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https://www.readbyqxmd.com/read/28100124/compelling-overuse-injury-incidence-in-youth-multisport-athletes
#1
Abdallah Rejeb, Amanda Johnson, Roel Vaeyens, Cosmin Horobeanu, Abdulaziz Farooq, Erik Witvrouw
The present investigation was carried out to examine the incidence and pattern of injuries in adolescent multisport athletes from youth sports academy. Injury data were prospectively collected from 166 athletes during the seasons from 2009 to 2014. A total of 643 injuries were identified, 559 (87.0%) were time-loss injuries. The overall injury incidence was 5.5 (95% confidence interval CI: 5.1-6.0), the incidence of time-loss injuries was 4.8 (95% CI: 4.4-5.2), the incidence of growth conditions was 1.2 (95% CI: 1...
January 18, 2017: European Journal of Sport Science
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
#2
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/27994723/return-to-sports-after-bone-marrow-derived-cell-transplantation-for-osteochondral-lesions-of-the-talus
#3
Francesca Vannini, Marco Cavallo, Laura Ramponi, Francesco Castagnini, Simone Massimi, Sandro Giannini, Roberto Emanuele Buda
OBJECTIVE: Arthroscopic "one-step" technique based on bone marrow-derived cell transplantation (BMDCT) have achieved good results in repairing osteochondral lesions of the talus (OLT), overcoming important drawbacks of older techniques. It may be particularly adequate for the treatment of athletes in order to permit a safe and stable return to sports. The aim of this study was to report the results at 48 months of a series of athletes and the factors influencing the return to sports. DESIGN: Case series...
January 2017: Cartilage
https://www.readbyqxmd.com/read/27992246/toe-in-landing-increases-the-ankle-inversion-angle-and-moment-during-single-leg-landing-implications-in-the-prevention-of-lateral-ankle-sprains
#4
Yuta Koshino, Tomoya Ishida, Masanori Yamanaka, Mina Samukawa, Takumi Kobayashi, Harukazu Tohyama
CONTEXT: Identifying the foot positions that are vulnerable to lateral ankle sprains is important for injury prevention. The effects of foot position in the transverse plane on ankle biomechanics during landing are unknown. OBJECTIVE: To examine the effects of toe-in or toe-out positioning on ankle inversion motion and moment during single-leg landing. DESIGN: Repeated measures. SETTING: Motion analysis laboratory. PARTICIPANTS: Eighteen healthy participants (nine men and nine women)...
December 19, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27984832/-injuries-in-karate-sports-a-survey-performed-during-the-world-championship-2014
#5
T Tischer, B Lembcke, M Ellenrieder, Ä Glass, W Weigert, W Mittelmeier
Background: In literature, the competitive sport of modern karate is almost always characterised as a combat sport involving injuries caused by impact effects and physical contact with opponents. There is a lack of data regarding the outcome after karate injuries, specifically with a view to the contact-free Kata karate. Methods: Performing a random test using a questionnaire, we collected data concerning regular medical treatment, prior surgeries of the locomotor system, and medical care. This study included 300 athletes from 65 countries (average age: 24...
December 2016: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/27981885/kinematic-and-kinetic-analysis-of-overhand-sidearm-and-underhand-lacrosse-shot-techniques
#6
Charles A J Macaulay, Larry Katz, Pro Stergiou, Darren Stefanyshyn, Luciano Tomaghelli
Lacrosse requires the coordinated performance of many complex skills. One of these skills is shooting on the opponents' net using one of three techniques: overhand, sidearm or underhand. The purpose of this study was to (i) determine which technique generated the highest ball velocity and greatest shot accuracy and (ii) identify kinematic and kinetic variables that contribute to a high velocity and high accuracy shot. Twelve elite male lacrosse players participated in this study. Kinematic data were sampled at 250 Hz, while two-dimensional force plates collected ground reaction force data (1000 Hz)...
December 16, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27967279/accuracy-of-jump-mat-systems-for-measuring-jump-height
#7
Basilio Pueo, Patrycja Lipinska, José M Jiménez-Olmedo, Piotr Zmijewski, Will G Hopkins
PURPOSE: Vertical-jump tests are commonly used to evaluate lower-limb power of athletes and non-athletes. Several types of equipment are available for this purpose. Here we compared the error of measurement of two jump-mat systems (Chronojump-Boscosystem and Globus Ergo Tester) with that of a motion-capture system as a criterion. Additionally we determined the modifying effect of foot length on jump height. METHODS: Thirty-one young adult males alternated four countermovement jumps with four squat jumps...
December 14, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27920330/treatment-of-insertional-achilles-pathology-with-dorsal-wedge-calcaneal-osteotomy-in-athletes
#8
Dimitrios Georgiannos, Vasilis Lampridis, Angelos Vasiliadis, Ilias Bisbinas
BACKGROUND: Insertional Achilles tendinopathy and retrocalcaneal bursitis is difficult to treat, and several operative techniques have been used after failure of conservative management. Dorsal wedge calcaneal osteotomy has been described for the treatment of insertional Achilles pathology. It was hypothesized that dorsal wedge calcaneal osteotomy would be an effective and safe method for the treatment of athletes with insertional Achilles pathology unrelieved by nonoperative measures...
December 5, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27918678/gait-asymmetry-during-400-to-1000-m-high-intensity-track-running-in-relation-to-injury-history
#9
Rahel Ammann, Wolfgang Taube, Thomas Wyss
PURPOSE: The aim of the present study was to quantify gait asymmetry in well-trained runners, with and without previous injuries during interval training sessions incorporating different distances. METHODS: Twelve well-trained runners participated in eight high-intensity interval training sessions on a synthetic track over a 4-week period. The training consisted of 10 × 400 m, 8 × 600 m, 7 × 800 m, and 6 × 1000 m running. Using an inertial measurement unit, the ground contact time (GCT) of every step was recorded...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27904796/functional-hop-tests-and-tuck-jump-assessment-scores-between-female-division-i-collegiate-athletes-participating-in-high-versus-low-acl-injury-prone-sports-a-cross-sectional-analysis
#10
Philipp Hoog, Meghan Warren, Craig A Smith, Nicole J Chimera
BACKGROUND: Although functional tests including the single leg hop (SLH), triple hop (TH), cross over hop (COH) for distance, and the tuck jump assessment (TJA) are used for return to play (RTP) criteria for post anterior cruciate ligament (ACL) injury, sport-specific baseline measurements are limited. PURPOSE: The purpose of this study was to examine differences in SLH, TH, and COH distance and limb symmetry index (LSI), as well as total scores, number of jumps, and individual flaws of the TJA in 97 injury-free Division I (DI) collegiate female student athletes participating in ACL injury prone vs...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27904791/current-concepts-in-biomechanical-interventions-for-patellofemoral-pain
#11
Richard W Willy, Erik P Meira
: Patellofemoral pain (PFP) has historically been a complex and enigmatic issue. Many of the factors thought to relate to PFP remain after patients' symptoms have resolved making their clinical importance difficult to determine. The tissue homeostasis model proposed by Dye in 2005 can assist with understanding and implementing biomechanical interventions for PFP. Under this model, the goal of interventions for PFP should be to re-establish patellofemoral joint (PFJ) homeostasis through a temporary alteration of load to the offended tissue, followed by incrementally restoring the envelope of function to the baseline level or higher...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27904787/biomechanics-and-pathomechanics-of-the-patellofemoral-joint
#12
Janice K Loudon
The patellofemoral joint is a joint that can be an area of concern for athletes of various sports and ages. The joint is somewhat complex with multiple contact points and numerous tissues that attach to the patella. Joint forces are variable and depend on the degree of knee flexion and whether the foot is in contact with the ground. The sports medicine specialist must have a good working knowledge of the anatomy and biomechanics of the patellofemoral joint in order to treat it effectively.
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27902891/computerized-agility-training-improves-change-of-direction-and-balance-performance-independently-of-footwear-in-young-adults
#13
Max R Paquette, Brian K Schilling, Joshua D Bravo, Shelby A Peel, Yuhua Li, Robert J Townsend
: Understanding the effects of training in different footwear on sporting performance would be useful to coaches and athletes. PURPOSE: This study compared the effects of computerized agility training using 3 types of footwear on change-of-direction and balance performance in young adults. METHOD: Thirty recreationally active young adults (Mage = 22.8 ± 3.1 years; Mheight = 1.71 ± 0.7 m; Mbodymass = 73.4 ± 10.3 kg) were randomly assigned to a 6-week computerized agility training intervention in 1 of 3 footwear groups (n = 10/group): barefoot, minimal footwear, or traditional shoes...
November 30, 2016: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27888695/automatic-identification-of-gait-events-during-walking-on-uneven-surfaces
#14
Nils Eckardt, Armin Kibele
The accurate detection of gait events is essential for clinical gait analysis. Aside from speed, surface characteristics like planarity and compliance can affect gait kinematics. Therefore detection of kinematic gait events on uneven surfaces may be inaccurate. To date, no study has investigated the possible influence of surface characteristics on gait event detection. Thus, the purpose of this study was to assess and compare the performance of four kinematic-based gait event detection algorithms (horizontal heel-heel displacement, foot velocity, heel/toe-PSIS displacement, peak hip extension) during walking on three surfaces with different degrees of planarity...
November 18, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27863793/plantar-pressure-asymmetry-and-risk-of-stress-injuries-in-the-foot-of-young-soccer-players
#15
Renato R Azevedo, Emmanuel S da Rocha, Pedro S Franco, Felipe P Carpes
BACKGROUND: Asymmetries in the magnitude of plantar pressure are considered a risk factor for stress fracture of the fifth metatarsal in soccer athletes. OBJECTIVE: To investigate the presence of plantar pressure asymmetries among young soccer athletes. DESIGN: Observational. SETTING: Laboratory. PARTICIPANTS: Thirty young adolescents divided into a soccer player group (n = 15) or a matched control group (n = 15)...
October 24, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27849388/competition-level-differences-on-the-lower-quarter-y-balance-test-in-baseball-players
#16
Robert J Butler, Garrett Bullock, Todd Arnold, Phillip Plisky, Robin Queen
CONTEXT: Decreased performance in dynamic balance has previously been associated with a history of ulnar collateral ligament injury in baseball players. Previous research on dynamic balance in soccer players has shown that test performance depends on competition level. However, dynamic balance has yet to be examined in baseball players. OBJECTIVE: To understand normative values and determine differences in dynamic balance, as measured by the Lower Quarter Y-Balance Test, across competition levels in baseball players...
December 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27843418/effects-of-acute-carbohydrate-ingestion-on-anaerobic-exercise-performance
#17
Ben M Krings, Jaden A Rountree, Matthew J McAllister, Patrick M Cummings, Timothy J Peterson, Brent J Fountain, JohnEric W Smith
BACKGROUND: Carbohydrate (CHO) supplementation during endurance exercises has been shown to increase performance, but there is limited research with CHO supplementation during strength and conditioning exercises. Therefore, the purpose of this study was to examine the effects of various levels of CHO ingestion during acute testing sessions requiring participants to complete a strength and conditioning program designed for collegiate athletes. METHODS: Participants (n = 7) performed a series of exercises while ingesting an amino-acid electrolyte control (CON) or CON plus varying levels of CHO...
2016: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/27834613/patient-outcomes-utilizing-the-mulligan-concept-of-mwm-to-treat-intercollegiate-patients-diagnosed-with-lateral-ankle-sprain-an-a-priori-case-series
#18
James M May, Alan Nasypany, Julie Paolino, Russell Baker, Jeffrey Seegmiller
CONTEXT: While the incidence and re-injury rates of lateral ankle sprain (LAS) continue to persist at high rates across many sporting activities, further exploration of assessment and treatment beyond the traditional ligamentous and strength/proprioceptive model is warranted. Further, assessing and treating both arthrokinematic and osteokinematic changes associated with LAS can provide insight into a more diverse approach to treating ankle pathology. OBJECTIVE: To examine the clinical use of the Mulligan Concept MWM while treating patients diagnosed with an acute grade I or II LAS through authentic patient care...
November 11, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27826402/the-prevalence-of-selected-intrinsic-risk-factors-for-ankle-sprain-among-elite-football-and-basketball-players
#19
Farzin Halabchi, Hooman Angoorani, Maryam Mirshahi, Mohammad Hosein Pourgharib Shahi, Mohammad Ali Mansournia
BACKGROUND: Lateral ankle sprains (LAS) are among the most common sports- related injuries and the reinjury rate is very high. OBJECTIVES: This study aimed to evaluate the prevalence of some intrinsic risk factors among professional football and basketball players with or without history of acute or recurrent ankle sprain. PATIENTS AND METHODS: One hundred and six professional football and basketball players who were referred for pre-participation examinations were recruited in this study...
September 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27825293/translation-cross-cultural-adaptation-and-clinimetric-testing-of-instruments-used-to-assess-patients-with-ankle-sprain-in-the-brazilian-population
#20
Ronaldo Alves da Cunha, Fuad Ahmad Hazime, Maria Cecília da Silva Martins, Mateus Ferreira, Alberto de Castro Pochini, Benno Ejnisman
Study Design Clinical measurement study. Background Ankle sprain is a common condition. Therefore, translated, culturally adapted, and clinimetrically tested instruments for measuring the ankle are needed. Objectives To translate and cross-culturally adapt the Sports Athlete Foot and Ankle Score (SAFAS) and the global rating of change (GROC) into Brazilian Portuguese. This study also aimed to test the measurement properties of the SAFAS, the GROC, and the existing Brazilian-Portuguese versions of the numeric pain-rating scale (NPRS) and the ankle-hindfoot scale of the American Orthopaedic Foot and Ankle Society (AOFAS) in a group with ankle sprain...
December 2016: Journal of Orthopaedic and Sports Physical Therapy
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