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https://www.readbyqxmd.com/read/28096319/rotator-cuff-impingement-associated-with-type-iii-acromial-morphology-in-a-young-athlete-a-case-for-early-imaging
#1
James Inklebarger, Giles Gyer, Anand Parkunan, Nikiforos Galanis, Jimmy Michael
Down-sloped or hooked acromion morphologies may cause bony encroachment on the soft tissues of the subacromial space, predisposing to shoulder impingement syndrome. Of the latter, a hooked or Type III acromion (T3A) has also been linked to rotator cuff (RC) pathology. However, as bony acromial impingement is typically thought to occur over the age of 40, its occurrence in younger shoulder athletes presenting with shoulder pain, impingement and RC pathology may be overlooked. This case serves to illustrate the occurrence of T3A in a younger shoulder athlete, and the importance of early imaging in achieving diagnostic accuracy...
January 16, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28095091/factors-informing-fear-of-reinjury-after-anterior-cruciate-ligament-reconstruction
#2
Cheryl A Ross, Amanda Clifford, Quinette A Louw
OBJECTIVE: Fear of reinjury is associated with cessation of sport after anterior cruciate ligament (ACL) reconstruction despite normal postoperative knee function. The objective of this study is to describe factors informing athletes' experience of fear of reinjury post ACL reconstruction, in athletes who cited fear as the sole reason for not returning to their pre-injury level of sport. DESIGN: Mixed-methods study design of qualitative and a preliminary quantitative component...
January 17, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28095067/pacing-strategies-and-metabolic-responses-during-4-minute-running-time-trials
#3
Jonathan Watkins, Simon Platt, Erik Andersson, Kerry McGawley
PURPOSE: The aim of the current study was to investigate pacing strategies and the distribution of physiological resources in best versus worst performances during a series of 4-minute, self-paced running time-trials (RunTTs). METHODS: Five male and five female recreational runners (age 32 ± 7 years) completed a sub-maximal ramp test and five RunTTs on a motor-driven treadmill fitted with a speed-controlling laser system. The supramaximal V̇O2 demand was estimated by linear extrapolation from the sub-maximal relationship between V̇O2 and speed, enabling computation of the accumulated oxygen deficit (AOD)...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28092299/the-complex-phenotype-of-the-athletes-heart-implications-for-pre-participation-screening
#4
Benjamin Brown, Daniel J Green, Matthew Wilson, Jonathan Drezner, Keith George, David Oxborough
Pre-participation screening is vital to exclude inherited cardiac conditions which have the potential to cause sudden cardiac death in seemingly healthy athletes. Recent research has questioned traditional theories of load-induced, dichotomous cardiac adaptation. We therefore considered whether a "one-size-fits-all" approach to screening can account for inter-individual differences brought about by sporting discipline, training volume, ethnicity, body size, sex and age.
January 13, 2017: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/28090141/do-maximal-aerobic-power-and-blood-lactate-concentration-affect-specific-judo-fitness-test-performance-in-female-judo-athletes
#5
H Garbouj, M A Selmi, R Haj Sassi, M Haj Yahmed, K Chamari, A Chaouachi
The Special Judo Fitness Test (SJFT) has become the test most widely used by coaches and physical trainers for assessment of competitors' judo-specific physical aptitude and training programme prescription. The aim of this study was to investigate the relationship between the SJFT performance indices and both maximal aerobic power and the level of blood lactate concentrations in female judo athletes. Seventeen female judokas (age: 21.9±1.6 years, body mass: 74.6±27.4 kg, height: 164.5±8.6 cm; BMI: 27.1±8...
December 2016: Biology of Sport
https://www.readbyqxmd.com/read/28090138/agility-training-in-young-elite-soccer-players-promising-results-compared-to-change-of-direction-drills
#6
A Chaalali, M Rouissi, M Chtara, A Owen, N L Bragazzi, W Moalla, A Chaouachi, M Amri, K Chamari
The aim of this study was to compare the effect of two different training programmes - change of direction (COD) vs. agility (AG) - on straight sprint (SS), COD and AG test performances in young elite soccer players. Thirty-two soccer players (age: 14.5±0.9 years; height: 171.2±5.1 cm; body mass: 56.4±7.1 kg, body fat: 10.3±2.3%) participated in a short-term (6 weeks) training study. Players were randomly assigned to two experimental groups - training with change of direction drills (COD-G, n=11) or using agility training (AG-G, n= 11) - and to a control group (CON-G, n=10)...
December 2016: Biology of Sport
https://www.readbyqxmd.com/read/28090137/echocardiographic-assessment-of-right-ventricle-adaptation-to-endurance-training-in-young-rowers-speckle-tracking-echocardiography
#7
M Konopka, W Krol, K Burkhard-Jagodzinska, A Jakubiak, A Klusiewicz, J Chwalbinska, A Pokrywka, D Sitkowski, M Dluzniewski, W Braksator
The aim of this study was to determine the relationship between the degree of cardiorespiratory fitness and the function of the right ventricle (RV). 117 rowers, age 17.5±1.5 years. All subjects underwent cardiopulmonary exercise. Standard echocardiography and 2D speckle tracking echocardiography with evaluation of longitudinal strain in each segment of the RV (basal - RVLS-B; mid - RVLS-M, apical - RVLS-A) and global RV free-wall strain (RVLS-G) were performed. RVLS-B values were lower compared to the RVLS-M (-25...
December 2016: Biology of Sport
https://www.readbyqxmd.com/read/28087215/surgical-outcome-of-posterior-ankle-impingement-syndrome-with-concomitant-ankle-disorders-treated-simultaneously-in-patient-engaged-in-athletic-activity
#8
Wataru Miyamoto, Shinya Miki, Hirotaka Kawano, Masato Takao
BACKGROUND: It is unclear whether simultaneous surgery for posterior ankle impingement syndrome (PAIS) and concomitant ankle disorders, such as anterior ankle impingement syndrome (AAIS), lateral ankle instability (LAI), and osteochondral lesion of the talus (OLT), allows for early return to athletic activity. METHODS: Ninety-seven patients who engaged in athletic activity (mean age 27 [range 18-43] years) and were treated by a hindfoot endoscopic approach for PAIS alone or simultaneously for PAIS and concomitant ankle disorders were included in this study...
January 10, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28087165/radiographic-comparison-of-adolescent-athletes-with-elbow-osteochondritis-dissecans-to-ulnar-collateral-ligament-injuries-and-controls
#9
Brian C Lau, Nirav K Pandya
BACKGROUND: There are excellent data supporting recommendations to prevent elbow injuries (osteochondritis dissecans [OCD] and ulnar collateral ligament [UCL] injuries), such as pitch count and pitch type in baseball, but anatomic risk factors have not been thoroughly examined. This study aimed to evaluate radiographic measurements in adolescents with elbow OCD lesions or UCL injuries and controls. METHODS: We retrospectively identified adolescent patients between 2011 and 2016 with isolated capitellum OCD, UCL tear, or normal elbows based on magnetic resonance imaging...
January 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28079707/effect-of-number-of-sprints-in-a-sit-session-on-change-in-vo2max-a-meta-analysis
#10
Niels Bj Vollaard, Richard S Metcalfe, Sean Williams
PURPOSE: Recent meta-analyses indicate that sprint interval training (SIT) improves cardiorespiratory fitness (V[Combining Dot Above]O2max), but the effects of various training parameters on the magnitude of the improvement remain unknown. The present meta-analysis examined the modifying effect of the number of sprint repetitions in a SIT session on improvements in V[Combining Dot Above]O2max. METHODS: The databases PubMed and Web of Science were searched for original studies that have examined pre- and post-training V[Combining Dot Above]O2max in adults following ≥2 weeks of training consisting of repeated (≥2) Wingate-type cycle sprints, published up to 1 May 2016...
January 10, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28077934/serum-reference-value-of-two-potential-doping-candidates-myostatin-and-insulin-like-growth-factor-i-in-the-healthy-young-male
#11
Der-Sheng Han, Chi-Huang Huang, Ssu-Yuan Chen, Wei-Shiung Yang
BACKGROUND: Myostatin negatively regulates muscle growth, and its inhibition by suitable proteins can increase muscle bulk and exercise performance. However, the reference values of serum myostatin in athletes performing strength training are still lacking. METHODS: A cross-sectional study recruiting28 male collegiate athletes performing strength training and 29 age-matched normal controls was conducted. The serum concentration of myostatin and insulin-like growth factor 1 (IGF-1), grip strength, and body composition were the main outcome measures...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28075653/serum-creatine-kinase-elevations-in-ultramarathon-runners-at-high-altitude
#12
Danielle Magrini, Morteza Khodaee, Inigo San Millan, Tamara Hew-Butler, Aaron J Provance
OBJECTIVES: Creatine kinase (CK) is a sensitive enzyme marker for muscle damage in athletes. Elevated CK levels have been reported in many endurance physical activities. The consequence and possible long-term sequela of the CK elevation in athletes is unknown. There is a paucity of literature stating actual numerical values of CK associated with competing in an ultramarathon with extreme environmental conditions. Our hypothesis was that the serum CK levels increase significantly as a result of running a 161km ultramarathon at high altitude...
January 11, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28072633/visual-motion-processing-subserves-faster-visuomotor-reaction-in-badminton-players
#13
Thorben Hülsdünker, Heiko K Strüder, Andreas Mierau
INTRODUCTION: Athletes participating in ball or racquet sports have to respond to visual stimuli under critical time pressure. Previous studies used visual contrast stimuli to determine visual perception and visuomotor reaction in athletes and non-athletes however, especially ball and racquet sports are characterized by motion rather than contrast visual cues. Since visual contrast and motion signals are processed in different cortical regions, this study aimed to determine differences in perception and processing of visual motion between athletes and non-athletes...
January 9, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28065994/injuries-in-elite-taekwondo-poomsae-athletes
#14
Mohsen Kazemi, Anas Ingar, Ali Jaffery
Poomsae is the only non-contact and no opponent form of Taekwondo. The purpose of this descriptive study was to determine the type and rate of injuries in elite Canadian Poomsae athletes. Strain and joint dysfunction were the most common types of injuries in Poomsae. Lower limb and back were the most common area of injury in females and males respectively. Females with a lower rank in experience level (DAN≤ 3) were more likely to suffer from chronic overuse injuries compared to their male counterparts, who reported more acute injuries...
December 2016: Journal of the Canadian Chiropractic Association
https://www.readbyqxmd.com/read/28065584/mechanical-dispersion-by-strain-echocardiography-a-novel-tool-to-diagnose-hypertrophic-cardiomyopathy-in-athletes
#15
Frédéric Schnell, David Matelot, Magalie Daudin, Gaelle Kervio, Philippe Mabo, François Carré, Erwan Donal
BACKGROUND: Previous studies have demonstrated that global longitudinal strain (GLS) is altered in patients with hypertrophic cardiomyopathy (HCM) in comparison with athletes. Nevertheless, these results rely on studies comparing sedentary patients with HCM with healthy athletes. The aims of this study were to confirm these findings in an appropriate group of athletes with HCM and to study the additive value of novel parameters (i.e., mechanical dispersion and exercise GLS). METHODS: Thirty-six athletes with HCM were prospectively included and were compared with 36 sedentary patients with HCM, 36 healthy athletes, and 36 sedentary control subjects of similar age...
January 5, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28063895/improvement-of-table-tennis-dystonia-by-stereotactic-ventro-oral-thalamotomy-a-case-report
#16
Takashi Asahi, Takaomi Taira, Kiyonobu Ikeda, Jiro Yamamoto, Shuji Sato
BACKGROUND: Task-specific focal dystonia, such as writer's cramp and musician's cramp, is a type of dystonia that affects performance of particular tasks. Such movement disorders have been treated with stereotactic ventro-oral (Vo) thalamotomy, with excellent outcomes. However, there has been no previous report of treatment of sport-related/athlete's dystonia by means of stereotactic surgery. We treated a patient with table tennis-related dystonia with Vo thalamotomy, and evaluated the outcome...
January 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28061004/objective-physical-and-mental-markers-of-self-reported-fatigue-in-women-undergoing-neo-adjuvant-chemotherapy-for-early-stage-breast-cancer
#17
Joanne E Mortimer, Sarah Waliany, Christina M Dieli-Conwright, Sunita K Patel, Arti Hurria, Joseph Chao, Brian Tiep, Carolyn E Behrendt
BACKGROUND: Objective, treatment-independent markers of cancer-related fatigue are needed to advance clinical trials. In the current study, the authors evaluated physical, neurocognitive, and serologic markers for correlation with self-reported fatigue before and after (neo)adjuvant chemotherapy for patients with early-stage breast cancer. METHODS: Women with AJCC TNM Stage I-III breast cancer consented to assessment before and after the completion of 4 cycles of dose-dense doxorubicin and cyclophosphamide...
January 6, 2017: Cancer
https://www.readbyqxmd.com/read/28060567/correlation-of-head-impacts-to-change-in-balance-error-scoring-system-scores-in-division-i-men-s-lacrosse-players
#18
Theresa L Miyashita, Eleni Diakogeorgiou, Kaitlyn Marrie
BACKGROUND: Investigation into the effect of cumulative subconcussive head impacts has yielded various results in the literature, with many supporting a link to neurological deficits. Little research has been conducted on men's lacrosse and associated balance deficits from head impacts. HYPOTHESES: (1) Athletes will commit more errors on the postseason Balance Error Scoring System (BESS) test. (2) There will be a positive correlation to change in BESS scores and head impact exposure data...
January 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28059948/sports-related-concussion-in-children-and-adolescents
#19
Christian A Refakis, Christian D Turner, Patrick J Cahill
Concussions are becoming increasingly important to manage properly as sports participation continues to rise. Repeated injuries occurring before the brain has had a chance to recover from an initial insult are particularly dangerous and must be prevented. Although much national media attention has been devoted to concussions in professional sports, it is important to appreciate that athletes in any age group, children and adolescents in particular, are at risk of sports-related concussion. It is crucial to remove an athlete from play any time concussion is suspected...
January 4, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28057231/anterior-t-wave-inversion-in-young-white%C3%A2-athletes-and-nonathletes-prevalence-and-significance
#20
Aneil Malhotra, Harshil Dhutia, Sabiha Gati, Tee-Joo Yeo, Helder Dores, Rachel Bastiaenen, Rajay Narain, Ahmed Merghani, Gherardo Finocchiaro, Nabeel Sheikh, Alexandros Steriotis, Abbas Zaidi, Lynne Millar, Elijah Behr, Maite Tome, Michael Papadakis, Sanjay Sharma
BACKGROUND: Anterior T-wave inversion (ATWI) on electrocardiography (ECG) in young white adults raises the possibility of cardiomyopathy, specifically arrhythmogenic right ventricular cardiomyopathy (ARVC). Whereas the 2010 European consensus recommendations for ECG interpretation in young athletes state that ATWI beyond lead V1 warrants further investigation, the prevalence and significance of ATWI have never been reported in a large population of asymptomatic whites. OBJECTIVES: This study investigated the prevalence and significance of ATWI in a large cohort of young, white adults including athletes...
January 3, 2017: Journal of the American College of Cardiology
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