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https://www.readbyqxmd.com/read/29228435/review-of-recent-advances-in-the-management-of-hypertrophic-cardiomyopathy
#1
Y Cao, P-Y Zhang
Hypertrophic cardiomyopathy (HCM) is a complex but common monogenic cardiovascular disorder characterized by unexplained non dilated left ventricular (LV) thickening in the absence of another cardiac or systemic disease. The condition is associated with sudden and unexpected death in young individuals including trained athletes. HCM represents a genetic disorder caused by mutations in genes encoding sarcomeric proteins of the cardiac myocyte. This review article discusses the genetics behind HCM, its clinical presentation, and diagnosis and the present-day pharmacological management of HCM...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228409/short-term-effects-of-combined-high-intensity-strength-and-sprint-interval-training-on-anthropometric-characteristics-and-physical-performance-of-elite-team-handball-players
#2
Souhail Hermassi, Mohamed Souhail Chelly, Georg Fieseler, Thomas Bartels, Stephan Schulze, Karl-Stefan Delank, Roy J Shepard, René Schwesig
Muscular strength and speed are critical physical factors in determining the technical and tactical skills of elite team handball players. This study thus investigated the effect of high-intensity muscular strength and sprint interval training (SIT) on lower limb explosive performance and anthropometric characteristics in 22 male handball athletes aged 20.2 ± 0.1 years. A training group (TG, n = 12) and a control group (CG, n = 10) were followed over 8 weeks parallel to regular handball training...
December 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/29228408/-biomechanical-evaluation-of-rehabilitation-after-surgical-repair-of-achilles-tendon-ruptures
#3
Marlene Mauch, Markus Ulrich, Xaver Kaelin, Bernhard Segesser, Jochen Paul
Background Muscles and tendons are subjected to a high level of stress in everyday life and sports. This often leads to injuries and is associated with training failure and reduced performance as well as with high costs for treatment and rehabilitation. Fast and successful treatment is therefore very important, both from an athletic and economic point of view. This study aims to demonstrate the relevance of biomechanical procedures for the objective monitoring of rehabilitation. At the same time, the results are to be used to establish progress and evaluation criteria for an efficient and controlled rehabilitation...
December 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/29228018/genome-wide-association-study-identifies-a-locus-associated-with-rotator-cuff-injury
#4
Thomas R Roos, Andrew K Roos, Andrew L Avins, Marwa A Ahmed, John P Kleimeyer, Michael Fredericson, John P A Ioannidis, Jason L Dragoo, Stuart K Kim
Rotator cuff tears are common, especially in the fifth and sixth decades of life, but can also occur in the competitive athlete. Genetic differences may contribute to overall injury risk. Identifying genetic loci associated with rotator cuff injury could shed light on the etiology of this injury. We performed a genome-wide association screen using publically available data from the Research Program in Genes, Environment and Health including 8,357 cases of rotator cuff injury and 94,622 controls. We found rs71404070 to show a genome-wide significant association with rotator cuff injury with p = 2...
2017: PloS One
https://www.readbyqxmd.com/read/29227735/effect-of-8-weeks-of-concurrent-plyometric-and-running-training-on-spatiotemporal-and-physiological-variables-of-novice-runners
#5
Josué Gómez-Molina, Ana Ogueta-Alday, Jesus Camara, Christopher Stickley, Juan García-López
Concurrent plyometric and running training has the potential to improve running economy (RE) and performance through increasing muscle strength and power, but the possible effect on spatiotemporal parameters of running has not been studied yet. The aim of this study was to compare the effect of 8 weeks of concurrent plyometric and running training on spatiotemporal parameters and physiological variables of novice runners. Twenty-five male participants were randomly assigned into two training groups; running group (RG) (n = 11) and running + plyometric group (RPG) (n = 14)...
December 11, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/29227731/injuries-in-japanese-junior-soccer-players-during-games-and-practices
#6
Kenji Kuzuhara, Masashi Shibata, Ryo Uchida
CONTEXT:   Soccer is the most popular junior sport in the world. In junior sports, injury analysis and injury-prevention measures for players, especially those under 12 years of age, are urgently needed. OBJECTIVE:   To prospectively study the incidence, sites, types, and mechanisms of injuries in elementary school-aged junior soccer players during games and practices. DESIGN:   Descriptive epidemiology study. SETTING:   Elementary school-aged junior soccer teams in Nagoya, Japan...
December 11, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29227730/physical-and-performance-characteristics-related-to-unintentional-musculoskeletal-injury-in-special-forces-operators-a-prospective-analysis
#7
Nicholas R Heebner, John P Abt, Mita Lovalekar, Kim Beals, Timothy C Sell, Jeffery Morgan, Shawn Kane, Scott Lephart
CONTEXT:   Seventy-seven percent of musculoskeletal injuries sustained by United States Army Special Forces Operators are preventable. Identification of predictive characteristics will promote the development of screening methods to augment injury-prevention programs. OBJECTIVE:   To determine physical and performance characteristics that predict musculoskeletal injuries. SETTING:   Clinical laboratory. PATIENTS OR OTHER PARTICIPANTS:   A total of 95 Operators (age = 32...
December 11, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29227374/collateral-ligament-knee-injuries-in-pediatric-and-adolescent-athletes
#8
Dennis E Kramer, Patricia E Miller, Iman K Berrahou, Yi-Meng Yen, Benton E Heyworth
BACKGROUND: The majority of research on medial (MCL) and lateral (LCL) collateral ligament injuries has focused on adults and combined collateral/cruciate injuries. The purpose of this study was to determine characteristics associated with isolated collateral ligament injuries in adolescents, and assess timing for return to sports. METHODS: Electronic medical records were queried to identify patients aged below 17 years who sustained a magnetic resonance imaging-confirmed isolated MCL or LCL injury over an 8-year period...
December 8, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29226892/evaluation-of-increase-in-intraventricular-gradient-and-dynamic-obstruction-during-exercise-stress-test-in-competitive-runners
#9
Kadir Uğur Mert, Ferhat Radi, Ayda Sadati, Gurbet Özge Mert, Muhammet Dural
OBJECTIVE: Sudden cardiac death in athletes is one of the most tragic health events seen both in our country and all over the world. In some of those athletes, there is no obvious structural abnormality. Dynamic changes in intracardiac hemodynamics during exercise may be a cause for sudden death in these athletes, the impact of exercise on intracardiac gradient and cardiac hemodynamic parameters in athletes was compared with healthy controls. METHODS: A total of 21 professional male athletes and 21 healthy male controls were included in the study...
December 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/29226551/premenstrual-symptoms-interference-and-equol-production-status-in-japanese-collegiate-athletes-a-cross-sectional-study
#10
Takashi Takeda, Tomomi Ueno, Shigeto Uchiyama, Masami Shiina
AIM: Consumption of soy isoflavones reduces the risk of estrogen-related diseases, such as menopausal symptoms, osteoporosis, and cardiovascular disease. Equol is metabolized from the isoflavone daidzein by intestinal bacteria and has higher bioavailability than other isoflavones. Equol producers are believed to benefit from soybean consumption to a greater extent than non-producers. Recently, we showed that equol non-producers were at significant risk of premenstrual syndrome (PMS). Previously, we reported that PMS is a common menstrual problem in female athletes, and almost half of the studied athletes felt a negative effect of premenstrual symptoms on their athletic performance...
December 11, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29226423/patellar-tendinopathy-with-intra-tendinous-alteration-on-mri-may-be-related-to-patellofemoral-dysplasia
#11
Philippe M Tscholl, Roland M Biedert, Florian Wanivenhaus, Sandro F Fucentese
Patellar tendinopathy (PT) is a frequent overuse-injury of the extensor knee apparatus whereas as up to 30% of the athletes might suffer from persisting symptoms during their entire career. In the present case-control study, 47 patients (30.8±11.4 years) with PT with intra-tendinous alteration (PTita) of a minimum of ≥ 25% of the axial surface on MRI and minimum Blazina score of II (pain during without limiting sports activity) were included; MR images were analysed for trochlear geometry, patellar height/tilt, and tibial tubercle trochlear groove distance (TT-TG)...
December 11, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29226382/substantial-injuries-influence-ranking-position-in-young-elite-athletes-of-athletics-cross-country-skiing-orienteering
#12
Philip von Rosen, Annette Heijne
The relationship between injury and performance in young athletes is scarcely studied. The aim of this study was therefore to explore the association between injury prevalence and ranking position among adolescent elite athletes. 162 male and female adolescent elite athletes (age range 15-19), competing in athletics (n=59), cross-country skiing (n=66) and orienteering (n=37), were monitored weekly over 22-47 weeks using a web-based injury questionnaire. Ranking lists were collected. A significant (p=.003) difference was found in the seasonal substantial injury prevalence across the ranked athletes over the season, where the top-ranked (median 3...
December 11, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29226164/short-term-outcomes-following-concussion-in-the-nfl-a-study-of-player-longevity-performance-and-financial-loss
#13
Sergio M Navarro, Olumide F Sokunbi, Heather S Haeberle, Mark S Schickendantz, Michael A Mont, Richard A Figler, Prem N Ramkumar
Background: A short-term protocol for evaluation of National Football League (NFL) athletes incurring concussion has yet to be fully defined and framed in the context of the short-term potential team and career longevity, financial risk, and performance. Purpose: To compare the short-term career outcomes for NFL players with concussions by analyzing the effect of concussions on (1) franchise release rate, (2) career length, (3) salary, and (4) performance. Study Design: Cohort study; Level of evidence, 3...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29224470/poor-sleep-is-related-to-lower-general-health-increased-stress-and-increased-confusion-in-elite-gaelic-athletes
#14
Michelle Biggins, Roisin Cahalan, Thomas Comyns, Helen Purtill, Kieran O'Sullivan
OBJECTIVES: Persistent poor sleep is associated with a range of adverse health outcomes. Sleep is considered the main method of recovery in athletes; however, studies report that a significant number of athletes are getting insufficient sleep. The purpose of this study was to assess the sleep profiles of elite Gaelic athletes and to compare wellbeing in those with poor sleep and those with good sleep. METHODS: 69 elite Gaelic athletes completed questionnaires, including the Pittsburgh Sleep Quality Index (PSQI), Subjective Health Complaints Inventory (SHC), Nordic Musculoskeletal Questionnaire (NMQ), stress subscale of the Depression Anxiety Stress Scale (DASS), the tension-anxiety, anger-hostility and confusion-bewilderment subscales of the Profile of Mood States (POMS) as well as the catastrophising subscale of the Coping Strategies Questionnaire (CSQ)...
December 11, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29223876/joint-moments-required-to-hold-a-posture-while-somersaulting
#15
Joanne Mikl
A pure somersault is a key skill in diving and gymnastics, and involves rotation about the transverse axis of the body. As the rotational speed increases the effort required to maintain a specified posture increases. This paper derives equations for the joint moments required for an athlete to hold three sport specific postures as a function of rotational speed. The joint moment is related to the isometric muscular strength and is the limiting factor of an athlete in their ability to hold a fixed posture while somersaulting...
December 7, 2017: Human Movement Science
https://www.readbyqxmd.com/read/29222948/force-coordination-strategies-in-on-water-single-sculling-are-asymmetries-related-to-better-rowing-performance
#16
John Warmenhoven, Richard Smith, Conny Draper, Andrew Harrison, Norma Bargary, Stephen Cobley
Asymmetries of the rowing stroke cycle have been assessed with reference to kinematics and foot-force measures in laboratory testing environments. It remains unclear how asymmetries in propulsive kinetic measures are related to on-water rowing performance. A new approach for the evaluation of both global and local asymmetries across the entire movement was used to assess the continuous role of asymmetries and whether these change according to level of competitive representation. Twenty seven highly skilled female rowers (national and international competition level), rowing at 32 strokes per minute in a single scull boat were evaluated...
December 9, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29222898/exercise-induced-dehydration-status-and-skinfold-compressibility-in-athletes-an-intervention-study
#17
Daniela Araújo, Vitor Hugo Teixeira, Pedro Carvalho, Teresa F Amaral
BACKGROUND AND OBJECTIVES: Skinfold thickness assessment is a widely recognized technique for the estimation of body adiposity and fat free mass. This method assumes that skinfolds' compressibility is constant but there are some factors that could influence its compressibility. This study aims to evaluate whether the skinfolds' compressibility is influenced by hydration status. METHODS AND STUDY DESIGN: An intervention study was conducted in a sample of 22 adult male amateur soccer players, who took part in a 90min simulated soccer match...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29222606/hypothalamic-pituitary-adrenal-hpa-axis-functioning-in-overtraining-syndrome-findings-from-endocrine-and-metabolic-responses-on-overtraining-syndrome-eros-eros-hpa-axis
#18
Flavio A Cadegiani, Claudio E Kater
BACKGROUND: Overtraining syndrome (OTS) results from excessive training load without adequate recovery and leads to decreased performance and fatigue. The pathophysiology of OTS in athletes is not fully understood, which makes accurate diagnosis difficult. Previous studies indicate that alterations in the hypothalamus-pituitary-adrenal (HPA) axis may be responsible for OTS; however, the data is not conclusive. This study aimed to compare, through gold standard and exercise-independent tests, the response of the HPA axis in OTS-affected athletes (OTS group) to healthy physically active subjects (ATL group) and healthy non-active subjects (NCS group)...
December 8, 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/29222477/a-novel-eeg-based-spectral-analysis-of-persistent-brain-function-alteration-in-athletes-with-concussion-history
#19
Tamanna T K Munia, Ali Haider, Charles Schneider, Mark Romanick, Reza Fazel-Rezai
The neurocognitive sequelae of a sport-related concussion and its management are poorly defined. Detecting deficits are vital in making a decision about the treatment plan as it can persist one year or more following a brain injury. The reliability of traditional cognitive assessment tools is debatable, and thus attention has turned to assessments based on electroencephalogram (EEG) to evaluate subtle post-concussive alterations. In this study, we calculated neurocognitive deficits combining EEG analysis with three standard post-concussive assessment tools...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29221575/clinical-outcomes-of-suprascapular-nerve-decompression-a-systematic-review
#20
REVIEW
Amit M Momaya, Adam Kwapisz, W Stephen Choate, Michael J Kissenberth, Stefan J Tolan, Keith T Lonergan, Richard J Hawkins, John M Tokish
BACKGROUND: Suprascapular neuropathy is an uncommon clinical diagnosis. Although there have been a number of case series reporting on this pathologic process, to date there has been no systematic review of these studies. This study aimed to synthesize the literature on suprascapular neuropathy with regard to clinical outcomes. The secondary objective was to detail the diagnosis and treatment of suprascapular neuropathy and any associated complications. METHODS: A systematic review was performed to identify studies that reported the results or clinical outcomes of suprascapular nerve decompression...
January 2018: Journal of Shoulder and Elbow Surgery
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