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https://www.readbyqxmd.com/read/29051874/hamulus-stress-fracture-in-a-batsman-an-unusual-injury-in-cricket-a-case-report-and-review-of-literature
#1
M S Dhillon, Rakesh John, Himmat Dhillon, Sidak Dhillon, Sharad Prabhakar
INTRODUCTION: Hamulus fractures are uncommon injuries constituting 2-4% of carpal fractures and are usually reported in athletes. Stress fractures of hamulus are even rarer and very few cases have been reported till date. In this case report, we present the first documented case of stress fracture of hamulus in a cricket batsman and review the existing literature on hamulus fractures, both acute and stress fractures, in sportspersons in general. CASE REPORT: A 23-year-old, right-handed, cricket batsman presented with pain in the hypothenar region of his left hand of 7 weeks duration...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29047222/validation-of-the-german-version-of-the-ford-insomnia-response-to-stress-test
#2
Arne Dieck, Susanne Helbig, Christopher L Drake, Jutta Backhaus
The purpose of this study was to assess the psychometric properties of a German version of the Ford Insomnia Response to Stress Test with groups with and without sleep problems. Three studies were analysed. Data set 1 was based on an initial screening for a sleep training program (n = 393), data set 2 was based on a study to test the test-retest reliability of the Ford Insomnia Response to Stress Test (n = 284) and data set 3 was based on a study to examine the influence of competitive sport on sleep (n = 37)...
October 19, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/29037088/physical-fitness-and-prior-physical-activity-are-both-associated-with-less-cortisol-secretion-during-psychosocial-stress
#3
Carly J Wood, Angela Clow, Frank Hucklebridge, Robin Law, Nina Smyth
BACKGROUND: Evidence linking fitness and decreased psychosocial stress comes from studies of athletes and typically relies upon self-report measures. Furthermore, there is little evidence regarding the impact of physical activity (PA) prior to a stressor. The aims of this study were to determine whether fitness and prior PA influence cortisol concentrations during psychosocial stress. METHODS: Seventy-five non-athletic participants took part in a submaximal walk prior to the Trier Social Stress Test for Groups (TSST-G)...
October 16, 2017: Anxiety, Stress, and Coping
https://www.readbyqxmd.com/read/29035979/effect-of-a-commercially-available-footwear-insole-on-biomechanical-variables-associated-with-common-running-injuries
#4
Ryan T Lewinson, Darren J Stefanyshyn
OBJECTIVE: To determine whether Dr. Scholl's Active Series (DSAS) footwear insoles alter biomechanical variables associated with running injuries. DESIGN: Randomized, controlled experiment. SETTING: Sport medicine and biomechanics gait analysis laboratory. PARTICIPANTS: Fifteen healthy adults. INTERVENTIONS: The control condition was the participant's own athletic footwear. The experimental condition was the participant's own athletic footwear plus a DSAS insole...
October 10, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29031471/gunslingers-poker-players-and-chickens-3-decision-making-under-mental-performance-pressure-in-junior-elite-athletes
#5
Beth L Parkin, Vincent Walsh
BACKGROUND: Having investigated the decision making of world class elite and subelite athletes (see Parkin and Walsh, 2017; Parkin et al., 2017), here the abilities of those at the earliest stage of entry to elite sport are examined. Junior elite athletes have undergone initial national selection and are younger than athletes examined previously (mean age 13 years). Decision making under mental pressure is explored in this sample. During performance an athlete encounters a wide array of mental pressures; these include the psychological impact of errors, negative feedback, and requirements for sustained attention in a dynamic environment (Anshel and Wells, 2000; Mellalieu et al...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29031468/gunslingers-poker-players-and-chickens-1-decision-making-under-physical-performance-pressure-in-elite-athletes
#6
Beth L Parkin, Katie Warriner, Vincent Walsh
BACKGROUND: The cognitive skills required during sport are highly demanding; accurate decisions based on the processing of dynamic environments are made in a fraction of a second (Walsh, 2014). Optimal decision-making abilities are crucial for success in sporting competition (Bar-Eli et al., 2011; Kaya, 2014). Moreover, for the elite athlete, decision making is required under conditions of intense mental and physical pressure (Anshel and Wells, 2000), yet much of the work in this area has largely ignored the highly stressful context in which athletes operate...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29031461/sleep-sport-and-the-brain
#7
Shona L Halson, Laura E Juliff
The recognition that sleep is one of the foundations of athlete performance is increasing both in the elite athlete arena as well as applied performance research. Sleep, as identified through sleep deprivation and sleep extension investigations, has a role in performance, illness, injury, metabolism, cognition, memory, learning, and mood. Elite athletes have been identified as having poorer quality and quantity of sleep in comparison to the general population. This is likely the result on training times, competition stress/anxiety, muscle soreness, caffeine use, and travel...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29031332/right-ventricular-function-during-pharmacological-and-exercise-stress-testing-in-horses
#8
A Decloedt, D De Clercq, S Ven, L Vera, G van Loon
The disproportionate rise of pulmonary artery pressure compared to systemic blood pressure during exercise can lead to detrimental right ventricular remodelling in endurance athletes. Horses may act as an extreme model of these athletic cardiovascular adaptations, as they show a three fold increase in pulmonary pressures during exercise. Right ventricular function was examined in ten healthy horses using post-exercise and pharmacological stress echocardiography in a randomised cross-over design. Exercise testing was performed on a treadmill while pharmacological testing was performed using an atropine-dobutamine infusion...
September 2017: Veterinary Journal
https://www.readbyqxmd.com/read/29028750/injuries-to-the-female-athlete-in-2017-part-i-general-considerations-concussions-stress-fractures-and-the-female-athlete-triad
#9
Rachel M Frank, Anthony A Romeo, Charles A Bush-Joseph, Bernard R Bach
No abstract text is available yet for this article.
October 12, 2017: JBJS Reviews
https://www.readbyqxmd.com/read/29028625/difference-in-kick-motion-of-adolescent-soccer-players-in-presence-and-absence-of-low-back-pain
#10
Michio Tojima, Suguru Torii
Many adolescent soccer players experience low back pain (LBP). However, there are no reports studying the kick motion of adolescent soccer players experiencing LBP. This study aimed to clarify the kick motion of adolescent soccer players in the presence and absence of LBP. We recruited 42 adolescent soccer players and divided them into two groups according to the presence of LBP (LBP group, n=22) and absence of LBP (NBP group, n=20). We measured real-time kick motion using a three-dimensional motion analysis system...
October 7, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29018907/mri-sport-specific-pulley-imaging
#11
Michael N Hoff, Todd D Greenberg
OBJECTIVE: We aim to create a novel MRI methodology that employs sport-specific stress views for imaging finger pulley injuries in the evaluation of post-operative healing effectiveness. The goal is to measure the bone to tendon distance (BTD), which is the current standard for determining pulley injuries. MATERIALS AND METHODS: The athlete was imaged in a crimp-grip stressed position to emulate sport-specific biomechanics. A Gradient Echo technique was modified to maximize the signal to noise ratio and minimize distortion near the bone and tendon, simplifying the determination of the BTD...
October 10, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28994489/short-term-resource-allocation-during-extensive-athletic-competition
#12
Daniel P Longman, Sean P Prall, Eric C Shattuck, Ian D Stephen, Jay T Stock, Jonathan C K Wells, Michael P Muehlenbein
OBJECTIVES: Following predictions from life history theory, we sought to identify acute trade-offs between reproductive effort (as measured by psychological arousal) and somatic maintenance (via functional measures of innate immunity) during conditions of severe energetic imbalance. METHODS: Sixty-six male ultramarathon runners (ages 20 to 37 years) were sampled before and after a lengthy race. Saliva and sera were collected for testosterone and immunological analyses (hemolytic complement activity and bacterial killing ability)...
October 10, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28990148/athletes-and-the-aorta-normal-adaptations-and-the-diagnosis-and-management-of-pathology
#13
REVIEW
J Stephen Hedley, Dermot Phelan
Over a hundred years ago, physicians first recognized that participation in regular, vigorous training resulted in enlargement of the heart. Since that time, the term "athlete's heart" has entered the medical lexicon as a global expression encompassing the electrical, functional, and morphological adaptations that develop in response to physical training. Exercise-induced adaptations of the aorta, which is also exposed to large hemodynamic stresses during prolonged endurance exercise or resistance training, are less well recognized...
October 9, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28985103/low-bone-mineral-density-in-male-athletes-is-associated-with-bone-stress-injuries-at-anatomic-sites-with-greater-trabecular-composition
#14
Adam S Tenforde, Allyson L Parziale, Kristin L Popp, Kathryn E Ackerman
BACKGROUND: While sports participation is often associated with health benefits, a subset of athletes may develop impaired bone health. Bone stress injuries (BSIs) are a common overuse injury in athletes; site of injury has been shown to relate to underlying bone health in female athletes. Hypothesis/Purpose: This case series characterizes the association of type of sports participation and anatomic site of BSIs with low bone mineral density (BMD), defined as BMD Z-score <-1.0. Similar to female athletes, it was hypothesized that male athletes who participate in running and sustain BSIs in sites of higher trabecular bone content would be more likely to have low BMD...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28977294/sleep-quality-and-its-association-with-psychological-symptoms-in-adolescent-athletes
#15
Gabriel Cordeiro Gomes, Muana Hiandra Pereira Dos Passos, Hítalo Andrade Silva, Valéria Mayaly Alves de Oliveira, Wbinayara Alves Novaes, Ana Carolina Rodarti Pitangui, Rodrigo Cappato de Araújo
OBJECTIVE: To verify the prevalence of poor sleep quality and its association with personal characteristics and symptoms of depression, anxiety and stress in amateur adolescent athletes. METHODS: 309 adolescent athletes aged between 10 and 19 years were enrolled. Data collection included: a structured questionnaire, with personal information; the Pittsburgh Sleep Quality Index (PSQI); and the Depression, Anxiety and Stress Scale (DASS-21). Results are described in mean and standard deviation (numeric variables) and absolute and relative frequencies (categorical variables)...
July 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/28972854/the-effect-of-milk-on-recovery-from-repeat-sprint-cycling-in-female-team-sport-athletes
#16
Paula Rankin, Michael J Lawlor, Frank A Hills, Phillip G Bell, Emma J Stevenson, Emma Cockburn
The consumption of milk post-eccentric exercise attenuates the effects of muscle damage in team-sport athletes. However, participation in team sport involves both concentric-eccentric loading and metabolic stress. Therefore, the aim of this study was to investigate the effects of post-exercise milk consumption on recovery from a cycling protocol designed to simulate the metabolic demands of team sport. Ten female team-sport athletes participated in a randomised cross-over investigation. Upon completion of the protocol participants consumed 500ml of milk (MILK) or 500ml of an energy-matched carbohydrate (CHO) drink...
October 3, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28970200/wearable-physiological-systems-and-technologies-for-metabolic-monitoring
#17
Wei Gao, George A Brooks, David C Klonoff
Wearable sensors allow continuous monitoring of metabolites for diabetes, sports medicine, exercise science, and physiology research. These sensors can continuously detect target analytes in skin interstitial fluid (ISF), tears, saliva, and sweat. In this review, we will summarize developments on wearable devices and their potential applications in research, clinical practice, and recreational and sporting activities. Sampling skin ISF can require insertion of a needle into the skin, whereas sweat, tears, and saliva can be sampled by devices worn outside the body...
September 28, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28965337/stress-fracture-influences-bone-resorption-marker-u-ntx-in-female-long-distance-runners
#18
Shimpei Fujita, Keishoku Sakuraba, Atsushi Kubota, Kenta Wakamatsu, Natsue Koikawa
In this study, we aim to clarify the influence based on bone resorption markers at onset of stress fracture. Also, we will clarify the state of the bone resorption markers of female long distance runners who have a history of stress fracture and also ones who routinely practices running long distances. Participants comprised 19 female long distance athletes. The survey period was 2011-2014, and we measured u-NTX as a bone resorption marker at least twice a year, taking the mean±SD of the periodic measured values without stress fracture as the mean value...
October 1, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28959699/distal-fibula-fractures-in-national-football-league-athletes
#19
Brian C Werner, Christina Mack, Kristina Franke, Ronnie P Barnes, Russell F Warren, Scott A Rodeo
BACKGROUND: Despite the frequency of distal fibula fractures in elite athletes and the significant potential impact on the athletes' season and future careers, little data exist characterizing the epidemiology of these injuries or, more importantly, return to competition. PURPOSE: To (1) evaluate the incidence of acute distal fibula fractures in National Football League (NFL) athletes, including isolated distal fibula and combined ankle fracture patterns; (2) analyze distal fibula fracture rates in NFL athletes by position, type of play, and contact type; (3) determine the rates of distal fibula fracture surgery in NFL athletes; and (4) report the days missed due to distal fibula fractures in NFL athletes...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28958144/assessment-of-pn-gal-as-a-marker-of-renal-function-in-elite-cyclists-during-professional-competitions
#20
A Andreazzoli, C Fossati, A Spaccamiglio, R Salvo, F Quaranta, C Minganti, L Di Luigi, P Borrione
Glomerular filtration rate (GFR) has been shown to be lower than physiological values during exercise with a strong negative correlation with exercise intensity. Among new markers of renal function, neutrophil gelatinase-associated lipocalin (NGAL) seems to be very promising. It is an early, sensitive and specific marker of acute kidney injury (AKI) with two isoforms: plasma NGAL (pNGAL) and urinary NGAL (uNGAL). The aim of the present study was to assess acute variations in NGAL plasma levels after performing high endurance physical exercise in a group of professional cyclists during the two major European professional cycling competitions (Giro D’Italia and Tour de France)...
July 2017: Journal of Biological Regulators and Homeostatic Agents
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