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https://www.readbyqxmd.com/read/29168967/menstrual-irregularity-and-use-of-oral-contraceptives-in-female-adolescent-athletes-in-swedish-national-sports-high-schools
#1
Philip von Rosen, Annette Heijne, Anna Frohm, Cecilia Fridén
Objective Female adolescent athletes seem to use oral contraceptives (OCs) in the same proportion as the general population. In athletes not using OCs, menstrual irregularity (MI) is reported to be common but there are few studies of MI in adolescent athletes. The aim of the study was to survey menarche, menstrual irregularity and use of OCs in adolescent athletes in the National Sports High Schools in Sweden. A further aim was to study the associations between current sport injury and menstrual irregularity as well as use of OCs...
November 23, 2017: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/29167908/a-pilot-single-centre-cross-sectional-study-to-determine-the-knowledge-and-management-of-sports-concussion-by-emergency-physicians-an-experience-from-singapore
#2
Dinesh Sirisena, Joy Walter, Joo Haw Ong, Joanne Probert
INTRODUCTION: Sports concussion remains a challenging condition to manage despite changes to policy and practice since the 2012 Concussion in Sport Group consensus meeting. Emergency physicians (EPs) are often the first line of medical care for athletes in amateur and youth collision sports. This single-centre cross-sectional study aimed to establish the understanding and management of concussion by EPs in Singapore. METHODS: An anonymised 17-item online questionnaire was sent out to EPs using the Google Forms application, requesting information on clinical experience, training, exposure to concussion cases in the emergency department (ED) and assessed knowledge of the condition...
November 13, 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/29167568/elite-long-jumpers-with-below-the-knee-prostheses-approach-the-board-slower-but-take-off-more-effectively-than-non-amputee-athletes
#3
Steffen Willwacher, Johannes Funken, Kai Heinrich, Ralf Müller, Hiroaki Hobara, Alena M Grabowski, Gert-Peter Brüggemann, Wolfgang Potthast
The use of technological aids to improve sport performance ('techno doping') and inclusion of Paralympic athletes in Olympic events are matters of ongoing debate. Recently, a long jumper with a below the knee amputation (BKA) achieved jump distances similar to world-class athletes without amputations, using a carbon fibre running-specific prosthesis (RSP). We show that athletes with BKA utilize a different, more effective take-off technique in the long jump, which provided the best athlete with BKA a performance advantage of at least 0...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29166986/a-retrospective-assessment-of-return-to-function-in-dance-after-physical-therapy-for-common-dance-injuries
#4
Emily Junck, Megan Richardson, Faye Dilgen, Marijeanne Liederbach
An injury that causes a dancer to take time away from training or performance can be career ending, and thus it is important for dancers to have accurate expectations when considering treatment options. Thus far, few studies have reported functional outcomes after injury in dancers, which may be different than for the general athletic population. Therefore, our study sought to determine functional outcomes in dancers after operative and non-operative treatment for common dance injuries. Our outcome measures included a subjective assessment of the degree to which a dancer had returned to his or her previous level of dance, the SF-12 survey, and the WHO functional outcome scale modified for dance...
December 15, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/29166934/arthroscopic-patellar-release-for-treatment-of-chronic-symptomatic-patellar-tendinopathy-long-term-outcome-and-influential-factors-in-an-athletic-population
#5
Gernot Lang, Jan M Pestka, Dirk Maier, Kaywan Izadpanah, Norbert Südkamp, Peter Ogon
BACKGROUND: Arthroscopic patellar release (APR) is utilized for minimally invasive surgical treatment of patellar tendinopathy. Evidence regarding long-term success following the procedure is limited. Also, the influence of age and preoperative performance level, are incompletely understood. The aim of this study was to investigate whether APR translates into sustained pain relief over a long-term follow-up in athletes undergoing APR. Furthermore, we analyzed if age influences clinical and functional outcome measures in APR...
November 22, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29166930/a-prospective-cohort-study-identifying-risk-factors-for-shoulder-injuries-in-adolescent-elite-handball-players-the-karolinska-handball-study-khast-study-protocol
#6
Martin Asker, Markus Waldén, Henrik Källberg, Lena W Holm, Eva Skillgate
BACKGROUND: Handball is a physical contact sport that includes frequent overhead throwing, and this combination leads to a high rate of shoulder injuries. Several factors have been associated with shoulder injuries in overhead athletes, but strong scientific evidence is lacking for most suggested risk factors. We therefore designed the Karolinska Handball Study (KHAST) with the aim to identify risk factors for shoulder injuries in adolescent male and female elite handball players studying at handball-profiled secondary schools in Sweden...
November 22, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29166832/conditioning-exercises-in-ski-jumping-biomechanical-relationship-of-squat-jumps-imitation-jumps-and-hill-jumps
#7
Silvio Lorenzetti, Fabian Ammann, Sabrina Windmüller, Ramona Häberle, Sören Müller, Micah Gross, Michael Plüss, Stefan Plüss, Berni Schödler, Klaus Hübner
As hill jumps are very time-consuming, ski jumping athletes often perform various imitation jumps during training. The performed jumps should be similar to hill jumps, but a direct comparison of the kinetic and kinematic parameters has not been performed yet. Therefore, this study aimed to correlate 11 common parameters during hill jumps (Oberstdorf Germany), squat jumps (wearing indoor shoes), and various imitation jumps (rolling 4°, rolling flat, static; jumping equipment or indoor shoes) on a custom-built instrumented vehicle with a catch by the coach...
November 22, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29165733/impact-of-type-of-sport-gender-and-age-on-red-blood-cell-deformability-of-elite-athletes
#8
Fabian Tomschi, Wilhelm Bloch, Marijke Grau
Our objective was to detect possible differences in red blood cell (RBC) deformability of elite athletes performing different types of sports and being of different age and gender.182 athletes were included in this cross-sectional study. RBC deformability was measured using the laser-assisted optical rotational cell-analyzer. Maximal elongation index (EI max) and shear stress at half-maximum deformation (SS 1/2) were calculated. The ratio SS 1/2 /EI max (EI Ratio) was calculated with low values representing high RBC deformation...
November 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29165732/effect-of-melatonin-supplementation-on-antioxidant-status-and-dna-damage-in-high-intensity-trained-athletes
#9
Manuel Ortiz-Franco, Elena Planells, Bartholomé Quintero, Dario Acuña-Castroviejo, Iryna Rusanova, Germaine Escames, Jorge Molina-López
The aim of the study was to evaluate the effect of melatonin supplementation on antioxidant capacity and DNA damage in high intensity interval training (HIIT) athletes. A 2-week randomised, double-blinded, placebo-controlled trial with two groups was conducted. Placebo (PG) and melatonin (MG) (20 mg/d) athletes were monitored over a two-week period of HIIT and strength training. The total antioxidant capacity (TAC) and the glutathione peroxidase (GPx) and superoxide dismutase (SOD) activities were analysed in blood samples...
November 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29164533/lower-serum-zinc-concentration-despite-higher-dietary-zinc-intake-in-athletes-a-systematic-review-and-meta-analysis
#10
REVIEW
Anna Chu, Cushla Holdaway, Trishala Varma, Peter Petocz, Samir Samman
BACKGROUND: Zinc is an essential trace element that has been implicated in numerous biological functions, including immunity, energy metabolism and antioxidative processes. Recent evaluations of the literature have provided evidence of significant acute changes in zinc metabolism following a bout of aerobic exercise. OBJECTIVE: The aim of this study was to determine the zinc status of trained athletes compared with control populations, as described in cross-sectional studies...
November 21, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29164167/single-leg-hop-test-performance-and-isokinetic-knee-strength-after-anterior-cruciate-ligament-reconstruction-in-athletes
#11
Ted Sueyoshi, Akihiro Nakahata, Gen Emoto, Tomoki Yuasa
Background: Isokinetic strength and hop tests are commonly used to assess athletes' readiness to return to sport after knee surgery. Purpose/Hypothesis: The purpose of this study was to investigate the results of single-leg hop and isokinetic knee strength testing in athletes who underwent anterior cruciate ligament reconstruction (ACLR) upon returning to sport participation as well as to study the correlation between these 2 test batteries. The secondary purpose was to compare the test results by graft type (patellar tendon or hamstring)...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29164165/platelet-rich-plasma-for-primary-treatment-of-partial-ulnar-collateral-ligament-tears-mri-correlation-with-results
#12
J Banks Deal, Ed Smith, Wendell Heard, Michael J O'Brien, Felix H Savoie
Background: Jobe revolutionized the treatment of medial ulnar collateral ligament (MUCL) tears with his reconstruction technique. However, not all MUCL injuries require operative management; Rettig showed that 42% of MUCL injuries respond to conservative management. This was improved by Podesta, who showed that augmentation of nonoperative management with platelet-rich plasma (PRP) and magnetic resonance imaging (MRI) for detecting partial MUCL tears resulted in significantly higher success rates...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29164163/neurocognitive-deficits-of-concussed-adolescent-athletes-at-self-reported-symptom-resolution-in-the-zurich-guidelines-era
#13
Peter K Kriz, Rebekah Mannix, Alex M Taylor, Danielle Ruggieri, William P Meehan
Background: Previous studies have evaluated high school and collegiate athletes in the pre-Zurich guidelines era; whether adolescent athletes demonstrate similar neurocognitive decrements in the current concussion management era remains unclear. Purpose: To assess for the presence of neurocognitive deficits in adolescents with a sport-related concussion at the time of self-reported symptom resolution. Study Design: Cross-sectional study; Level of evidence, 3...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29164161/determining-the-most-important-factors-involved-in-ranking-orthopaedic-sports-medicine-fellowship-applicants
#14
Rishi Baweja, Matthew J Kraeutler, Mary K Mulcahey, Eric C McCarty
Background: Orthopaedic surgery residencies and certain fellowships are becoming increasingly competitive. Several studies have identified important factors to be taken into account when selecting medical students for residency interviews. Similar information for selecting orthopaedic sports medicine fellows does not exist. Purpose: To determine the most important factors that orthopaedic sports medicine fellowship program directors (PDs) take into account when ranking applicants...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29164130/comparison-of-an-innovative-rehabilitation-combining-reduced-conventional-rehabilitation-with-balneotherapy-and-a-conventional-rehabilitation-after-anterior-cruciate-ligament-reconstruction-in-athletes
#15
Laetitia Peultier-Celli, Didier Mainard, Frank Wein, Nicolas Paris, Patrick Boisseau, Alexandre Ferry, René Gueguen, Isabelle Chary-Valckenaere, Jean Paysant, Philippe Perrin
Background: Instability of the knee, related to anterior cruciate ligament injury, is treated by surgical reconstruction. During recovery, a loss of proprioceptive input can have a significant impact. Few studies have evaluated the benefits of rehabilitation of the knee in aquatic environment on functional outcomes. Objective: This study aimed to compare an innovative rehabilitation protocol combining reduced conventional rehabilitation with aquatic rehabilitation, with a conventional rehabilitation, according to the National French Health Authority, in terms of kinetics, development of proprioceptive skills, and functional improvement of the knee...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/29163995/delayed-tibial-osteomyelitis-after-anterior-cruciate-ligament-reconstruction-with-hamstrings-autograft-and-bioabsorbable-interference-screw-a-case-report-and-review-of-the-literature
#16
Kevin S Weiss, Justin M Weatherall, Jen Eick, James R Ross
Osteomyelitis following arthroscopically assisted anterior cruciate ligament (ACL) reconstruction has rarely been reported in the literature. We report a case of a 20-year-old female who had delayed tibial osteomyelitis and a pretibial cyst with culture-positive, oxacillin sensitive Staphylococcus epidermidis 15 months after an ACL reconstruction with hamstring autograft. Soft tissue fixation within the tibial tunnel was with a poly-L-D-lactic acid (PLDLA) bioabsorbable interference screw. The patient underwent surgical treatment with curettage, debridement, hardware removal, and bone grafting of the tibial tunnel followed by a course of intravenous antibiotics...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29163951/coronary-artery-anomalies-unusually-high-incidence-of-anomalies-with-a-malignant-course-in-an-asian-population
#17
Abdulaziz M Alkhulaifi, Nidheesh Chooriyil, Maryam Alkuwari, Abdelnasser N Ghareep, Cornelia Carr
Objectives: Coronary artery anomalies are uncommon, but important cardiac malformations, representing the second commonest cause of death in young athletes. Methods: We utilized computerized tomographic angiography to screen and precisely delineate coronary artery anomalies in patients with minimal cardiac symptoms. Results: During 3.5-year period, we performed 2888 computerized tomographic angiographies. A total of 33 (1.1%; 95% confidence interval = 0...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/29163326/systematic-review-of-traumatic-brain-injuries-in-baseball-and-softball-a-framework-for-prevention
#18
Michael D Cusimano, Alice Zhu
Background: Traumatic brain injuries (TBIs) are an important public health challenge. The classification of baseball and softball as low contact sports and their association with extremity injuries cause individuals to overlook the risk of TBI in baseball and softball. Purpose: To summarize our knowledge of the epidemiology and risk factors of TBIs associated with baseball and softball with an aim to better design and implement preventive strategies. Methods: A search algorithm containing keywords that were synonymous to the terms "TBI," "baseball" was applied to the following nine databases: MEDLINE, Scopus, PubMed, EMBASE, CINAHL, Healthstar, PsychINFO, AMED, Cochrane library...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29163232/considerations-on-the-assessment-and-use-of-cycling-performance-metrics-and-their-integration-in-the-athlete-s-biological-passport
#19
Paolo Menaspà, Chris R Abbiss
Over the past few decades the possibility to capture real-time data from road cyclists has drastically improved. Given the increasing pressure for improved transparency and openness, there has been an increase in publication of cyclists' physiological and performance data. Recently, it has been suggested that the use of such performance biometrics may be used to strengthen the sensitivity and applicability of the Athlete Biological Passport (ABP) and aid in the fight against doping. This is an interesting concept which has merit, although there are several important factors that need to be considered...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29163219/neuromuscular-training-improves-lower-extremity-biomechanics-associated-with-knee-injury-during-landing-in-11-13-year-old-female-netball-athletes-a-randomized-control-study
#20
Amanda J Hopper, Erin E Haff, Christopher Joyce, Rhodri S Lloyd, G Gregory Haff
The purpose of this study was to examine the effects of a neuromuscular training (NMT) program on lower-extremity biomechanics in youth female netball athletes. The hypothesis was that significant improvements would be found in landing biomechanics of the lower-extremities, commonly associated with anterior cruciate ligament (ACL) injury, following NMT. Twenty-three athletes (age = 12.2 ± 0.9 years; height = 1.63 ± 0.08 m; mass = 51.8 ± 8.5 kg) completed two testing sessions separated by 7-weeks and were randomly assigned to either a experimental or control group...
2017: Frontiers in Physiology
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