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https://www.readbyqxmd.com/read/29589413/physiological-demands-of-daily-riding-gaits-in-jockeys
#1
Michael A Kiely, Giles D Warrington, Adrian McGOLDRICK, Gillian O'Loughlin, Sarahjane Cullen
BACKGROUND: Jockeys should maintain a high level of physical fitness to meet the physical demands of horse racing. The aim of this study was to determine the physiological requirements of the riding gaits used regularly in training. METHODS: Eleven trainee jockeys performed a maximal incremental Wattbike cycle ergometer test. Mean absolute and relative oxygen uptake (VO2) and heart rate (HR) were recorded for the steady-state period during a walk, trot and canter...
March 27, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29561898/risk-factors-for-race-day-fatality-in-flat-racing-thoroughbreds-in-great-britain-2000-to-2013
#2
Sarah M Rosanowski, Yu-Mei Chang, Anthony J Stirk, Kristien L P Verheyen
A key focus of the racing industry is to reduce the number of race-day events where horses die suddenly or are euthanased due to catastrophic injury. The objective of this study was therefore to determine risk factors for race-day fatalities in Thoroughbred racehorses, using a cohort of all horses participating in flat racing in Great Britain between 2000 and 2013. Horse-, race- and course-level data were collected and combined with all race-day fatalities, recorded by racecourse veterinarians in a central database...
2018: PloS One
https://www.readbyqxmd.com/read/29476276/migraine-and-autonomic-dysfunction-which-is-the-horse-and-which-is-the-jockey
#3
REVIEW
Mitchell G Miglis
PURPOSE OF REVIEW: Symptoms of autonomic dysfunction are common in patients with migraine, both during and between migraine attacks. Studies evaluating objective autonomic testing in patients have found significant, though somewhat conflicting results. The purposes of this review are to summarize and interpret the key findings of these studies, including those evaluating heart rate variability, autonomic reflex testing, and functional imaging in patients with migraine. The neuroanatomy of the central autonomic network as it relates to migraine is also reviewed...
February 23, 2018: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/29475936/the-trojan-horse-approach-to-protein-jockeying
#4
Kathleen L Farquharson
No abstract text is available yet for this article.
February 23, 2018: Plant Cell
https://www.readbyqxmd.com/read/29431539/male-flat-jockeys-do-not-display-deteriorations-in-bone-density-or-resting-metabolic-rate-in-accordance-with-race-riding-experience-implications-for-red-s
#5
George Wilson, Dan Martin, James P Morton, Graeme L Close
Despite consistent reports of poor bone health in male jockeys, it is not yet known if this is a consequence of low energy availability or lack of an osteogenic stimulus. Given the rationale that low energy availability is a contributing factor in low bone health, we tested the hypothesis that both hip and lumbar bone mineral density (BMD) should progressively worsen in accordance with the years of riding. In a cross-sectional design, male apprentice (n=17) and senior (n=14) jockeys (matched for body mass and fat free mass) were assessed for hip and lumbar spine BMD as well as both measured and predicted resting metabolic rate (RMR)...
February 12, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29352495/ultrasonographic-based-predictive-factors-influencing-successful-return-to-racing-after-superficial-digital-flexor-tendon-injuries-in-flat-racehorses-a-retrospective-cohort-study-in-469-thoroughbred-racehorses-in-hong-kong
#6
R Alzola, C Easter, C M Riggs, D S Gardner, S L Freeman
BACKGROUND: Superficial digital flexor tendon (SDFT) injury is an important health and welfare concern in racehorses. It is generally diagnosed with ultrasonography, but predictive ultrasonographic features have not been reported. OBJECTIVES: To determine ultrasonographic features of forelimb SDFT injury at initial presentation in Thoroughbred racehorses that could predict a successful return to racing (completing ≥5 races). STUDY DESIGN: Retrospective cohort study...
January 20, 2018: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29215970/energy-expenditure-in-professional-flat-jockeys-using-doubly-labelled-water-during-the-racing-season-implications-for-body-weight-management
#7
George Wilson, Daloni Lucas, Catherine Hambly, John R Speakman, James P Morton, Graeme L Close
To formulate individualized dietary strategies for jockeys, it is vital that energy requirements are quantified. We measured total energy expenditure (TEE) over two separate weeks in spring and summer using doubly labelled water in a group of male flat jockeys (n = 8, 36.9 ± 5.7 years, 164 ± 8 cm, 54.6 ± 2.5 kg). Total energy intake (TEI) was self-recorded, as were all riding and structured exercise activity. Mean daily TEE was 10.83 (±2.3) and 10.66 (±1.76) MJ, (p = .61) respectively...
March 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29154693/epidemiology-of-injury-due-to-race-day-jockey-falls-in-professional-flat-and-jump-horse-racing-in-ireland-2011-2015
#8
Siobhan O'Connor, Giles Warrington, Adrian McGoldrick, SarahJane Cullen
CONTEXT:   Professional horse racing is considered a high-risk sport, yet the last analysis of fall and injury incidence in this sport in Ireland was completed between 1999 and 2006. OBJECTIVE:   To provide an updated analysis of the fall and injury incidence in professional flat and jump horse racing in Ireland from 2011 through 2015, compare it with the previous analysis, and detail the specific types and locations of injuries. DESIGN:   Descriptive epidemiology study...
December 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29031324/thoroughbred-fatality-and-associated-jockey-falls-and-injuries-in-races-in-new-south-wales-and-the-australian-capital-territory-australia-2009-2014
#9
C E Wylie, P McManus, C McDonald, S Jorgensen, P McGreevy
Monitoring racehorse fatality and associated jockey falls provides benchmarks for intervention strategies. The aims of this study were to describe the incidence of and reasons for fatalities in Thoroughbred horses during flat races in the Australian Capital Territory and New South Wales (NSW), Australia, and to describe reported jockey falls and injuries associated with racehorse fatalities. A cohort study identified all racehorse fatalities reported through Racing NSW for the 2009-2010 to 2013-2014 racing seasons...
September 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28828268/rna-helicase-domains-of-viral-origin-in-proteins-of-insect-retrotransposons-possible-source-for-evolutionary-advantages
#10
Sergey Y Morozov, Ekaterina A Lazareva, Andrey G Solovyev
Recently, a novel phenomenon of horizontal gene transfer of helicase-encoding sequence from positive-stranded RNA viruses to LINE transposons in insect genomes was described. TRAS family transposons encoding an ORF2 protein, which comprised all typical functional domains and an additional helicase domain, were found to be preserved in many families during the evolution of the order Lepidoptera. In the present paper, in species of orders Hemiptera and Orthoptera, we found helicase domain-encoding sequences integrated into ORF1 of retrotransposons of the Jockey family...
2017: PeerJ
https://www.readbyqxmd.com/read/28796430/reproductive-careers-of-thoroughbred-broodmares-before-and-after-surgical-correction-of-%C3%A2-360-degree-large-colon-volvulus
#11
E R Leahy, S J Holcombe, E S Hackett, C F Scoggin, R M Embertson
BACKGROUND: Limited data exist describing broodmare longevity and reproductive efficiency after surgical correction of ≥360 degree large colon volvulus (° LCV). OBJECTIVES: Compare career duration and foals delivered for broodmares before and after ≥360° LCV surgery. STUDY DESIGN: Retrospective case series. METHODS: Broodmares registered with The Jockey Club that had surgical correction of ≥360° LCV and survived to hospital discharge at Rood and Riddle Equine Hospital from 1 January 2000 to 31 December 2015 were included...
August 10, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28732265/chronic-work-stress-and-decreased-vagal-tone-impairs-decision-making-and-reaction-time-in-jockeys
#12
Kathleen Landolt, Paul Maruff, Ben Horan, Michael Kingsley, Glynda Kinsella, Paul D O'Halloran, Matthew W Hale, Bradley J Wright
The inverse relationship between acute stress and decision-making is well documented, but few studies have investigated the impact of chronic stress. Jockeys work exhaustive schedules and have extremely dangerous occupations, with safe performance requiring quick reaction time and accurate decision-making. We used the effort reward imbalance (ERI) occupational stress model to assess the relationship of work stress with indices of stress physiology and decision-making and reaction time. Jockeys (N=32) completed computerised cognitive tasks (Cogstate) on two occasions; September and November (naturally occurring lower and higher stress periods), either side of an acute stress test...
July 14, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28684648/a-cross-sectional-study-of-the-knowledge-attitude-and-practice-of-patients-aged-50-years-or-above-towards-herpes-zoster-in-an-out-patient-setting
#13
A Cy Lam, M Y Chan, H Y Chou, S Y Ho, H L Li, C Y Lo, K F Shek, S Y To, K K Yam, I Yeung
INTRODUCTION: There has been limited research on the knowledge of and attitudes about herpes zoster in the Hong Kong population. This study aimed to investigate the knowledge, attitude, and practice of patients aged 50 years or above towards herpes zoster and its vaccination. METHODS: This was a cross-sectional study in the format of a structured questionnaire interview carried out in Sai Ying Pun Jockey Club General Outpatient Clinic in Hong Kong. Knowledge of herpes zoster and its vaccination was assessed, and patient attitudes to and concerns about the disease were evaluated...
July 7, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28678163/genome-sequences-of-marine-shrimp-exopalaemon-carinicauda-holthuis-provide-insights-into-genome-size-evolution-of-caridea
#14
Jianbo Yuan, Yi Gao, Xiaojun Zhang, Jiankai Wei, Chengzhang Liu, Fuhua Li, Jianhai Xiang
Crustacea, particularly Decapoda, contains many economically important species, such as shrimps and crabs. Crustaceans exhibit enormous (nearly 500-fold) variability in genome size. However, limited genome resources are available for investigating these species. Exopalaemoncarinicauda Holthuis, an economical caridean shrimp, is a potential ideal experimental animal for research on crustaceans. In this study, we performed low-coverage sequencing and de novo assembly of the E. carinicauda genome. The assembly covers more than 95% of coding regions...
July 5, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28626896/gestation-length-and-racing-performance-in-115-thoroughbred-foals-with-incomplete-tarsal-ossification
#15
L Haywood, D L Spike-Pierce, B Barr, D Mathys, D Mollenkopf
BACKGROUND: Incomplete ossification of the cuboidal bones of the carpus and tarsus in foals has the potential for significant consequences including chronic lameness and decreased athletic ability. OBJECTIVES: To determine if the degree of ossification of the cuboidal bones is associated with gestational length and if the diagnosis of incomplete ossification is a predictor of performance in Thoroughbred racehorses. STUDY DESIGN: Retrospective cohort study...
January 2018: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28612306/bone-density-and-body-composition-in-newly-licenced-professional-jockeys
#16
K A Jackson, M T Sanchez-Santos, A L MacKinnon, A Turner, K Kuznik, S Ellis, C Box, J Hill, M K Javaid, C Cooper, N K Arden, J L Newton
The primary objective is the description of bone mineral density (BMD) and body composition in newly licensed jockeys. One in three male, flat jockeys has a very low bone mineral density. Further research is needed to assess the short-term risk of fractures and long-term health implications of these findings. INTRODUCTION: Describe bone mineral density (BMD) and body composition in entry-level male and female, flat and jump jockeys in Great Britain. METHODS: Data was collected on jockeys applying for a professional jockey license between 2013 and 2015...
September 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28556673/markers-of-bone-health-bone-specific-physical-activities-nutritional-intake-and-quality-of-life-of-professional-jockeys-in-hong-kong
#17
Eric Tsz-Chun Poon, John O'Reilly, Sinead Sheridan, Michelle Mingjing Cai, Stephen Heung-Sang Wong
Weight-making practices regularly engaged in by horse racing jockeys have been suggested to impair both physiological and mental health. This study aimed to assess bone health markers, nutritional intake, bone-specific physical activity habits and quality of life of professional jockeys in Hong Kong (n = 14), with gender-, age- and BMI-matched controls (n = 14). Anthropometric measurements, serum hormonal biomarkers, bone mineral density (BMD), bone-specific physical activity habits, nutritional intake, and quality of life (QOL) were assessed in all participants...
May 30, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28480574/description-of-the-incidence-clinical-presentation-and-outcome-of-proximal-limb-and-pelvic-fractures-in-hong-kong-racehorses-during-2003-2014
#18
L McGlinchey, M J Hurley, C M Riggs, S M Rosanowski
BACKGROUND: Few studies have described incidences of proximal limb and pelvic fracture (PLPF) in Thoroughbred racehorses occurring on race day and during training. Information regarding clinical presentations and future racing careers in cases of PLPF is limited. OBJECTIVES: To describe the incidence, clinical presentation and outcome of PLPF sustained by horses in racing and training at the Hong Kong Jockey Club (HKJC) between 2003 and 2014. STUDY DESIGN: Retrospective cohort study...
November 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28275207/whip-rule-breaches-in-a-major-australian-racing-jurisdiction-welfare-and-regulatory-implications
#19
Jennifer Hood, Carolyn McDonald, Bethany Wilson, Phil McManus, Paul McGreevy
Whip use in horseracing is increasingly being questioned on ethical, animal welfare, social sustainability, and legal grounds. Despite this, there is weak evidence for whip use and its regulation by Stewards in Australia. To help address this, we characterised whip rule breaches recorded by Stewards using Stewards Reports and Race Diaries from 2013 and 2016 in New SouthWales (NSW) and the Australian Capital Territory (ACT). There were more recorded breaches at Metropolitan (M) than Country (C) or Provincial (P) locations, and by riders of horses that finished first, second, or third than by riders of horses that finished in other positions...
January 16, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28204924/genome-wide-analysis-of-transposable-elements-in-the-coffee-berry-borer-hypothenemus-hampei-coleoptera-curculionidae-description-of-novel-families
#20
Eric M Hernandez-Hernandez, Rita Daniela Fernández-Medina, Lucio Navarro-Escalante, Jonathan Nuñez, Pablo Benavides-Machado, Claudia M A Carareto
The coffee berry borer (CBB) Hypothenemus hampei is the most limiting pest of coffee production worldwide. The CBB genome has been recently sequenced; however, information regarding the presence and characteristics of transposable elements (TEs) was not provided. Using systematic searching strategies based on both de novo and homology-based approaches, we present a library of TEs from the draft genome of CBB sequenced by the Colombian Coffee Growers Federation. The library consists of 880 sequences classified as 66% Class I (LTRs: 46%, non-LTRs: 20%) and 34% Class II (DNA transposons: 8%, Helitrons: 16% and MITEs: 10%) elements, including families of the three main LTR (Gypsy, Bel-Pao and Copia) and non-LTR (CR1, Daphne, I/Nimb, Jockey, Kiri, R1, R2 and R4) clades and DNA superfamilies (Tc1-mariner, hAT, Merlin, P, PIF-Harbinger, PiggyBac and Helitron)...
June 2017: Molecular Genetics and Genomics: MGG
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