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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
#1
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/27900290/female-athletes-and-menstrual-disorders-a-pilot-study
#2
Laura Stefani, Giorgio Galanti, Silvia Lorini, Giada Beni, Metella Dei, Nicola Maffulli
BACKGROUND: There is a greater incidence of menstrual disorders in female athletes than in their sedentary counterparts. The menstrual disorder is reported in female athletes suffering from athletic triad syndrome, while few data in those free of this syndrome are available. The study aims to ascertain the presence of menstrual disorders and the eventual relationship with myocardial performance in female athletes practicing different sports. METHODS: A sample of 64 subjects aged 18...
April 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27881116/concurrent-agreement-between-an-anthropometric-model-to-predict-thigh-volume-and-dual-energy-x-ray-absorptiometry-assessment-in-female-volleyball-players-aged-14-18-years
#3
Óscar M Tavares, João Valente-Dos-Santos, João P Duarte, Susana C Póvoas, Luís A Gobbo, Rômulo A Fernandes, Daniel A Marinho, José M Casanova, Lauren B Sherar, Daniel Courteix, Manuel J Coelho-E-Silva
BACKGROUND: A variety of performance outputs are strongly determined by lower limbs volume and composition in children and adolescents. The current study aimed to examine the validity of thigh volume (TV) estimated by anthropometry in late adolescent female volleyball players. Dual-energy X-ray absorptiometry (DXA) measures were used as the reference method. METHODS: Total and regional body composition was assessed with a Lunar DPX NT/Pro/MD+/Duo/Bravo scanner in a cross-sectional sample of 42 Portuguese female volleyball players aged 14-18 years (165...
November 24, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27872419/elastographic-findings-of-achilles-tendons-in-asymptomatic-professional-male-volleyball-players
#4
Mehtap Balaban, Ilkay S Idilman, Ali Ipek, Sinem Sigit Ikiz, Bulent Bektaser, Mehmet Gumus
OBJECTIVES: Elastography is a new sonographic technique that evaluates the elasticity of different tissues such as the Achilles tendon. In this study, we aimed to investigate the elastographic findings of Achilles tendons in professional athletes in comparison with healthy volunteers. METHODS: Twenty-one professional male volleyball players with no history of Achilles trauma were included in this study. Twenty-one healthy male volunteers with similar ages and body mass indices were selected as control participants...
December 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27855131/patellar-tendinopathy-diagnosis-and-treatment
#5
David Figueroa, Francisco Figueroa, Rafael Calvo
Patellar tendinopathy is a common cause of pain in athletes' knees. Historically, it has been related to jumping sports, such as volleyball and basketball. Repetitive jumping generates a considerable load of energy in the extensor mechanism, leading to symptoms. The main pathophysiologic phenomenon in patellar tendinopathy is tendinosis, which is a degenerative disorder rather than an inflammatory disorder; therefore, the other popular term for this disease, tendinitis, is not appropriate. The nonsurgical treatment of patellar tendinopathy is focused on eccentric exercises and often has good results...
December 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27853442/predicting-volleyball-serve-reception
#6
Ana Paulo, Frank T J M Zaal, Sofia Fonseca, Duarte Araújo
Serve and serve-reception performance have predicted success in volleyball. Given the impact of serve-reception on the game, we aimed at understanding what it is in the serve and receiver's actions that determines the selection of the type of pass used in serve-reception and its efficacy. Four high-level volleyball players received jump-float serves from four servers in two reception zones-zone 1 and 5. The ball and the receiver's head were tracked with two video cameras, allowing 3D world-coordinates reconstruction...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27834570/evolution-of-game-s-demands-from-young-to-elite-players-in-men-s-volleyball
#7
Antonio García-de-Alcaraz Serrano, David Valadés, José M Palao
PURPOSE: The purpose of this study was to assess the evolution of the game's demands throughout players' development in men's volleyball. METHODS: A total of 150 sets and 6.671 rallies were analysed. The sample was composed of 30 sets each by under-14, under-16, under-19, national senior, and international senior teams (1.291, 1.318, 1.310, 1.372 and 1.380 rallies for each category, respectively). Sets included in the sample were stratified and then randomly selected...
November 11, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27827880/wearable-imu-for-shoulder-injury-prevention-in-overhead-sports
#8
Samir A Rawashdeh, Derek A Rafeldt, Timothy L Uhl
Body-worn inertial sensors have enabled motion capture outside of the laboratory setting. In this work, an inertial measurement unit was attached to the upper arm to track and discriminate between shoulder motion gestures in order to help prevent shoulder over-use injuries in athletics through real-time preventative feedback. We present a detection and classification approach that can be used to count the number of times certain motion gestures occur. The application presented involves tracking baseball throws and volleyball serves, which are common overhead movements that can lead to shoulder and elbow overuse injuries...
November 3, 2016: Sensors
https://www.readbyqxmd.com/read/27820725/training-strategies-to-improve-muscle-power-is-olympic-style-weightlifting-relevant
#9
Christian Helland, Eirik Hole, Erik Iversen, Monica Charlotte Olsson, Olivier Seynnes, Paul Andre Solberg, Gøran Paulsen
INTRODUCTION: This efficacy study investigated the effects of (1) Olympic-style weightlifting (OWL), (2) motorized strength and power training (MSPT), and (3) free weight strength and power training (FSPT) on muscle power. METHODS: Thirty-nine young athletes (20±3 yr.; ice hockey, volleyball and badminton) were randomized into the three training groups. All groups participated in 2-3 sessions/week for 8 weeks. The MSPT and FSPT groups trained using squats (two legs and single leg) with high force and high power, while the OWL group trained using clean and snatch exercises...
November 3, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27813683/shoulder-rotator-strength-range-of-motion-and-acromiohumeral-distance-in-asymptomatic-adolescent-volleyball-attackers
#10
Gulcan Harput, Hande Guney, Ugur Toprak, Tunca Kaya, Fatma Filiz Colakoglu, Gul Baltaci
CONTEXT: Sport-specific adaptations at the glenohumeral joint could occur in adolescent athletes because they start participating in high-performance sports in early childhood. OBJECTIVE: To investigate shoulder-rotator strength, internal-rotation (IR) and external-rotation (ER) range of motion (ROM), and acromiohumeral distance (AHD) in asymptomatic adolescent volleyball attackers to determine if they have risk factors for injury. DESIGN: Cross-sectional study...
September 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27807521/assessment-of-isokinetic-muscle-function-in-korea-male-volleyball-athletes
#11
Chang-Gyun Kim, Bog Ja Jeoung
Volleyball players performed numerous repetitions of spike actions, which uses and requires strong and explosive force, and control of the muscles of the shoulder, lower back, and legs. Muscle imbalance is one of the main causes of sport injuries. The purpose of this study was to assess isokinetic muscle functions in male volleyball players. We thus aim to accurately evaluate their muscle functions, and identify the best training strategy to achieve optimal muscle strength balance in future training programs...
October 2016: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/27792220/anterior-cruciate-ligament-injury-profile-in-italian-serie-a1-a2-women-s-volleyball-league
#12
Francesca Devetag, Massimiliano Mazzilli, Roberto Benis, Antonio La Torre, Matteo Bonato
BACKGROUND: The aim of this study was to assess how anterior cruciate ligament (ACL) ruptures with subsequently surgery reconstruction were sustaining during the professional career of women's' volleyball players of A1-A2 Italian volleyball league. METHODS: Using an observational study with a retrospective case-series design for ACL ruptures, 125 teams with 1488 players were monitored. Subjects had to report level, role, injury modality, lower limb injured, laterality, period of the season and age...
October 28, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27781979/scapholunate-interosseous-ligament-injury-in-professional-volleyball-players
#13
R Mugnai, N Della Rosa, L Tarallo
Injuries to the scapholunate interosseous ligament (SLIL) are the most common cause of carpal instability. A SLIL injury typically follows a fall on an outstretched hand, with the wrist in hyperextension, ulnar deviation and intercarpal supination. We hypothesize that repetitive axial loading on the wrist in hyperextension, during the reception and digging motions of volleyball, can lead to functional overloading of the SLIL. To identify patients and to determine the clinical history and surgical treatment performed, we analyzed hospital records, X-rays, electronic databases containing all the operations performed, and image files (including before and after surgery and follow-up)...
October 2016: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/27770081/thoracic-outlet-syndrome-in-a-volleyball-player-due-to-nonunion-of-the-first-rib-fracture
#14
Kathleen T Puttmann, Bhagwan Satiani, Patrick Vaccaro
Fracture of the first rib with ensuing callus formation is a rare cause of thoracic outlet syndrome. We report a case of a 17-year-old female volleyball player who presented with months of chronic arm pain. Radiographic imaging demonstrated nonunion fracture of the first rib. Physical therapy had been unsuccessful in relieving the pain, and surgical management was performed with resection of the first rib through a transaxillary approach with complete resolution of symptoms. Inflammation surrounding such fractures may destroy tissue planes, making dissection more technically difficult...
October 20, 2016: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27761474/generalized-joint-laxity-and-ligament-injuries-in-high-school-aged-female-volleyball-players-in-japan
#15
Ted Sueyoshi, Gen Emoto, Tomoki Yuasa
BACKGROUND: Generalized joint laxity has been linked to ligamentous injuries such as anterior cruciate ligament tear and ankle sprain. PURPOSE/HYPOTHESIS: The purpose of this study was to investigate generalized joint laxity and incidence of ligament injuries in high school-aged female volleyball players. It was hypothesized that volleyball players with a past history of sprains would have increased generalized joint laxity compared with those without any history and that athletes with multiple sprains would demonstrate with a higher generalized joint laxity score than those who had only 1 sprain...
October 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27755010/neuromuscular-training-availability-and-efficacy-in-preventing-anterior-cruciate-ligament-injury-in-high-school-sports-a-retrospective-cohort-study
#16
Jared J Murray, Colleen M Renier, Jenny J Ahern, Barbara A Elliott
OBJECTIVE: To document neuromuscular training (NMT) availability and its relationship to anterior cruciate ligament (ACL) injuries in 4 major high school sports by gender, sport, and rural/urban geography, with the hypothesis that increased exposure to NMT would be associated with fewer ACL injuries. DESIGN: A retrospective cohort study. SETTING: All Minnesota high schools identified in the Minnesota State High School League (MSHSL) database for fall 2014 boys' football and soccer, and girls' volleyball and soccer...
October 17, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27747795/oxidative-stress-in-female-athletes-using-combined-oral-contraceptives
#17
Sabina Cauci, Cinzia Buligan, Micaela Marangone, Maria Pia Francescato
BACKGROUND: Oxidative stress in female athletes is understudied. We investigated oxidative stress in sportswomen of different disciplines according to combined oral contraceptive (OC) use and lifestyle/alimentary habits. METHODS: Italian sportswomen (n = 144; mean age 23.4 ± 4.2 years; body mass index 21.2 ± 2.2 kg m(-2); sport activity 9.2 ± 4.1 h week(-1)) were analyzed; 48 % were volleyball players, 12.5 % soccer players, 10.4 % track-and-field sports, and followed by other disciplines' athletes...
December 2016: Sports Medicine—Open
https://www.readbyqxmd.com/read/27733099/modelling-and-simulation-for-table-tennis-referee-regulation-based-on-finite-state-machine
#18
Jianjiang Cui, Zixuan Liu, Long Xu
As referee's decisions are made artificially in traditional table tennis matches, many factors in a match, such as fatigue and subjective tendency, may lead to unjust decision. Based on finite state machine (FSM), this paper presents a model for table tennis referee regulation to substitute manual decisions. In this model, the trajectory of the ball is recorded through a binocular visual system while the complete rules extracted from the International Table Tennis Federation (ITTF) rules are described based on FSM...
October 13, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27732653/seasonal-vitamin-d-status-in-polish-elite-athletes-in-relation-to-sun-exposure-and-oral-supplementation
#19
Jaroslaw Krzywanski, Tomasz Mikulski, Hubert Krysztofiak, Marcel Mlynczak, Ewa Gaczynska, Andrzej Ziemba
Vitamin D does not only influence the musculoskeletal health and mineral homeostasis but it also affects cardiovascular, endocrine, nervous, immune and mental functions, thus it is of considerable importance for both physically active people and elite athletes. However, vitamin D deficiency is common worldwide and results from inadequate endogenous skin synthesis (insufficient ultraviolet B exposure) and diet. To improve the vitamin D status elite athletes often travel to lower latitude during winter. The aim of the study was to evaluate the seasonal vitamin D status in Polish elite athletes according to the sun exposure and oral supplementation...
2016: PloS One
https://www.readbyqxmd.com/read/27665249/intra-rater-reliability-and-agreement-of-various-methods-of-measurement-to-assess-dorsiflexion-in-the-weight-bearing-dorsiflexion-lunge-test-wblt-among-female-athletes
#20
Argia Langarika-Rocafort, José Ignacio Emparanza, José F Aramendi, Julen Castellano, Julio Calleja-González
OBJECTIVES: To examine the intra-observer reliability and agreement between five methods of measurement for dorsiflexion during Weight Bearing Dorsiflexion Lunge Test and to assess the degree of agreement between three methods in female athletes. DESIGN: Repeated measurements study design. SETTING: Volleyball club. PARTICIPANTS: Twenty-five volleyball players. MAIN OUTCOME MEASUREMENTS: Dorsiflexion was evaluated using five methods: heel-wall distance, first toe-wall distance, inclinometer at tibia, inclinometer at Achilles tendon and the dorsiflexion angle obtained by a simple trigonometric function...
June 29, 2016: Physical Therapy in Sport
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