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https://www.readbyqxmd.com/read/28728471/implementing-technical-refinement-in-high-level-athletics-exploring-the-knowledge-schemas-of-coaches
#1
Philip E Kearney, Howie J Carson, Dave Collins
This paper explores the approaches adopted by high-level field athletics coaches when attempting to refine an athlete's already well-established technique (long and triple jump and javelin throwing). Six coaches, who had all coached multiple athletes to multiple major championships, took part in semi-structured interviews focused upon a recent example of technique refinement. Data were analysed using a thematic content analysis. The coaching tools reported were generally consistent with those advised by the existing literature, focusing on attaining "buy-in", utilising part-practice, restoring movement automaticity and securing performance under pressure...
July 21, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28671853/physiological-and-anthropometric-characteristics-of-top-level-youth-cross-country-cyclists
#2
Alessandro Fornasiero, Aldo Savoldelli, Roberto Modena, Gennaro Boccia, Barbara Pellegrini, Federico Schena
In the literature there is a lack of data about the development of top level athletes in cross-country mountain biking (XCO). The purpose of this study was to analyze anthropometric and physiological characteristics of some of the best XCO bikers aged between 13 and 16. The study involved 45 bikers (26 males and 19 females) belonging to a youth national team. The evaluations, consisting of anthropometric measures, incremental cycling tests (VO2max, PPO, P@RCP), and 30 s Wingate Tests (PMax, PMean), were conducted over a lapse of 4 years...
July 3, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28639438/body-composition-analysis-to-study-long-term-training-effects-in-elite-male-water-polo-athletes
#3
Giovanni Melchiorri, Valerio Viero, Roberto Sorge, Tamara Triossi, Alessandro Campagna, Stella L Volpe, Dalgisio Lecis, Virginia Tancredi, Angela Andreoli
BACKGROUND: Elite water polo athletes undergo heavy training programs throughout the year, but especially to prepare major competitions, such as the Olympics. Optimal athletic performance is a result of many factors, including proper management of the intensity and volume of training, nutrition and recovery between training sessions. When training is excessive in relation to recovery may occur non functional overreaching (NFO). NFO can degenerate into overtraining syndrome (OTS) resulting in a decrease in athletic performance, with likely changes in body weight and body composition...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28594506/high-risk-stress-fractures-in-elite-athletes
#4
Michael Isiah Sandlin, Andrew J Rosenbaum, Cyrus E Taghavi, Timothy P Charlton, Martin J O'Malley
Surgeons should understand common factors that predispose high-level athletes to stress injuries as well as the importance of vitamin D and specifics related to vascular supply, location of injury, biomechanics, and susceptibility factors in high-level athletes who have stress injuries. Surgeons should be aware of diagnostic- and management-based recommendations for and the outcomes of anterior tibia, medial malleolus, tarsal navicular, and proximal fifth metatarsal stress fractures in professional athletes...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28538763/myosin-binding-protein-c-compound-heterozygous-variant-effect-on-the-phenotypic-expression-of-hypertrophic-cardiomyopathy
#5
Julianny Freitas Rafael, Fernando Eugênio Dos Santos Cruz, Antônio Carlos Campos de Carvalho, Ilan Gottlieb, José Guilherme Cazelli, Ana Paula Siciliano, Glauber Monteiro Dias
Hypertrophic cardiomyopathy (HCM) is an autosomal dominant genetic disease caused by mutations in genes encoding sarcomere proteins. It is the major cause of sudden cardiac death in young high-level athletes. Studies have demonstrated a poorer prognosis when associated with specific mutations. The association between HCM genotype and phenotype has been the subject of several studies since the discovery of the genetic nature of the disease. This study shows the effect of a MYBPC3 compound variant on the phenotypic HCM expression...
April 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28534159/arthroscopic-treatment-successfully-treats-posterior-elbow-impingement-in-an-athletic-population
#6
Jason L Koh, Brad A Zwahlen, David W Altchek, Todd A Zimmerman
PURPOSE: Posterior elbow impingement can cause disabling pain and limited motion during activities involving elbow extension. Less understood is whether arthroscopic treatment, compared to open surgery, can result in effective management of pain, loss of range of motion, and return athletes to previous levels of activity. This study determined whether arthroscopic debridement is a safe and effective treatment for posterior elbow impingement and whether it enables athletes to return to a previous level of function...
May 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28439639/searching-for-consensus-in-the-approach-to-patients-with-chronic-lateral-ankle-instability-ask-the-expert
#7
Frederick Michels, H Pereira, J Calder, G Matricali, M Glazebrook, S Guillo, J Karlsson, Jorge Acevedo, Jorge Batista, Thomas Bauer, James Calder, Dominic Carreira, Woojin Choi, Nuno Corte-Real, Mark Glazebrook, Ali Ghorbani, Eric Giza, Stéphane Guillo, Kenneth Hunt, Jon Karlsson, S W Kong, Jin Woo Lee, Frederick Michels, Andy Molloy, Peter Mangone, Kentaro Matsui, Caio Nery, Saturo Ozeki, Chris Pearce, Hélder Pereira, Anthony Perera, Bas Pijnenburg, Fernando Raduan, James Stone, Masato Takao, Yves Tourné, Jordi Vega
PURPOSE: The purpose of this study is to propose recommendations for the treatment of patients with chronic lateral ankle instability (CAI) based on expert opinions. METHODS: A questionnaire was sent to 32 orthopaedic surgeons with clinical and scientific experience in the treatment of CAI. The questions were related to preoperative imaging, indications and timing of surgery, technical choices, and the influence of patient-related aspects. RESULTS: Thirty of the 32 invited surgeons (94%) responded...
April 25, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28323705/etiology-of-adult-onset-stress-fracture-in-the-lumbar-spine
#8
Fumitake Tezuka, Koichi Sairyo, Toshinori Sakai, Akira Dezawa
STUDY DESIGN: This study was a case series. OBJECTIVE: The purpose of this paper was to present a case series of fresh stress fractures (spondylolysis) in the lumbar spines of adult athletes. SUMMARY OF BACKGROUND DATA: Lumbar spondylolysis is a stress fracture of the pars interarticularis, which is generally considered a disease of children or adolescence. There is only 1 case series written in English reporting on adult-onset fresh spondylolysis...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28252476/athletic-hip-injuries
#9
T Sean Lynch, Asheesh Bedi, Christopher M Larson
Historically, athletic hip injuries have garnered little attention; however, these injuries account for approximately 6% of all sports injuries and their prevalence is increasing. At times, the diagnosis and management of hip injuries can be challenging and elusive for the team physician. Hip injuries are seen in high-level athletes who participate in cutting and pivoting sports that require rapid acceleration and deceleration. Described previously as the "sports hip triad," these injuries consist of adductor strains, osteitis pubis, athletic pubalgia, or core muscle injury, often with underlying range-of-motion limitations secondary to femoroacetabular impingement...
April 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28203599/surgical-management-of-rectus-femoris-avulsion-among-professional-soccer-players
#10
Bertrand Sonnery-Cottet, Nuno Camelo Barbosa, Sanesh Tuteja, Roland Gardon, Matt Daggett, Damien Monnot, Charles Kajetanek, Mathieu Thaunat
BACKGROUND: Rectus femoris injuries are common among athletes, especially in kicking sports such as soccer; however, proximal rectus femoris avulsions in athletes are a relatively rare entity. PURPOSE/HYPOTHESIS: The purpose of this study was to describe and report the results of an original technique of surgical excision of the proximal tendon remnant followed by a muscular suture repair. Our hypothesis was that this technique limits the risk of recurrence in high-level athletes and allows for rapid recovery without loss of quadriceps strength...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28188336/injuries-of-the-obturator-muscles-in-professional-soccer-players
#11
Manuel Wong-On, Antonio Turmo-Garuz, Rafael Arriaza, Jose Manuel Gonzalez de Suso, Luis Til-Perez, Xavier Yanguas-Leite, David Diaz-Cueli, Xavier Gasol-Santa
PURPOSE: Obturator externus and internus muscular tears are uncommon injuries. Only a few case reports exist, mainly in high-level athletes. Our aim is to describe a series of obturator externus and internus muscular tears in professional soccer players. METHODS: Injury data from four teams from the First Division of the Spanish Soccer League were collected over a total of four seasons. Any soccer player who sustained an injury to either the obturator externus or internus identified on magnetic resonance (MRI) was included...
February 10, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28185123/phalanx-fractures-and-dislocations-in-athletes
#12
REVIEW
Franklin Chen, David M Kalainov
PURPOSE OF REVIEW: Phalangeal fractures, dislocations, and fracture-dislocations in the hand are common injuries. We review the current literature on the diagnosis and treatment of these injuries in the athlete. An understanding of the anatomy and its relationship to the mechanism of injury may help to direct appropriate management. Return to play remains an important concern to the patient-athlete. RECENT FINDINGS: Findings from recently published articles reinforce previously established treatment methods in the management of finger phalangeal fractures, dislocations, and fracture-dislocations...
March 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28138984/plasma-volume-reduction-and-hematological-fluctuations-in-high-level-athletes-after-an-increased-training-load
#13
J Bejder, A B Andersen, J P Goetze, N J Aachmann-Andersen, N B Nordsborg
The time course of plasma volume (PV) reduction following an increased training load period is unknown and was investigated. The accompanying fluctuations in [Hb] and OFF-hr score were analyzed in the Athlete Biological Passport. Further, whether fluctuations in plasma albumin, soluble transferrin receptors (sTfR), and pro-atrial natriuretic peptide (proANP) concentrations correlate with PV fluctuations was investigated. Eleven high-level competitive cyclists were investigated for 3 weeks. After initial measurements in week 1, training load was increased ~250% in week 2 followed by a reversion to baseline training load in week 3...
January 30, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28087244/practice-makes-perfect-correlations-between-prior-experience-in-high-level-athletics-and-robotic-surgical-performance-do-not-persist-after-task-repetition
#14
Kevin Shee, Fady M Ghali, Elias S Hyams
OBJECTIVE: Robotic surgical skill development is central to training in urology as well as in other surgical disciplines. Here, we describe a pilot study assessing the relationships between robotic surgery simulator performance and 3 categories of activities, namely, videogames, musical instruments, and athletics. DESIGN: A questionnaire was administered to preclinical medical students for general demographic information and prior experiences in surgery, videogames, musical instruments, and athletics...
July 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28049597/amateur-and-recreational-athletes-return-to-sport-at-a-high-rate-following-hip-arthroscopy-for-femoroacetabular-impingement
#15
Alexander E Weber, Benjamin D Kuhns, Greg L Cvetanovich, Jeffrey S Grzybowski, Michael J Salata, Shane J Nho
PURPOSE: To compare the return-to-play rates, patient-reported outcome (PRO) scores, and satisfaction between high-level amateur athletes and recreational athletes and to evaluate for differences in ability to return to sport in these groups based on patient-related and sport-related characteristics. METHODS: Clinical data were retrieved for 66 (26 male/40 female) consecutive athletes undergoing hip arthroscopy for femoroacetabular impingement. Athletes were classified as high-level amateur or recreational...
December 31, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27792055/diagnosis-treatment-and-return-to-play-for-four-common-sports-injuries-of-the-hand-and-wrist
#16
Charles A Goldfarb, Sameer K Puri, Michelle Gerwin Carlson
Hand and wrist injuries in the high-level athlete are challenging because they may be underestimated by the patient, family, and team, and return to play may be longer than desired. The needs of the player and the team must be balanced with the long-term functional ramifications of the injury. Four common soft-tissue sports injuries are flexor digitorum profundus avulsion, flexor pulley rupture, extensor carpi ulnaris dislocation, and thumb metacarpophalangeal joint ulnar collateral ligament injury. For each of these injuries, the assessment, treatment, and considerations for return to play should be individualized on the basis of the patient, the sport, and the timing of the injury...
December 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27726754/imaging-of-sports-related-injuries-of-the-lower-extremity-in-pediatric-patients
#17
M Cody O'Dell, Diego Jaramillo, Laura Bancroft, Laura Varich, Gregory Logsdon, Sabah Servaes
With increasing participation and intensity of training in youth sports in the United States, the incidence of sports-related injuries is increasing, and the types of injuries are shifting. In this article, the authors review sports injuries of the lower extremity, including both acute and overuse injuries, that are common in or specific to the pediatric population. Common traumatic injuries that occur in individuals of all ages (eg, tears of the acetabular labrum and anterior cruciate ligament) are not addressed, although these occur routinely in pediatric sports...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27694582/management-of-sports-injuries-of-the-foot-and-ankle-an-update
#18
REVIEW
C C Hong, C J Pearce, M S Ballal, J D F Calder
Injuries to the foot in athletes are often subtle and can lead to a substantial loss of function if not diagnosed and treated appropriately. For these injuries in general, even after a diagnosis is made, treatment options are controversial and become even more so in high level athletes where limiting the time away from training and competition is a significant consideration. In this review, we cover some of the common and important sporting injuries affecting the foot including updates on their management and outcomes...
October 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27676875/prevalence-of-vitamin-d-deficiency-in-high-level-athletics-athletes
#19
Pascal Edouard, Jean-Michel Serra, Marie Lafleur, Frédéric Depiesse
OBJECTIVE: Vitamin D works on many biological parameters, functions and pathophysiological phenomena, such as bone metabolism but also extra-osseous metabolism (muscular role immunomodulator, cardiac, infectious). In France, the prevalence of vitamin D deficiency is estimated between 36% and 79-81% based on a threshold set at 50nmol/L or 75nmol/L, respectively. Due to these effects, vitamin D seems necessary to the health of athletes. The objective of this study was to determine the vitamin D status of in athletics athletes, and to analyse the possibilities of a screening questionnaire of vitamin D deficiency...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27636554/impact-of-a-submaximal-warm-up-on-endurance-performance-in-highly-trained-and-competitive-male-runners
#20
Michael C Zourdos, Caleb D Bazyler, Edward Jo, Andy V Khamoui, Bong-Sup Park, Sang-Rok Lee, Lynn B Panton, Jeong-Su Kim
PURPOSE: The purpose of this investigation was to examine the effects of a submaximal running warm-up on running performance in male endurance athletes (n = 16, Mage = 21 ± 2 years, MVO2max = 69.3 ± 5.1 mL/kg/min). METHOD: Endurance performance was determined by a 30-min distance trial after control and submaximal running warm-up conditions in a randomized crossover fashion. The warm-up began with 5 min of quiet sitting, followed by 6 min of submaximal running split into 2-min intervals at speeds corresponding to 45%, 55%, and 65% maximal oxygen consumption (VO2max)...
March 2017: Research Quarterly for Exercise and Sport
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