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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
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
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
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
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
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
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
Dimitrios Challoumas, Antonio Stavrou, Georgios Dimitrakakis
In volleyball, the dominant shoulder of the athlete undergoes biomechanical and morphological adaptations; however, definitive conclusions about their exact nature, aetiology, purpose and associations with shoulder injury have not been reached. We present a systematic review of the existing literature describing biomechanical adaptations in the dominant shoulders of volleyball players and factors that may predispose to shoulder pain/injury. A thorough literature search via Medline, EMBASE and SCOPUS was conducted for original studies of volleyball players and 15 eligible articles were identified...
September 23, 2016: Sports Biomechanics
Mehmet Mesut Çelebi, Serdal Kenan Köse, Zehra Akkaya, Ali Murat Zergeroglu
INTRODUCTION AND PURPOSE: VISA-P questionnaire assesses to severity of symptoms and treatment effects in athletes with patellar tendinopathy. The purpose of this study was to translated VISA-P questionnaire into Turkish language and to determine its validity and reliability. METHODS: The English version of VISA-P questionnaire was translated into Turkish according to the internationally recommended guidelines. Test-retest reliability was determined on 89 participants with time interval 24 h...
2016: SpringerPlus
Changsop Yang, Eunyoung Lee, Eui-Hyoung Hwang, Ojin Kwon, Jun-Hwan Lee
The purpose of this study was to report the current state of Korean medicine (KM) treatment on sports injury by implementing survey with volleyball team medical doctors participating in 2013-2014 season. Six KM doctors completed a questionnaire that includes injury parameters: type, location, situation, and pain scores. We collected 166 injury cases from 94 Korean male and female national volleyball players. Knee (25.9%), low back (13.3%), elbow, and ankle (8.4%) injuries were most common. Joint (41.6%) and muscle (30...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
Alexander Gil-Arias, M Perla Moreno, Alex García-Mas, Alberto Moreno, Luíz García-González, Fernando Del Villar
The objective of this study was to apply a decision training programme, based on the use of video-feedback and questioning, in real game time, in order to improve decision-making in volleyball attack actions. A three-phase quasi-experimental design was implemented: Phase A (pre-test), Phase B (Intervention) and Phase C (Retention). The sample was made up of 8 female Under-16 volleyball players, who were divided into two groups: experimental group (n = 4) and control group (n = 4). The independent variable was the decision training program, which was applied for 11 weeks in a training context, more specifically in a 6x6 game situation...
2016: Spanish Journal of Psychology
Ingo Helmich
BACKGROUND: Concussions are common incidences in sports. However, game-specific characteristics such as tactics, field positions, etc. might positively/negatively contribute to the occurrence of mild traumatic brain injuries (mTBI) in various sports such as soccer, volleyball, handball, or basketball. Thus, the intention of this study was to analyze game- specific characteristics of concussive incidents in active players from the perspective of different sportive disciplines. METHODS: Four sport-specific questionnaires for soccer, handball, volleyball and basketball were established using an online survey tool...
September 14, 2016: Journal of Sports Medicine and Physical Fitness
Sung Joon Yun, Moon-Hwan Kim, Jong-Hyuck Weon, Young Kim, Sung-Hoon Jung, Oh-Yun Kwon
[Purpose] This study assessed the relationships between peak toe flexor muscle strength, ankle dorsiflexion range of motion, and countermovement jump height. [Subjects and Methods] Eighteen healthy volunteers participated in the study. Each participant completed tests for peak toe flexor muscle strength, ankle dorsiflexion range of motion, and countermovement jump height. [Results] The results showed (1) a moderate correlation between ankle dorsiflexion range of motion and countermovement jump height and (2) a high correlation between peak first toe flexor muscle strength and countermovement jump height...
August 2016: Journal of Physical Therapy Science
Ilias Smilios, Konstantinos Sotiropoulos, Karolina Barzouka, Marios Christou, Savvas P Tokmakidis
PURPOSE: This study examined the acute effects of contrast loading on mechanical power output during bench-press throws in junior volleyball players. METHOD: Eleven males (age: 16.5±0.5 years) performed a contrast loading and a control protocol. The contrast protocol included the execution of 3 bench-throws with a 30% load of 1RM, after 3 min a conditioning set of 5 bench-throws with a 60% load of 1RM and after 3 and 5 min two more sets of 3 bench-throws with a 30% load of 1RM...
September 6, 2016: Pediatric Exercise Science
Carmelo M Vicario, Stergios Makris, Cosimo Urgesi
Accurate encoding of the spatio-temporal properties of others' actions is essential for the successful implementation of daily activities and, even more, for successful sportive performance, given its role in movement coordination and action anticipation. Here we investigated whether athletes are provided with special perceptual processing of spatio-temporal properties of familiar sportive actions. Basketball and volleyball players and novices were presented with short video-clips of free basketball throws that were partially occluded ahead of realization and were asked to judge whether a subsequently presented pose was either taken from the same throw depicted in the occluded video (action identification task) or temporally congruent with the expected course of the action during the occlusion period (explicit timing task)...
September 7, 2016: Psychological Research
Michael B Miller, Cleverick D Johnson, Ralph A Cooley, Holly Sharp, Thomas A Servos
This survey recorded utilization levels of stock and custom mouthguards among middle and high school athletes in a US metropolitan area and gathered data on the prevalence of traumatic injuries that have occurred as a consequence of school-based athletic competition. The data also included reasons for the athletes' noncompliance. A 23-question, online survey form was developed. A geographically diverse list of public and private schools in the Houston metropolitan area was identified and included 30 public middle schools, 32 public high schools, 8 private middle schools, and 10 private high schools...
September 2016: General Dentistry
Caleb D Bazyler, Timothy J Suchomel, Christopher J Sole, Satoshi Mizuguchi, Michael H Stone
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
James Presley, Stephen Wisniewski
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
Christy Hudson, J Craig Garrison, Kalyssa Pollard
OBJECTIVE: The Lower Quarter Y Balance (YBT-LQ) Test performance varies depending on competitive level, sport, gender, and age; therefore, determining normative scores specific to a population may be helpful in identifying injury-risk thresholds and return-to-play criteria following an injury. The purpose of this study was to determine normative YBT-LQ scores by assessing a subset of female, Division I volleyball players. DESIGN: A descriptive analysis cohort study...
May 26, 2016: Physical Therapy in Sport
Paula C Charlton, Claire Kenneally-Dabrowski, Jeremy Sheppard, Wayne Spratford
OBJECTIVES: Evaluate the validity of a commercially available wearable device, the Vert, for measuring vertical displacement and jump count in volleyball athletes. Propose a potential method of quantifying external load during training and match play within this population. DESIGN: Validation study. METHODS: The ability of the Vert device to measure vertical displacement in male, junior elite volleyball athletes was assessed against reference standard laboratory motion analysis...
August 5, 2016: Journal of Science and Medicine in Sport
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