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Leo Ng, Simon M Rosalie, Dorianne Sherry, Wei Bing Loh, Andreas M Sjurseth, Shrikant Iyengar, Catherine Y Wild
Research has revealed that field hockey drag flickers have greater odds of hip and lumbar injuries compared to non-drag flickers (DF). This study aimed to compare the biomechanics of a field hockey hit and a specialised field hockey drag flick. Eighteen male and seven female specialised hockey DF performed a hit and a drag flick in a motion analysis laboratory with an 18-camera three-dimensional motion analysis system and a calibrated multichannel force platform to examine differences in lower limb and lumbar kinematics and kinetics...
March 1, 2018: Journal of Sports Sciences
Sandro Bartolomei, Federico Nigro, Luca Gubellini, Simone Ciacci, Franco Merni, Filippo Treno, Matteo Cortesi, Gabriele Semprini
The purpose of the present study was to compare the anthropometric and performance profiles of division I (D1) and division II (D2) Italian field hockey players.Fifteen DI players and fifteen D2 players (age = 25.4 ± 5.2 y; body mass = 78.5 ± 9.0 kg; body height = 179.6 ± 7.8 cm) were assessed on one occasion for anthropometry, body composition, physiological measurements and sport-specific skills. Differences between the two groups were evaluated using a one-way analysis of variance. Pearson correlations were used to examine relationships between the different measurements...
February 20, 2018: Journal of Strength and Conditioning Research
Saulo Delfino Barboza, Corey Joseph, Joske Nauta, Willem van Mechelen, Evert Verhagen
Page 1: The listing of the author names and affiliations, which previously read.
February 14, 2018: Sports Medicine
Andrew S Perrotta, Jack E Taunton, Michael S Koehle, Matthew D White, Darren E R Warburton
This study examined the congruence between the prescribed and experienced heart rate derived training loads over a five week periodized mesocycle. Twenty-four elite female field hockey players training as part of a national team were monitored prior to an (FIH) Hockey World League tournament. Three on-field training sessions per week were prospectively designed focusing on technical, tactical, and physiologically-oriented hockey drills. A training load value, modelling the periodized weekly loading scheme, was prescribed for each training session and was calculated using normative training load responses from performing on-field hockey drills...
February 6, 2018: Journal of Strength and Conditioning Research
Stephan van der Zwaard, Franck Brocherie, Bengt L G Kom, Grégoire P Millet, Louise Deldicque, Willem J van der Laarse, Olivier Girard, Richard T Jaspers
In this study, we investigate adaptations in muscle oxidative capacity, fiber size and oxygen supply capacity in team-sport athletes after six repeated-sprint sessions in normobaric hypoxia or normoxia combined with 14 days of chronic normobaric hypoxic exposure. Lowland elite field hockey players resided at simulated altitude ({greater than or equal to}14 h∙d-1 at 2800-3000 m) and performed regular training plus six repeated-sprint sessions in normobaric hypoxia (3000 m; LHTLH; n=6) or normoxia (0 m, LHTL; n=6) or lived at sea level with regular training only (LLTL; n=6)...
February 8, 2018: Journal of Applied Physiology
Aideen McGuinness, Shane Malone, Brian Hughes, Kieran Collins
The aim of the current investigation was to quantify the physical and physiological demands of elite international female field hockey across the quarters of match-play. Twenty-seven elite International female field hockey outfield players (23 ± 3 years; 162.6 ± 13.0 cm; 66.0 ± 6.0 kg) participated in the current observational study during the 2016-2017 season. Participants were monitored with GPS technology and HR monitors. Players were categorised based on three different playing positions. Activity was categorized into total distance (m), relative total distance (RTD), low, moderate and high intensity distance (m), max velocity (km⋅h), and percentage maximal velocity (%)...
February 1, 2018: Journal of Strength and Conditioning Research
S D Barboza, J Nauta, M van der Pols, W van Mechelen, E A L M Verhagen
This study describes the prevalence, incidence density, severity, and nature of injuries in elite field hockey players over the Dutch 2015-2016 season. Eighty players answered a baseline questionnaire and were subsequently followed-up every 2 weeks to report the hours spent on training/competition and experienced injuries, which were registered using the Oslo Sports Trauma Research Centre Questionnaire on Health Problems. Of the 74 players included in the analysis, 52 (70%) reported 112 injuries. Eighty-seven injuries (78%) received medical attention, and 56 (50%) led to training/competition time loss...
January 29, 2018: Scandinavian Journal of Medicine & Science in Sports
Saulo Delfino Barboza, Corey Joseph, Joske Nauta, Willem van Mechelen, Evert Verhagen
BACKGROUND: To commence injury prevention efforts, it is necessary to understand the magnitude of the injury problem. No systematic reviews have yet investigated the extent of injuries in field hockey, despite the popularity of the sport worldwide. OBJECTIVE: Our objective was to describe the rate and severity of injuries in field hockey and investigate their characteristics. METHODS: We conducted electronic searches in PubMed, Embase, SPORTDiscus, and CINAHL...
January 3, 2018: Sports Medicine
Bernadette K Johnson, Lina Brou, Sarah K Fields, Alexandria N Erkenbeck, R Dawn Comstock
BACKGROUND: The risk of hand/wrist injuries is present across various sports. Little is known about the epidemiology of such injuries. The objective of this study was to calculate the rates of hand/wrist injuries and investigate injury patterns among high school athletes. METHODS: Athlete exposure (AE) and hand/wrist injury data were collected during 11 academic years, 2005/06 through 2015/16, from a large sample of US high schools as part of the National High School Sports-Related Injury Surveillance Study...
December 2017: Pediatrics
Oliver Faude, Roland Rössler, Erich J Petushek, Ralf Roth, Lukas Zahner, Lars Donath
Objective: Neuromuscular injury prevention programs (IPP) can reduce injury rate by about 40% in youth sport. Multimodal IPP include, for instance, balance, strength, power, and agility exercises. Our systematic review and meta-analysis aimed to evaluate the effects of multimodal IPP on neuromuscular performance in youth sports. Methods: We conducted a systematic literature search including selected search terms related to youth sports, injury prevention, and neuromuscular performance. Inclusion criteria were: (i) the study was a (cluster-)randomized controlled trial (RCT), and (ii) investigated healthy participants, up to 20 years of age and involved in organized sport, (iii) an intervention arm performing a multimodal IPP was compared to a control arm following a common training regime, and (iv) neuromuscular performance parameters (e...
2017: Frontiers in Physiology
Blair T Crewther, David Hamilton, Liam P Kilduff, Scott Drawer, Christian J Cook
OBJECTIVES: To investigate the effect of oral contraceptive (OC) use on salivary testosterone (sal-T) concentrations and performance-related statistics in international field hockey matches. DESIGN: A cohort observational study with repeated measures. METHODS: Twenty-three elite female athletes were monitored across four international field hockey matches over a nine-day period. Salivary T was assessed 45min before each match and several match performance statistics were collated; load (i...
September 29, 2017: Journal of Science and Medicine in Sport
Anna Hauser, Severin Troesch, Thomas Steiner, Franck Brocherie, Olivier Girard, Jonas J Saugy, Laurent Schmitt, Grégoire P Millet, Jon P Wehrlin
It has been proposed that athletes with high initial values of hemoglobin mass (Hbmass ) will have a lower Hbmass increase in response to 'live high-train low' (LHTL) altitude training. To verify this assumption, the relationship between initial absolute and relative Hbmass values and their respective Hbmass increase following LHTL in male endurance and team-sport athletes was investigated. Overall, 58 male athletes (35 well-trained endurance athletes and 23 elite male field hockey players) undertook an LHTL training camp with similar hypoxic doses (200-230 h)...
October 11, 2017: Experimental Physiology
Cassidy M Foley, Dai Sugimoto, David P Mooney, William P Meehan, Andrea Stracciolini
OBJECTIVE: (1) To investigate the clinical presentation, diagnosis, and treatment of slipping rib syndrome in athletes; (2) to investigate the hooking maneuver for diagnosis of slipping rib syndrome. DESIGN: Retrospective chart review of 362 athletes with rib pain. SETTING: Pediatric-based sports medicine clinic between January 1, 1999, and March 1, 2014. PATIENTS: Costochondritis, Tietze, fractures, rib tip syndrome, and unclear diagnoses were excluded...
October 6, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Michael Rossiter, Michael Challis
OBJECTIVES: To identify the incidence and mechanisms of concussion in elite Field Hockey in different age groups and also the postconcussion symptoms and recovery times. METHODS: Data was collected retrospectively, for both training and matches, over a 12-month period from national level Field Hockey players across under-16, under-18, under-21, Development and Senior players. Mechanism of injury (including player role and field position), postconcussive symptoms and recovery times were recorded following a semistructured interview with each player...
2017: BMJ Open Sport & Exercise Medicine
Olivier Girard, Grégoire P Millet, Jean-Benoit Morin, Franck Brocherie
This study aimed to investigate if "Live High-Train Low (and High)" hypoxic training alters constant-velocity running mechanics. While residing under normobaric hypoxia (≥14 h·d(-1); FiO2 14.5-14.2%) for 14 days, twenty field hockey players performed, in addition to their usual training in normoxia, six sessions (4 × 5 × 5-s maximal sprints; 25 s passive recovery; 5 min rest) under either normobaric hypoxia (FiO2 ~14.5%, n = 9) or normoxia (FiO2 20.9%, n = 11). Before and immediately after the intervention, their running pattern was assessed at 10 and 15 km·h(-1) as well as during six 30-s runs at ~20 km·h(-1) with 30-s passive recovery on an instrumented motorised treadmill...
September 2017: Journal of Sports Science & Medicine
Małgorzata Barbara Ogurkowska, Krzysztof Kawałek
PURPOSE: The aim of this study was to evaluate functional and structural changes in the lumbar spine which occurred as a consequence of playing field hockey. METHODS: The research group consisted of 20 male professional field hockey players. Computed tomography scans were collected to define the radiological density of the vertebral bodies and to calculate Young's modulus. An electrogoniometer was used to measure the range of movement. Geometric parameters, such as Lumbar Lordosis Angle, Index of Lumbar Lordosis, Whitmann-Ferguson Angle and Anterior Pelvic Tilt, were also measured...
2017: Acta of Bioengineering and Biomechanics
Hanjabam Barun Sharma, Jyotsna Kailashiya
Optimal physiological and cardiovascular characteristics are essential for optimal physical performance. Different types of training regimes affect these characteristics and lead to trainee's adaptation and changes in relevant parameters. In present interventional study we have evaluated effects of six weeks sprint-strength & agility training on such parameters. Twenty four young Indian national hockey players volunteered for this study. BW(weight), BMI, BF (%body fat), LBM (lean body mass), rHR (resting heart rate), rBP (blood pressure), rDP (double-product), P/power (using Running-based Anaerobic Sprint Test), VJ (vertical jump), SP (seated shot-put test), BS (ball-hitting speed), Tm (505-agility test) & VO2max were measured, and changes (d) after specified training regime were studied...
August 26, 2017: Journal of Strength and Conditioning Research
Jeffrey B Taylor, Alexis A Wright, Steven L Dischiavi, M Allison Townsend, Adam R Marmon
BACKGROUND: Late-stage rehabilitation programs often incorporate 'sport-specific' demands, but may not optimally simulate the in-game volume or intensity of such activities as sprinting, cutting, jumping, and lateral movement. OBJECTIVE: The aim of this review was to characterize, quantify, and compare straight-line running and multi-directional demands during sport competition. DATA SOURCES: A systematic review of PubMed, CINAHL, SPORTDiscus, and Cochrane Central Register of Controlled Trials databases was conducted...
December 2017: Sports Medicine
Hanjabam Barun Sharma, Jyotsna Kailashiya
INTRODUCTION: Optimal strength and flexibility are essential for performance enhancement and injury prevention in hockey, and anthropometry is known to influence these parameters. AIM: To find anthropometric correlates for strength and flexibility score in young Indian field hockey players. MATERIALS AND METHODS: Thirteen female and 19 male subjects volunteered for the study. Selected anthropometric variables: lengths, breadths, girths and body composition; strength and sit and reach score were measured for each subject...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
Aideen McGuinness, Shane Malone, George Petrakos, Kieran Collins
The aim of the current investigation was to quantify the physical and physiological demands of elite international female field hockey match-play across halves of play. Thirty-eight participants (24 ± 5 years; 173 ± 5 cm; 72 ± 5 kg) took part in nineteen competitive matches during the 2014 - 2015 season. Participants were monitored with GPS technology and heart rate monitors. Players were categorized based on three different playing positions. Activity was categorized into total (m), high-speed running distance (m; >16 km·h) and relative distance (m·min) due to the use of rolling substitutions...
July 24, 2017: Journal of Strength and Conditioning Research
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