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Open Access Journal of Sports Medicine

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https://www.readbyqxmd.com/read/27920584/evaluation-management-and-prevention-of-lower-extremity-youth-ice-hockey-injuries
#1
REVIEW
Charles A Popkin, Brian M Schulz, Caroline N Park, Thomas S Bottiglieri, T Sean Lynch
Ice hockey is a fast-paced sport played by increasing numbers of children and adolescents in North America and around the world. Requiring a unique blend of skill, finesse, power and teamwork, ice hockey can become a lifelong recreational activity. Despite the rising popularity of the sport, there is ongoing concern about the high frequency of musculoskeletal injury associated with participation in ice hockey. Injury rates in ice hockey are among the highest in all competitive sports. Numerous research studies have been implemented to better understand the risks of injury...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27895518/single-leg-squats-can-predict-leg-alignment-in-dancers-performing-ballet-movements-in-turnout
#2
Luke S Hopper, Nahoko Sato, Andries L Weidemann
The physical assessments used in dance injury surveillance programs are often adapted from the sports and exercise domain. Bespoke physical assessments may be required for dance, particularly when ballet movements involve "turning out" or external rotation of the legs beyond that typically used in sports. This study evaluated the ability of the traditional single-leg squat to predict the leg alignment of dancers performing ballet movements with turnout. Three-dimensional kinematic data of dancers performing the single-leg squat and five ballet movements were recorded and analyzed...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27877070/aerobic-power-and-lean-mass-are-indicators-of-competitive-sprint-performance-among-elite-female-cross-country-skiers
#3
Tomas Carlsson, Michail Tonkonogi, Magnus Carlsson
The purpose of this study was to establish the optimal allometric models to predict International Ski Federation's ski-ranking points for sprint competitions (FISsprint) among elite female cross-country skiers based on maximal oxygen uptake ( [Formula: see text]) and lean mass (LM). Ten elite female cross-country skiers (age: 24.5±2.8 years [mean ± SD]) completed a treadmill roller-skiing test to determine [Formula: see text] (ie, aerobic power) using the diagonal stride technique, whereas LM (ie, a surrogate indicator of anaerobic capacity) was determined by dual-emission X-ray anthropometry...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27843364/radial-extracorporeal-shockwave-therapy-for-the-treatment-of-finger-tenosynovitis-trigger-digit
#4
Nikos Malliaropoulos, Rosanna Jury, Debasish Pyne, Nat Padhiar, Jennifer Turner, Vasileios Korakakis, Maria Meke, Heinz Lohrer
INTRODUCTION: Stenosing tenosynovitis that is characterized by the inability to flex the digit smoothly, usually leads to prolonged rehabilitation or surgery. STUDY DESIGN: This case series is a retrospective cohort study. PURPOSE: The aim of this case series was to evaluate the effectiveness of radial extracorporeal shockwave therapy (rESWT) for the treatment of stenosing tenosynovitis of the digital flexor tendon (trigger digit). METHODS: A retrospective analysis of 44 patients (49 fingers) treated with an individually adapted rESWT protocol was conducted...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27822128/epidemiology-and-location-of-rugby-injuries-treated-in-us-emergency-departments-from-2004-to-2013
#5
Vani Sabesan, Zachary Steffes, Daniel J Lombardo, Graysen R Petersen-Fitts, Toufic R Jildeh
Rugby participation in the US is increasing, and with its inclusion in the 2016 Summer Olympics, the increased participation rates are expected to continue. Naturally, as participation increases, so too do rugby-related injuries. The difference in injury patterns with regard to age and gender illustrates differences in how the game is being played. Understanding what accounts for these emerging injury patterns will help guide future injury prevention efforts. This study provides an update on injury rates for the growing population of rugby players in the US, especially young players...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27799834/a-comparison-of-functional-outcomes-in-patients-undergoing-revision-arthroscopic-repair-of-massive-rotator-cuff-tears-with-and-without-arthroscopic-suprascapular-nerve-release
#6
Felix H Savoie, Mark Zunkiewicz, Larry D Field, William H Replogle, Michael J O'Brien
PURPOSE: This study was designed to compare functional outcomes in patients undergoing revision repair of massive rotator cuff tears (retracted medial to the glenoid) with Goutallier Grade 4 atrophy and concomitant release of the suprascapular nerve to a similar group of patients with Grade 3 atrophy undergoing revision rotator cuff repair (RTCR) without nerve release. We hypothesized that patients undergoing nerve release would have more favorable functional outcomes as measured by the Modified University of California at Los Angeles shoulder rating scale (UCLA)...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27695371/effects-of-gamma-irradiation-on-the-biomechanical-properties-of-peroneus-tendons
#7
Christopher M Aguila, Gaëtan J-R Delcroix, David N Kaimrajh, Edward L Milne, H Thomas Temple, Loren L Latta
PURPOSE: This study was designed to investigate the biomechanical properties of nonirradiated (NI) and irradiated (IR) peroneus tendons to determine if they would be suitable allografts, in regards to biomechanical properties, for anterior cruciate ligament reconstruction after a dose of 1.5-2.5 Mrad. METHODS: Seven pairs of peroneus longus (PL) and ten pairs of peroneus brevis (PB) tendons were procured from human cadavers. The diameter of each allograft was measured...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27660501/diagnosis-and-prevention-of-overtraining-syndrome-an-opinion-on-education-strategies
#8
Jeffrey B Kreher
Overtraining syndrome is a condition of maladapted physiology in the setting of excessive exercise without adequate rest. The exact etiology and pathogenesis are unknown and being investigated. Symptoms are multisystem in nature and often representative of underlying hormonal, immunologic, neurologic, and psychologic disturbances. Unfortunately, systematic review of the literature does not clearly direct diagnosis, management, or prevention. However, given the severity of symptoms and impairment to quality of life, prevention of overtraining syndrome should be considered by all who interact with endurance athletes...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27621677/the-elite-young-athlete-strategies-to-ensure-physical-and-emotional-health
#9
REVIEW
Todd M Sabato, Tanis J Walch, Dennis J Caine
This article presents a current review of the risk of physical and psychological injury associated with participation in elite youth sport, and suggests strategies to ensure the physical and emotional health of these young athletes. Although there is lack of epidemiological data, especially with regard to psychological injury, preliminary data suggest that the risk of injury is high in this population. While there is lack of incident and follow-up data, there is also concern regarding burnout, disordered eating, and the long-term consequences of injury...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27579000/the-effect-of-local-cryotherapy-on-subjective-and-objective-recovery-characteristics-following-an-exhaustive-jump-protocol
#10
Erich Hohenauer, Peter Clarys, Jean-Pierre Baeyens, Ron Clijsen
The purpose of this controlled trial was to investigate the effects of a single local cryotherapy session on the recovery characteristics over a period of 72 hours. Twenty-two young and healthy female (n=17; mean age: 21.9±1.1 years) and male (n=5;mean age: 25.4±2.8 years) adults participated in this study. Following an exhaustive jump protocol (3×30 countermovement jumps), half of the participants received either a single local cryotherapy application (+8°C) or a single local thermoneutral application (+32°C) of 20-minute duration using two thigh cuffs...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27574474/laboratory-and-field-based-testing-as-predictors-of-skating-performance-in-competitive-level-female-ice-hockey
#11
Tommy Henriksson, Jason D Vescovi, Anncristine Fjellman-Wiklund, Kajsa Gilenstam
OBJECTIVES: The purpose of this study was to examine whether field-based and/or laboratory-based assessments are valid tools for predicting key performance characteristics of skating in competitive-level female hockey players. DESIGN: Cross-sectional study. METHODS: Twenty-three female ice hockey players aged 15-25 years (body mass: 66.1±6.3 kg; height: 169.5±5.5 cm), with 10.6±3.2 years playing experience volunteered to participate in the study...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27563262/shoulder-injuries-in-soccer-goalkeepers-review-and-development-of-a-fifa-11-shoulder-injury-prevention-program
#12
REVIEW
Benno Ejnisman, Gisele Barbosa, Carlos V Andreoli, A de Castro Pochini, Thiago Lobo, Rodrigo Zogaib, Moises Cohen, Mario Bizzini, Jiri Dvorak
In the last years, shoulder injuries have represented an increasing health problem in soccer players. The goalkeepers are more exposed to shoulder disorders than other field players. Injury prevention exercises for upper limbs were cited in few studies involving throwing athletes, but we know that goalkeepers need a specific program. The purpose of this study is to describe the development of an adapted Fédération Internationale de Football Association (FIFA) 11+ program, namely the FIFA 11+ shoulder, which targets the prevention of shoulder injuries in soccer goalkeepers...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27313480/reliability-and-concurrent-validity-between-two-dimensional-and-three-dimensional-evaluations-of-knee-valgus-during-drop-jumps
#13
Alexis Ortiz, Martin Rosario-Canales, Alejandro Rodríguez, Alexie Seda, Carla Figueroa, Heidi L Venegas-Ríos
PURPOSE: The aim of this study was to establish the concurrent validity and reliability of four different two-dimensional (2D) video-based techniques for quantifying frontal plane knee kinematics during a 40 cm double-legged drop jump. PARTICIPANTS AND METHODS: A convenience sample of 16 healthy participants (nine males and seven females; age: [mean ± standard deviation] 25.5±2 years; body mass index: 24.33±2.98 kg/m(2)) participated in this investigation. A total of five trials during a 40 cm drop jump maneuver with a countermovement jump were used as the functional task...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27274324/airway-dysfunction-in-elite-swimmers-prevalence-impact-and-challenges
#14
REVIEW
Mitch Lomax
The prevalence of airway dysfunction in elite swimmers is among the highest in elite athletes. The traditional view that swimmers naturally gravitate toward swimming because of preexisting respiratory disorders has been challenged. There is now sufficient evidence that the higher prevalence of bronchial tone disorders in elite swimmers is not the result of a natural selection bias. Rather, the combined effects of repeated chlorine by-product exposure and chronic endurance training can lead to airway dysfunction and atopy...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27274323/low-recurrence-rate-after-mini-surgery-outside-the-tendon-combined-with-short-rehabilitation-in-patients-with-midportion-achilles-tendinopathy
#15
Håkan Alfredson
BACKGROUND: There is a general opinion that a structured and specific rehabilitation is needed after treatment of midportion Achilles tendinopathy to minimize recurrence of the condition. There is sparse knowledge about the recurrence rates in large patient materials after specific treatments for midportion Achilles tendinopathy. AIM: This study aimed to investigate the recurrence rates in a large number of patients with chronic painful midportion Achilles tendinopathy that had been surgically treated with the ultrasound (US) and Doppler (DP)-guided mini-surgical scraping technique...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27186145/changes-in-blood-biochemical-markers-before-during-and-after-a-2-day-ultramarathon
#16
Kazuyuki Arakawa, Akihiro Hosono, Kiyoshi Shibata, Reza Ghadimi, Mizuho Fuku, Chiho Goto, Nahomi Imaeda, Yuko Tokudome, Hideki Hoshino, Mitsuhiro Marumoto, Masaaki Kobayashi, Sadao Suzuki, Shinkan Tokudome
We studied changes in blood markers of 18 nonprofessional, middle-aged runners of a 2-day, 130 km ultramarathon. Blood was sampled at baseline, after the goals on the first and second day, and at three time points (1, 3, and 5/6 days) after the race. Blood indices showed three patterns. First pattern indices showed essentially no changes after the two goals and after the race, including red blood cell indices, gamma-glutamyl transferase, and tumor necrosis factor-α. Second pattern markers, including the majority of indices, were elevated during the race (and also after the race for some parameters) and then returned to baseline afterward, including hemolysis/red blood cell destruction markers (indirect bilirubin) and an iron reservoir index (ferritin), muscle damage parameters (uric acid, creatine kinase, lactate dehydrogenase, and aspartate aminotransferase), renal function markers (creatinine and blood urea nitrogen), liver injury index (alanine aminotransferase), lipid metabolism indices (free fatty acid), reactive oxygen species and inflammation parameters (white blood cells, interleukin-6, and C-reactive protein), and energy production and catecholamines (adrenaline, noradrenaline, and dopamine)...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27042147/managing-ankle-ligament-sprains-and-tears-current-opinion
#17
REVIEW
Ryan P McGovern, RobRoy L Martin
The purpose of this paper is to present a current review of pathoanatomical features, differential diagnosis, objective assessment, intervention, and clinical course associated with managing lateral ankle ligament sprains. Proper diagnosis and identification of affected structures should be obtained through history and objective assessment. From this information, an individualized evidence-based intervention plan can be developed to enable recovery while decreasing the risk of reinjury. An appropriate evaluation is needed not only to determine the correct diagnosis but also to allow for grading and determining the prognosis of the injury in those with an acute lateral ankle sprain...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/26955296/anterior-cruciate-ligament-reconstruction-rehabilitation-and-return-to-play-2015-update
#18
REVIEW
John Nyland, Alma Mattocks, Shane Kibbe, Alaa Kalloub, Joe W Greene, David N M Caborn
Anatomical discoveries and a growing appreciation of the knee as a complex organ are driving innovations in patient care decision-making following anterior cruciate ligament (ACL) injury. Surgeons are increasing their efforts to restore combined mechanical-neurosensory ACL function and placing more consideration on when to reconstruct versus repair native anatomical structures. Surgical options now include primary repair with or without reinforcing the injured ACL with suture-based internal bracing, and growing evidence supports biological augmentation using platelet-rich plasma and mesenchymal stem cells to enhance tissue healing...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/26937207/the-influence-of-sex-age-and-race-experience-on-pacing-profiles-during-the-90-km-vasaloppet-ski-race
#19
Magnus Carlsson, Hannes Assarsson, Tomas Carlsson
The purpose of this study was to investigate pacing-profile differences during the 90 km Vasaloppet ski race related to the categories of sex, age, and race experience. Skiing times from eight sections (S1 to S8) were analyzed. For each of the three categories, 400 pairs of skiers were matched to have a finish time within 60 seconds, the same start group, and an assignment to the same group for the other two categories. Paired-samples Student's t-tests were used to investigate sectional pacing-profile differences between the subgroups...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/26793008/what-is-the-most-effective-posture-to-conduct-vibration-from-the-lower-to-the-upper-extremities-during-whole-body-vibration-exercise
#20
Yuka Tsukahara, Jun Iwamoto, Kosui Iwashita, Takuma Shinjo, Koichiro Azuma, Hideo Matsumoto
BACKGROUND: Whole-body vibration (WBV) exercise is widely used for training and rehabilitation. However, the optimal posture for training both the upper and lower extremities simultaneously remains to be established. OBJECTIVES: The objective of this study was to search for an effective posture to conduct vibration from the lower to the upper extremities while performing WBV exercises without any adverse effects. METHODS: Twelve healthy volunteers (age: 22-34 years) were enrolled in the study...
2016: Open Access Journal of Sports Medicine
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