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https://www.readbyqxmd.com/read/28717518/the-sharing-of-radiological-images-by-professional-mixed-martial-arts-fighters-on-social-media
#1
George Rahmani, Cormac W Joyce, Peter McCarthy
BACKGROUND: Mixed martial arts is a sport that has recently enjoyed a significant increase in popularity. This rise in popularity has catapulted many of these "cage fighters" into stardom and many regularly use social media to reach out to their fans. An interesting result of this interaction on social media is that athletes are sharing images of their radiological examinations when they sustain an injury. PURPOSE: To review instances where mixed martial arts fighters shared images of their radiological examinations on social media and in what context they were shared...
June 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28714826/effects-of-peroneal-muscles-fatigue-on-dynamic-stability-following-lateral-hop-landing-time-to-stabilization-vs-dynamic-postural-stability-index
#2
Kazem Malmir, Gholam Reza Olyaei, Saeed Talebian, Ali Ashraf Jamshidi, Majid Ashraf Ganguie
CONTEXT: Dynamic stability is a necessary requirement in many sports competitions. Muscle fatigue, which can impair stability, may be occurred in many sports competitions in which lateral movements and landing repeated frequently. OBJECTIVE: To assess the effects of peroneal muscles fatigue on dynamic stability following lateral hop landing through measuring time to stabilization (TTS) and dynamic postural stability index (DPSI). DESIGN: Quasi-experimental...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28708704/shoulder-injuries-in-canoeing-and-kayaking
#3
Philip Holland, Emma Torrance, Lennard Funk
OBJECTIVE: We report the largest case series of shoulder injuries among paddlers so far to establish common mechanisms and patterns of injury. We also discuss how these injuries were managed and report the proportion of paddlers that return to paddlesport. DESIGN: Case series. SETTING: Upper Limb Unit, Wrightington Hospital, United Kingdom. Manchester Arm Clinic, United Kingdom. PATIENTS: Fifty-seven shoulder injuries to professional and recreational paddlers were reviewed at a mean follow-up time of 55 months from the first consultation...
July 11, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28707498/epidemiology-of-injuries-in-men-s-lacrosse-implications-for-level-type-of-play-and-position
#4
Kim Barber Foss, Ed Le Cara, Teri McCambridge, Richard Hinton, Adam Kushner, Greg Myer
OBJECTIVE: The growth in participation in men's lacrosse has increased the likelihood of sport-specific injuries. Despite the exponential growth in men's lacrosse participation, there continues to be a need for specific epidemiological data concerning lacrosse injuries. The sport's rapid growth in participation could have a profound effect on injury prevalence characteristics. The purpose of this literature review is to aggregate available published data on injuries that occur in the sport of men's lacrosse at the youth, high school, collegiate, and professional levels...
July 14, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28707114/the-shoulder-instability-return-to-sport-after-injury-sirsi-a-valid-and-reproducible-scale-to-quantify-psychological-readiness-to-return-to-sport-after-traumatic-shoulder-instability
#5
Antoine Gerometta, Shahnaz Klouche, Serge Herman, Nicolas Lefevre, Yoann Bohu
PURPOSE: The main goal of this study was to propose and validate a tool to quantify the psychological readiness of athletes to return to sport following traumatic shoulder instability and conservative or surgical management. METHODS: «Knee» was replaced by the term «shoulder» in the Anterior Cruciate Ligament-Return to Sport after Injury scale. This pilot test of the Shoulder Instability-Return to Sport after Injury scale (SIRSI) was performed in a group of athletes who underwent surgery for post-traumatic chronic anterior shoulder instability...
July 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28702921/acl-return-to-sport-guidelines-and-criteria
#6
REVIEW
George J Davies, Eric McCarty, Matthew Provencher, Robert C Manske
PURPOSE OF REVIEW: Because of the epidemiological incidence of anterior cruciate ligament (ACL) injuries, the high reinjury rates that occur when returning back to sports, the actual number of patients that return to the same premorbid level of competition, the high incidence of osteoarthritis at 5-10-year follow-ups, and the effects on the long-term health of the knee and the quality of life for the patient, individualizing the return to sports after ACL reconstruction (ACL-R) is critical...
July 12, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28700518/agility-and-vertical-jump-performances-are-impacted-by-acute-cool-exposure
#7
Lara A Carlson, Cara Fowler, Michael A Lawrence
Outdoor sports teams may be exposed to acute cold stress during competition, which may affect performance. Limited research has explored the effects of cold exposure on athletic components. The purpose of this study was to examine the effects of an acute whole-body cool exposure on pro-agility, vertical jump, and sprint performances. Eleven lightly clothed (∼0.3 clo) and not cold acclimatized volunteers (10/1 women/men: age 20.5 ± 0.5 y; height 1.65 ± 0.09 m; mass 63.3 ± 8.9 kg; body fat 21.3 ± 7.6%) completed performance tests in both thermoneutral (17...
July 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28680894/return-to-play-and-player-performance-after-anterior-cruciate-ligament-injury-in-elite-australian-rules-football-players
#8
Matthew G Liptak, Kevin R Angel
BACKGROUND: Australian Rules football is a highly aerobic and anaerobic game that at times requires players to perform cutting or pivoting maneuvers, potentially exposing them to anterior cruciate ligament (ACL) injury. At present, there are limited data available addressing the impact of ACL injury on return to play and preinjury form after ACL reconstruction. PURPOSE: To determine the prevalence of ACL injury and the incidence of further ACL injury, and to consider player return to play and return to preinjury form after ACL reconstruction...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28677945/within-person-relationship-between-self-efficacy-and-performance-across-trials-effect-of-task-objective-and-task-type
#9
Teri J Hepler, Jason Ritchie, Christopher R Hill
BACKGROUND: Self-efficacy has been shown to be a consistent, positive predictor of between-persons performance in sport. However, there have been equivocal results regarding the influence of self-efficacy on a person's performance over time. This study investigated the influence of self-efficacy on motor skill performance across trials with respect to two different task objectives and task types. METHODS: Participants (N=84) performed 4 blocks of 10 trials of a dart throwing (closed skill) and a hitting (open skill) task under 2 different task objectives: competitive and goal-striving...
July 5, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28674942/performance-bridging-the-gap-after-acl-surgery
#10
REVIEW
Polly de Mille, Jamie Osmak
PURPOSE OF REVIEW: The purpose of this paper is to identify strategies for a successful transition to sports in patients following rehabilitation for ACL reconstruction surgery (ACLR). RECENT FINDINGS: Recent research continues to demonstrate a relatively low rate of return to previous level of play among athletes following ACLR combined with a significant risk of injury to either the ipsi or the contralateral ACL. Recent research also demonstrates a growing use of a varied battery of assessments to determine readiness to return to sport as well as a lack of consensus on the ideal rehabilitation program, the criteria for clearance for return to play (both in time from surgery and functional milestones), and the nature of a conditioning program designed specifically for transitioning the cleared athlete back to competition...
July 3, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28674604/mood-and-performance-anxiety-in-high-school-basketball-players-a-pilot-study
#11
Steffen J Hoover, Rachel K Winner, Holly McCutchan, Christina C Beaudoin, Lawrence W Judge, Lani M Jones, Brianna Leitzelar, Donald L Hoover
Participation in competitive sport may impact psychological measures, such as mood and performance anxiety, which in turn may impact enjoyment, adherence, continued participation, and so on. This study assessed the feasibility - in terms of process, resources, management, and potential scientific value- of measuring the effect of varying competitive challenges upon the mood and performance anxiety measures of high school athletes. The participants (n=12) consisted of the boys' varsity basketball team at a high school in a rural Midwestern community...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28673408/sideline-sports-concussion-assessment
#12
REVIEW
Kenneth Podell, Chase Presley, Howard Derman
The sideline assessment of concussions is a complex multisystem assessment to detect whether an athlete shows signs or symptoms of concussion and should be removed from practice or competition to prevent greater neurologic compromise. Sideline concussion assessments are challenging given some of the environmental conditions, substitution rules of some sports, the possibility of athletes underreporting symptoms, and the difficulties of defining a concussion. The SCAT is the standard of care and is augmented with other procedures to enhance sensitivity and specificity...
August 2017: Neurologic Clinics
https://www.readbyqxmd.com/read/28662163/association-between-laboratory-capacities-and-world-cup-performance-in-nordic-combined
#13
Vegard Rasdal, Ronny Fudel, Jan Kocbach, Frode Moen, Gertjan Ettema, Øyvind Sandbakk
BACKGROUND: Nordic combined (NC) is an Olympic winter-sport performed as a ski jumping (SJ) event followed by a cross-country (XC) pursuit race employing the skating style. PURPOSE: To elucidate the associations between sport-specific laboratory capacities and SJ, XC skiing, and overall NC performance in a world-cup NC event. METHODS: Twelve international world-cup NC athletes from 8 nations performed laboratory testing one day prior to participating in a world-cup NC event...
2017: PloS One
https://www.readbyqxmd.com/read/28658085/mixed-martial-arts-induces-significant-fatigue-and-muscle-damage-up-to-24-hours-post-combat
#14
Nihel Ghoul, Montassar Tabben, Bianca Miarka, Claire Tourny, Karim Chamari, Jeremy Coquart
This study investigates the physiological/physical responses to a simulated mixed martial arts (MMA) competition over 24 hr. Twelve fighters performed a simulated MMA competition, consisting of three 5-min MMA matches. Physiological/physical data were assessed before (Trest), directly after round 1 (Trd1), round 2 (Trd2) and round 3 (Trd3), and then 30-min (Trecovery30min) and/or 24-hr (Trecovery24h) post-competition. Heart rate (HR), rating of perceived exertion (RPE) and blood lactate concentration ([La]) were assessed at Trest, Trd1, Trd2 and Trd3...
June 22, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28657778/successful-return-to-sport-after-arthroscopic-shoulder-stabilization-versus-nonoperative-management-in-contact-athletes-with-anterior-shoulder-instability-a-prospective-multicenter-study
#15
Jonathan F Dickens, John-Paul Rue, Kenneth L Cameron, John M Tokish, Karen Y Peck, C Dain Allred, Steven J Svoboda, Robert Sullivan, Kelly G Kilcoyne, Brett D Owens
BACKGROUND: The debate continues regarding the optimal treatment of intercollegiate contact athletes with in-season anterior shoulder instability. PURPOSE: To examine return to sport and recurrent instability in the season after the index in-season anterior instability event. STUDY DESIGN: Cohort study; Level of evidence, 2. METHODS: Forty-five contact intercollegiate athletes treated nonoperatively or with arthroscopic stabilization were prospectively followed in a multicenter observational study to evaluate return to play (RTP) and recurrent instability in the season after an initial in-season anterior glenohumeral instability event...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28654438/differences-in-athletic-performance-between-sportsmen-with-symptomatic-femoroacetabular-impingement-and-healthy-controls
#16
Karen Mullins, Michael Hanlon, Patrick Carton
OBJECTIVE: Femoroacetabular impingement (FAI) is a commonly recognized condition in athletes characterized by activity-related hip pain and stiffness, which if left untreated can progress to hip osteoarthritis. The aim of the study was to determine the effect of symptomatic FAI on performance in young athletes based on the hypothesis that athletes with FAI would show deficits in performance compared with healthy controls. DESIGN: The functional performance of a cohort of preoperative, competitive sportsmen with symptomatic FAI (FAI group, n = 54), was compared with that of a group of age, sex and activity-level matched controls (n = 66)...
June 22, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28652828/prevention-treatment-and-rehabilitation-of-anterior-cruciate-ligament-injuries-in-children
#17
REVIEW
Pamela J Lang, Dai Sugimoto, Lyle J Micheli
As more children and adolescents participate in competitive organized sports, there has been an increase in the reported incidence of anterior cruciate ligament (ACL) injuries in these age groups. ACL injuries in skeletally immature athletes present a challenge, as reconstruction must preserve the physis of the distal femur and of the proximal tibia to avoid growth disturbances. Historically, a skeletally immature athlete with an ACL injury was treated with a brace and activity modification until skeletal maturity, with ACL reconstruction being performed at that time in the "non-copers" who experienced instability...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28648230/the-psychosocial-development-of-world-class-athletes-additional-considerations-for-understanding-the-whole-person-and-salience-of-adversity
#18
Daniel F Gucciardi
In the target article, Hardy and colleagues provided an incisive analysis of retrospectively reported psychosocial factors associated with the development and careers of 32 former athletes from Olympic sports. They found that Super-Elite athletes ("serial" medal winners at major international championships, i.e., World Championship or Olympic Games) differed from matched Elite performers (won medals at international competitions but not major championships) with regard to several important psychosocial factors (e...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/28632066/differences-in-trunk-and-thigh-muscle-strength-endurance-and-thickness-between-elite-sailors-and-non-sailors
#19
Bernd Friesenbichler, Julia F Item-Glatthorn, Fabian Neunstöcklin, Nicola C Casartelli, Gaël Guilhem, Nicola A Maffiuletti
Dinghy sailors lean their upper body over the windward side of the boat ('hiking') to keep the boat's balance and maximise its speed. Sustaining the hiking position is essential for competitive performance and this study examined sport-specific differences of muscles relevant for hiking in elite sailors. Knee extensor muscle strength as well as trunk muscle strength, muscle endurance and muscle thickness were assessed in elite dinghy sailors (n = 15) and compared to matched, non-sailing controls (n = 15)...
March 1, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28628396/differential-in-maximal-aerobic-capacity-by-sex-in-collegiate-endurance-athletes-consuming-a-marginally-low-carbohydrate-diet
#20
Marissa N Baranauskas, Brian Miller, Jordan T Olson, Michelle Boltz, Laura Richardson, Matthew Juravich, Ronald Otterstetter
PURPOSE: Although current sports nutrition recommendations advocate for a high carbohydrate (CHO) intake among endurance athletes, recent research has suggested that training with low CHO availability may augment adaptations to aerobic training. The purpose of this study was to observe the dietary habits of collegiate distance runners and to investigate the effects of habitual CHO intake on aerobic performance [VO2max(post)] during a competitive season. METHODS: During an 8-week trial period, 12 (N = 12) collegiate track athletes recorded their self-selected dietary intake via 24-hour recall...
July 2017: Journal of the American College of Nutrition
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