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https://www.readbyqxmd.com/read/28644776/eye-injuries-in-high-school-and-collegiate-athletes
#1
Barry P Boden, Lauren A Pierpoint, Rebecca G Boden, R Dawn Comstock, Zachary Y Kerr
BACKGROUND: Although eye injuries constitute a small percentage of high school and college sports injuries, they have the potential to be permanently debilitating. HYPOTHESIS: Eye injury rates will vary by sport, sex, and between the high school and college age groups. STUDY DESIGN: Descriptive epidemiology study. LEVEL OF EVIDENCE: Level 3. METHODS: Data from eye injury reports in high school and college athletes were obtained from the National High School Sports-Related Injury Surveillance System, High School Reporting Information Online (HS RIO) database over a 10-year span (2005-2006 through 2014-2015 school years) and the National Collegiate Athletic Association (NCAA) Injury Surveillance Program (ISP) over an 11-year span (2004-2005 through 2014-2015 school years)...
June 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28644678/professional-athletes-return-to-play-and-performance-after-operative-repair-of-an-achilles-tendon-rupture
#2
David P Trofa, J Chance Miller, Eugene S Jang, Denzel R Woode, Justin K Greisberg, J Turner Vosseller
BACKGROUND: Most Achilles tendon ruptures are sports related. However, few studies have examined and compared the effect of surgical repair for complete ruptures on return to play (RTP), play time, and performance across multiple sports. PURPOSE: To examine RTP and performance among professional athletes after Achilles tendon repair and compare pre- versus postoperative functional outcomes of professional athletes from different major leagues in the United States...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28644113/the-importance-and-development-of-ball-control-and-self-reported-self-regulatory-skills-in-basketball-players-for-different-positions
#3
Sanne Cornelia Maria Te Wierike, Barbara Catharina Helena Huijgen, Laura Jonker, Marije Titia Elferink-Gemser, Chris Visscher
This study first investigated the importance of ball control and (self-reported) self-regulatory skills in achieving the elite level in basketball. The second aim was to gain insight into the development of, and association between ball control and (self-reported) self-regulatory skills that contribute to achieving the elite level, with taking into account positional differences. Talented male players (N = 73; age 16.56 ± 1.96) completed the STARtest to measure ball control and a questionnaire to measure (self-reported) self-regulation from 2008-2012...
June 23, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28636479/decrements-in-knee-extensor-and-flexor-strength-are-associated-with-performance-fatigue-during-simulated-basketball-game-play-in-adolescent-male-players
#4
Aaron T Scanlan, Jordan L Fox, Nattai R Borges, Anne Delextrat, Tania Spiteri, Vincent J Dalbo, Robert Stanton, Crystal O Kean
This study quantified lower-limb strength decrements and assessed the relationships between strength decrements and performance fatigue during simulated basketball. Ten adolescent, male basketball players completed a circuit-based, basketball simulation. Sprint and jump performance were assessed during each circuit, with knee flexion and extension peak concentric torques measured at baseline, half-time, and full-time. Decrement scores were calculated for all measures. Mean knee flexor strength decrement was significantly (P < 0...
June 21, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28636435/effects-of-a-contrast-training-programme-on-jumping-sprinting-and-agility-performance-of-prepubertal-basketball-players
#5
Pedro Ángel Latorre Román, Francisco Javier Villar Macias, Felipe García Pinillos
The purpose of this study was to examine the effects of a 10 week contrast training (CT) programme (isometric + plyometric) on jumping, sprinting abilities and agility performance in prepubertal basketball players. Fifty-eight children from a basketball academy (age: 8.72 ± 0.97 years; body mass index: 17.22 ± 2.48 kg/m(2)) successfully completed the study. Participants were randomly assigned to experimental groups (EG, n = 30) and control groups (CG, n = 28). The CT programme was included in the experimental group's training sessions - twice a week - as part of their usual weekly training regime...
June 21, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28630833/anti-inflammatory-prophylaxis-prevents-heterotopic-ossification-in-contralateral-side-hip-arthroscopy-a-case-report
#6
Yaniv Warschawski, Zachary T Sharfman, Eyal Amar, Ehud Rath
INTRODUCTION: Heterotopic ossification (HO) after hip surgery is the formation of bone in non-skeletal tissue, usually between the muscle and the joint capsule. HO after hip surgery may be associated with clinical sequelae such as pain, impingement and decreased range of motion, compromising surgical outcomes. CASE REPORT: A 20-year-old basketball player presented with a 2-year duration of the left groin pain after a basketball-related injury. Due to continued disability and failure of conservative management the patient underwent hip arthroscopy...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630582/doubly-disadvantaged-the-relative-age-effect-in-poland-s-basketball-players
#7
Krystian Rubajczyk, Kamil Świerzko, Andrzej Rokita
The aim of this study was to identify the relative age effect (RAE) in young Polish male (n = 3849) and female (n = 3419) basketball players aged 14 to 22 years competing in the elite games of the Polish Youth Championships. The distribution of birth dates, body height, players' match statistics, and the results of teams participating in championships were identified. The RAE was observed in male and female group, regardless of players age. Nevertheless, the greatest disproportion in the distribution of dates of birth was found in U16 group of boys (V = 0...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28620336/how-to-trick-your-opponent-a-review-article-on-deceptive-actions-in-interactive-sports
#8
REVIEW
Iris Güldenpenning, Wilfried Kunde, Matthias Weigelt
Performing deceptive actions is a wide-spread phenomenon in sports and it is of considerable practical relevance to know whether or not a fake or a disguised action decreases the opponents' performance. Therefore, research on deceptive actions for various sport disciplines (e.g., cricket, rugby, martial arts, soccer, and basketball) has been conducted. This research is scattered, both across time and scientific disciplines. Here, we aim to systematically review the empirical work on deceptive actions in interactive sports and want to give an overview about several issues investigated in the last decades...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28619447/similar-movements-are-associated-with-drastically-different-muscle-contraction-velocities
#9
Daniel A Hagen, Francisco J Valero-Cuevas
We investigated how kinematic redundancy interacts with the neurophysiological control mechanisms required for smooth and accurate, rapid limb movements. Biomechanically speaking, tendon excursions are over-determined because the rotation of few joints determines the lengths and velocities of many muscles. But how different are the muscle velocity profiles induced by various, equally valid hand trajectories? We used an 18-muscle sagittal-plane arm model to calculate 100,000 feasible shoulder, elbow, and wrist joint rotations that produced valid basketball free throws with different hand trajectories, but identical initial and final hand positions and velocities...
May 31, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28604286/growth-functional-capacities-and-motivation-for-achievement-and-competitiveness-in-youth-basketball-an-interdisciplinary-approach
#10
Humberto Moreira Carvalho, Carlos E Gonçalves, Dave Collins, Roberto R Paes
The interaction of multiple influences on the path to sport success is not yet fully understood by sport scientists. In this study, we examined variation in body size, functional capacities and motivation for achievement, competitiveness and deliberate practice of youth basketball players associated with differences in biological maturity status, chronological age and years of training experience. Reflecting the importance of interactive effects, we examined the relationships between the psychological variables and functional capacities...
June 12, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28603786/how-anterior-cruciate-ligament-injury-was-averted-during-knee-collapse-in-a-nba-point-guard
#11
Nathan D Schilaty, Nathaniel A Bates, Aaron J Krych, Timothy E Hewett
Non-contact anterior cruciate ligament (ACL) injuries occur with rapid decelerations and pivoting. A recent injury to a high-level National Basketball Association (NBA) player demonstrated neuromuscular control and injury-sparing mechanisms that resulted in only minor ligament injury to the medial collateral ligament. We analyzed biomechanical mechanisms via publically available orthogonal 2-D video to demonstrate how this potential ACL injury was averted. Analysis of the knee injury mechanism demonstrated that the NBA player experienced low ground reaction force, high sagittal plane flexion, and maintenance of frontal plane stability with neuromuscular control...
2017: Ann Musculoskelet Med
https://www.readbyqxmd.com/read/28603784/association-between-years-of-experience-and-ankle-joint-disorder-in-male-student-basketball-players-based-on-ultrasonography
#12
Yaeko Fukushima
PURPOSE: The goal of the study was to survey ankle joint disorder in male senior high school and college student basketball players based on the results of an ultrasonographic medical check-up of the ankle joint. MATERIALS AND METHODS: The subjects were 17 senior high school student and 19 college student basketball players. Ultrasonography, evaluation of ATFL injury, and examination of the talocrural joint region were performed. The subjects were grouped based on the presence or absence of old ATFL injury, and subjects with ATFL injury were classified by the injured region: fibular insertion site, parenchyma, and talar insertion site...
April 2017: Ultrasound International Open
https://www.readbyqxmd.com/read/28600149/retinal-detachment-associated-with-basketball-related-eye-trauma
#13
Tsung-Han Lee, Yi-Hao Chen, Hsi-Kung Kuo, Yung-Jen Chen, Chih-Hsin Chen, Jong-Jer Lee, Pei-Chang Wu
PURPOSE: Basketball is a popular sport involving significant body contact, which may frequently result in ocular trauma. The aim of this study was to evaluate the characteristics and visual outcomes of retinal detachment associated with basketball-related injury. DESIGN: Retrospective, interventional case series. METHODS: We reviewed the course of patients who sustained traumatic retinal detachment from basketball-related ocular trauma between 2003 and 2015...
June 6, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28597614/the-effects-of-two-different-explosive-strength-training-programs-on-vertical-jump-performance-in-basketball
#14
Simone Ciacci, Sandro Bartolomei
BACKGROUND: The aim of this study was to compare the effects of two different training programs oriented to improve vertical jump performance and leg stiffness in basketball players. METHODS: Fifty-eight male basketball players were involved, divided into three age groups (Senior, U19 and U17). Subsequently, within any age group, the players were randomly divided into two training groups, respectively performing a 16-week "hang-clean" training program (HCL), and a "half-squat" training program (HSQ), lasting for the same duration...
June 8, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28587794/biomechanical-analysis-of-ankle-ligamentous-sprain-injury-cases-from-televised-basketball-games-understanding-when-how-and-why-ligament-failure-occurs
#15
Emmanouil Panagiotakis, Kam-Ming Mok, Daniel Tik-Pui Fong, Anthony M J Bull
OBJECTIVES: Ankle sprains due to landing on an opponent's foot are common in basketball. There is no analysis to date that provides a quantification of this injury mechanism. The aim of this study was to quantify the kinematics of this specific injury mechanism and relate this to lateral ankle ligament biomechanics. DESIGN: Case series. METHODS: The model-based image-matching technique was used to quantify calcaneo-fibular-talar kinematics during four ankle inversion sprain injury incidents in televised NBA basketball games...
May 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28570489/possible-hormone-predictors-of-physical-performance-in-adolescent-team-sport-athletes
#16
Alanna C Martin, Ian T Heazlewood, Cecilia M Kitic, Isabelle Lys, Liam Johnson
The research aim of this study was to determine possible hormone predictors of physical performance in adolescent team sport athletes. Saliva samples were collected immediately prior to performance testing sessions from 114 state squad athletes (77 male, 37 female) participating in either Australian football, basketball, hockey, or netball. Participants completed tests of aerobic and anaerobic capacity, agility, power and speed. Samples were collected over 22 months at quarterly, six-monthly and/or yearly intervals depending on the testing schedule of the athlete...
May 30, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28568314/greater-circadian-disadvantage-during-evening-games-for-the-national-basketball-association-nba-national-hockey-league-nhl-and-national-football-league-nfl-teams-travelling-westward
#17
Jonathan Roy, Geneviève Forest
We investigated the effects of a circadian disadvantage (i.e. playing in a different time zone) on the winning percentages in three major sport leagues in North America: the National Basketball Association, the National Hockey League and the National Football League. We reviewed 5 years of regular season games in the National Basketball Association, National Hockey League and National Football League, and noted the winning percentage of the visiting team depending on the direction of travel (west, east, and same time zone) and game time (day and evening games)...
June 1, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28566812/determinants-of-the-effectiveness-of-fast-break-actions-in-elite-and-sub-elite-italian-men-s-basketball-games
#18
D Conte, T G Favero, M Niederhausen, L Capranica, A Tessitore
The aim of this study was to examine the determinants of successful and unsuccessful fast-break (FB) actions in elite and sub-elite basketball games. Fifteen 1(st)-division (elite) and fifteen 3(rd)-division (sub-elite) Italian men's championship games were analysed across two seasons (2012/2013 and 2013/2014). A binary logistic regression analysis was performed, and the fast-break outcome (successful vs. unsuccessful) was adopted as the dependent variable separately in both elite and sub-elite games. FB execution (initiation, advance and completion phases), typology (primary and secondary break) and the number of players involved (equal number or superiority) were used as independent variables...
June 2017: Biology of Sport
https://www.readbyqxmd.com/read/28561862/a-volunteer-basketball-clinic-for-children-with-disabilities-professional-development-impact-on-student-athletes-and-physical-therapy-students
#19
Peter Altenburger, Anne M Wilson
The purpose of this study was to assess the change in perceptions of student-athletes, physical therapy students, and parents of children who helped to facilitate an athletic skills camp for children with disabilities. Participants experienced 3 hours of basketball activity yearly. Data were collected for 3 consecutive years from a total of 51 parents, 15 student-athletes, and 22 physical therapy students. Pre- and post-survey data were evaluated by two independent researchers. Common themes were developed for all participant groups and cross-group comparisons were evaluated...
2017: Journal of Allied Health
https://www.readbyqxmd.com/read/28543847/validation-of-sensewear-armband-in-children-adolescents-and-adults
#20
Guillermo Antonio Lopez, Jan Christian Brønd, Lars Bo Andersen, Magnus Dencker, Daniel Arvidsson
BACKGROUND: SenseWear Armband (SW) is a multisensor monitor to assess physical activity and energy expenditure. Its prediction algorithms have been updated periodically. PURPOSE: To validate SW in children, adolescents and adults. METHODS: The most recent SW algorithm 5.2 (SW5.2) and the previous version 2.2 (SW2.2) were evaluated for estimation of energy expenditure during semi-structured activities in 35 children, 31 adolescents and 36 adults with indirect calorimetry as reference...
May 24, 2017: Scandinavian Journal of Medicine & Science in Sports
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