a crossover design...
May 8, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29730745/the-heart-of-the-matter-years-saved-from-cardiovascular-and-cancer-deaths-in-an-elite-athlete-cohort-with-over-a-century-of-follow-up
#10
Juliana Antero-Jacquemin, Maja Pohar-Perme, Grégoire Rey, Jean-François Toussaint, Aurélien Latouche
To quantify the years of life saved from cardiovascular (CVD), cancer and overall deaths among elite athletes according to their main type of physiological effort performed in the Olympic Games. All French athletes participating in the Games from 1912 to 2012, with vital status validated and cause of death (if concerned) identified by the national registries were included (n = 2814, 455 died) and classified according to 6 groups of effort: POWER (continuous effort < 45 s); INTERMEDIATE (45 s ≤ continuous effort < 600 s); ENDURANCE (continuous effort ≥ 600 s); POLYVALENT (participating in different events entering different classifications), INTERMITTENT (intermittent effort, i...
May 5, 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29728765/open-circuit-respirometry-real-time-laboratory-based-systems
#11
REVIEW
Susan A Ward
This review explores the conceptual and technological factors integral to the development of laboratory-based, automated real-time open-circuit mixing-chamber and breath-by-breath (B × B) gas-exchange systems, together with considerations of assumptions and limitations. Advances in sensor technology, signal analysis, and digital computation led to the emergence of these technologies in the mid-20th century, at a time when investigators were beginning to recognise the interpretational advantages of nonsteady-state physiological-system interrogation in understanding the aetiology of exercise (in)tolerance in health, sport, and disease...
May 4, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29722578/a-review-of-prevention-diagnosis-and-treatment-of-relative-energy-deficiency-in-sport-red-s-in-artistic-synchronized-swimming
#12
Sherry Robertson, Margo Mountjoy
The syndrome Relative Energy Deficiency in Sport (RED-S) is a clinical entity characterized by low energy availability (LEA), which can negatively affect the health and performance of both male and female athletes. The underlying mechanism of RED-S is an inadequacy of dietary energy to support optimal health and performance. This syndrome refers to impaired physiological function including metabolic rate, menstrual function, bone health, immunity, protein synthesis, and cardiovascular health, with psychological consequences which can either precede (through restrictive dietary habits) or result from RED-S...
May 3, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29721839/association-of-lower-limb-compression-garments-during-high-intensity-exercise-with-performance-and-physiological-responses-a-systematic-review-and-meta-analysis
#13
REVIEW
César Augusto da Silva, Lucas Helal, Roberto Pacheco da Silva, Karlyse Claudino Belli, Daniel Umpierre, Ricardo Stein
BACKGROUND: Although compression garments are used to improve sports performance, methodological approaches and the direction of evidence regarding garments for use in high-intensity exercise settings are diverse. OBJECTIVES: Our primary aim was to summarize the association between lower-limb compression garments (LLCGs) and changes in sports performance during high-intensity exercise. We also aimed to summarize evidence about the following physiological parameters related to sports performance: vertical jump height (VJ), maximal oxygen uptake (VO2 max), submaximal oxygen uptake (VO2 submax), blood lactate concentrations ([La]), and ratings of perceived exertion (RPE, 6-20 Borg scale)...
May 2, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29721434/physiological-parameter-values-in-greyhounds-before-and-after-high-intensity-exercise
#14
Francisco Javier Pellegrino, Analía Risso, Pablo G Vaquero, Yanina A Corrada
Dog sports competitions have greatly expanded. The availability of reference values for each type of activity could help assess fitness accurately. Heart rate (HR), blood lactate (BL) and rectal temperature (RT) are relevant physiological parameters to determine the dogs response to effort. Previous studies in greyhounds have reported the effect of high-intensity exercise on many physiological parameters immediately after completing different racing distances and recovery times. However, there are no studies concerning physiological changes over shorter racing distances...
2018: Open Veterinary Journal
https://www.readbyqxmd.com/read/29700195/n-c-craig-sharp
#15
Oswald Jarrett, Max Murray, Jack Boyd, Norman Wright
A vet whose journey took him from veterinary physiology, through pathology to sports science, a field in which he was world-renowned.
April 28, 2018: Veterinary Record
https://www.readbyqxmd.com/read/29698495/the-impact-of-high-and-low-intensity-exercise-in-adolescents-with-movement-impairment
#16
Francesca Liu, Martyn Morris, Lisa Hicklen, Hooshang Izadi, Helen Dawes
Five to six percent of young people have movement impairment (MI) associated with reduced exercise tolerance and physical activity levels which persist into adulthood. To better understand the exercise experience in MI, we determined the physiological and perceptual responses during and following a bout of exercise performed at different intensities typically experienced during sport in youth with MI. Thirty-eight adolescents (11-18 years) categorised on the Bruininks-Oseretsky Test of Motor Proficiency-2 Short-Form performed a peak oxygen uptake bike test ([Formula: see text]) test at visit 1 (V1)...
2018: PloS One
https://www.readbyqxmd.com/read/29698457/rapid-weight-reduction-does-not-impair-athletic-performance-of-taekwondo-athletes-a-pilot-study
#17
Woo-Hwi Yang, Oliver Heine, Marijke Grau
In combat sports such as taekwondo (TKD), athletes rapidly reduce body weight to achieve a desired weight category. Competition takes place 16-24 h after weigh-in and thus, the recovery time is an important factor for competition performance. The purpose of this study was to investigate the impact of rapid weight reduction (RWR) on athletic performance and associated hemorheological properties considering relevant recovery time. Five male TKD athletes reduced body weight by 5% within 3½ days. A simulated competition day (SCD) was carried out after a 16 h recovery period...
2018: PloS One
https://www.readbyqxmd.com/read/29687074/the-relationship-between-concussion-and-alcohol-consumption-among-university-athletes
#18
Bradey Alcock, Caitlyn Gallant, Dawn Good
Introduction: This study investigated concussion as a potential risk factor for increased alcohol consumption in university athletes. Methods: Using a cross-sectional design, 41 university students (37% with a history of concussion) completed self-report measures, while electrodermal activation (EDA) was recorded for each participant to capture baseline physiological arousal. Results: As expected, concussion status significantly predicted alcohol consumption over and above athletic status, b  = 0...
June 2018: Addictive Behaviors Reports
https://www.readbyqxmd.com/read/29685283/blood-biomarkers-are-associated-with-brain-function-and-blood-flow-following-sport-concussion
#19
Alex P Di Battista, Nathan Churchill, Tom A Schweizer, Shawn G Rhind, Doug Richards, Andrew J Baker, Michael G Hutchison
BACKGROUND: Secondary injury pathophysiology after sport-related concussion (SRC) is poorly understood. Blood biomarkers may be a useful tool for characterizing these processes, yet there are limitations in their application as a single modality. Combining blood biomarker analysis with advanced neuroimaging may help validate their continued utility in brain injury research by elucidating important secondary injury mechanisms. Hence, the purpose of this study was to evaluate co-modulation between peripheral blood biomarkers and advanced functional brain imaging after SRC...
June 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29682219/cardiovascular-disease-related-mirnas-expression-potential-role-as-biomarkers-and-effects-of-training-exercise
#20
REVIEW
Simona Ultimo, Giorgio Zauli, Alberto M Martelli, Marco Vitale, James A McCubrey, Silvano Capitani, Luca M Neri
Cardiovascular diseases (CVDs) are one of the most important causes of mortality worldwide, therefore the need of effective preventive strategies is imperative. Aging is associated with significant changes in both cardiovascular structure and function that lower the threshold for clinical signs and symptoms, making older people more susceptible to CVDs morbidity and mortality. microRNAs (miRNAs) modulate gene expression at post-transcriptional level and increasing evidence has shown that miRNAs are involved in cardiovascular physiology and in the pathogenesis of CVDs...
March 30, 2018: Oncotarget
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