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https://www.readbyqxmd.com/read/28642247/clinical-benefit-of-the-fifa-11-programme-for-the-prevention-of-hamstring-and-lateral-ankle-ligament-injuries-among-amateur-soccer-players
#1
Rauf Nouni-Garcia, Concepcion Carratala-Munuera, Domingo Orozco-Beltran, Adriana Lopez-Pineda, María Rosario Asensio-Garcia, Vicente F Gil-Guillen
OBJECTIVE: To analyse the relationship between the implementation of 'the 11' protocol during the regular season in a men's amateur soccer team and the rate of hamstring and lateral ankle ligament (LAL) injuries, and to estimate the clinical benefit of the programme according to the type of injury and the position field. METHODS: This cohort study was conducted in two different men's amateur soccer teams. During two seasons, the exposed group (43 players) performed 'the 11' protocol twice a week, and the unexposed group (43 players) performed the regular training programme...
June 22, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28639440/the-relationship-between-jumping-performance-isokinetic-strength-and-dynamic-postural-control-in-elite-youth-soccer-players
#2
Robert Śliwowski, Monika Grygorowicz, Andrzej Wieczorek, Łukasz Jadczak
BACKGROUND: The aim of this study was (i) to investigate the relationship between vertical jumping performance, isokinetic strength of knee extensors/flexors, and postural priority and (ii) an attempt to describe a multiple regression model that accounts for the effects of selected parameters of isokinetic strength and postural priority on vertical jumping performance. METHODS: Thirty-one professional male soccer players, aged from 17 to 20 years, participated in this study (mean age: ± SD 18,6 ± 1...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28632662/treatment-of-incomplete-jones-fractures-with-low-intensity-pulsed-ultrasound-lipus
#3
Tateishi Tomohiko, Tsuyoshi Nagase, Teruhiko Nakagawa, Tsuchiya Masamitsu
OBJECTIVE: Stress fractures of the proximal epiphysis of the fifth metatarsal bone (termed Jones fracture) frequently occur in both senior high-school-age and older contestant-level soccer players, and its incidence in Japanese soccer players is higher than that in European players. Surgery is most commonly indicated for a complete fracture, and about 3 months are required before the patient is able to return to the sport. We have performed a "Jones fracture screening" to reduce the incidence of these fractures...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28630578/are-change-of-direction-speed-and-reactive-agility-useful-for-determining-the-optimal-field-position-for-young-soccer-players
#4
Giovanni Fiorilli, Enzo Iuliano, Michalis Mitrotasios, Eugenio M Pistone, Giovanna Aquino, Giuseppe Calcagno, Alessandra di Cagno
Change Of Direction Speed (CODS) and Reactive Agility (RA) are two determining factors in the ability of young soccer players. We aimed to verify if CODS and RA could be useful in order to establish the best young soccer player field position. Ninety-two elite soccer players (15.18 ± 1.21 years, weight 59.18 ± 9.93, height 1.72 ± 0.08, BMI 19.76 ± 2.22), belonging to two youth categories from the Italian First and Second Divisions, volunteered in this study. The participants included 32 defenders (15.06 ± 0...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28628369/premier-league-academy-soccer-players-experiences-of-competing-in-a-tournament-bio-banded-for-biological-maturation
#5
Sean P Cumming, Daniel J Brown, Siobhan Mitchell, James Bunce, Dan Hunt, Chris Hedges, Gregory Crane, Aleks Gross, Sam Scott, Ed Franklin, Dave Breakspear, Luke Dennison, Paul White, Andrew Cain, Joey C Eisenmann, Robert M Malina
Individual differences in the growth and maturation have been shown to impact player performance and development in youth soccer. This study investigated Premier League academy players' experiences of participating in a tournament bio-banded for biological maturation. Players (N = 66) from four professional soccer clubs aged 11 and 14 years and between 85-90% of adult stature participated in a tournament. Players competed in three 11 vs 11 games on a full size pitch with 25-min halves. Sixteen players participated in four 15-min focus groups and were asked to describe their experiences of participating in the bio-banded tournament in comparison to age group competition...
June 19, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28620336/how-to-trick-your-opponent-a-review-article-on-deceptive-actions-in-interactive-sports
#6
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/28613960/the-effect-of-air-pollution-on-diurnal-variation-of-performance-in-anaerobic-tests-cardiovascular-and-hematological-parameters-and-blood-gases-on-soccer-players-following-the-yo-yo-intermittent-recovery-test-level-1
#7
Nesrin Boussetta, Salma Abedelmalek, Khouloud Aloui, Nizar Souissi
This study aimed to investigate the effect of air pollution on diurnal variation of performance in anaerobic tests, cardiovascular and hematological parameters, and blood gases on soccer players following the Yo-Yo Intermittent Recovery Test Level-1 (YYIRT1). In a randomized order, 11 healthy soccer players (mean age: 21.8 [range: 20-24] years; height: 178.00 [range: 1.64-1.83] cm; body mass index [BMI]: 23.57 [range: 20.45-28.03] kg.m(-2)) performed a YYIRT1 at two different times of day (TOD) (08:00 h and 18:00 h) in two areas (i...
June 14, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28607785/pseudoaneurysm-of-the-anterior-tibial-artery-following-ankle-arthroscopy-in-a-soccer-player
#8
Ichiro Tonogai, Tetsuya Matsuura, Toshiyuki Iwame, Keizo Wada, Tomoya Takasago, Tomohiro Goto, Daisuke Hamada, Yohei Kawatani, Eiki Fujimoto, Tetsuya Kitagawa, Shyoichiro Takao, Seiji Iwamoto, Moriaki Yamanaka, Masafumi Harada, Koichi Sairyo
Ankle arthroscopy carries a lower risk of vascular complications when standard anterolateral and anteromedial portals are used. However, the thickness of the fat pad at the anterior ankle affords little protection for the thin-walled anterior tibial artery, rendering it susceptible to indirect damage during procedures performed on the anterior ankle joint. To our knowledge, only 11 cases of pseudoaneurysm involving the anterior tibial artery after ankle arthroscopy have been described in the literature. Here we reported a rare case of a 19-year-old soccer player who presented with pseudoaneurysm of the anterior tibial artery following ankle arthroscopy using an ankle distraction method and underwent anastomosis for the anterior tibial artery injury...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28595870/high-speed-running-and-sprinting-as-an-injury-risk-factor-in-soccer-can-well-developed-physical-qualities-reduce-the-risk
#9
Shane Malone, Adam Owen, Bruno Mendes, Brian Hughes, Kieran Collins, Tim J Gabbett
OBJECTIVES: This study investigated the association between high-speed running (HSR) and sprint running (SR) and injuries within elite soccer players. The impact of intermittent aerobic fitness as measured by the end speed of the 30-15 intermittent fitness test (30-15VIFT) and high chronic workloads (average 21-day) as potential mediators of injury risk were also investigated. DESIGN: Observational Cohort Study. METHODS: 37 elite soccer players from one elite squad were involved in a one-season study...
May 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28595867/the-match-to-match-variation-of-match-running-in-elite-female-soccer
#10
Joshua Trewin, César Meylan, Matthew C Varley, John Cronin
OBJECTIVES: The purpose of this study was to examine the match-to-match variation of match-running in elite female soccer players utilising GPS, using full-match and rolling period analyses. DESIGN: Longitudinal study. METHODS: Elite female soccer players (n=45) from the same national team were observed during 55 international fixtures across 5 years (2012-2016). Data was analysed using a custom built MS Excel spreadsheet as full-matches and using a rolling 5-min analysis period, for all players who played 90-min matches (files=172)...
May 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28595239/changes-in-sprint-related-outcomes-during-a-period-of-systematic-training-in-a-girls-soccer-academy
#11
Matthew David Wright, Greg Atkinson
Longitudinal data tracking performance indicators collected during structured training are lacking in young female soccer players. Therefore, changes in 5-m acceleration, 20-m speed, change-of-direction speed and repeated-sprint ability were quantified during a three-year period in an FA Centre of Excellence. Fourteen players (mean age = 12.1 years, SD = ±0.9) were recruited and their best performance scores from pre-season and in-season testing were averaged. Players were typically exposed to soccer (2 x 90 min per week) and strength and conditioning training (1 x 70 min per week) and played 20 soccer matches (50-80 min) during 35-week seasons...
June 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28595238/distinguishing-playing-status-through-a-functionally-relevant-performance-measure-in-female-division-i-collegiate-soccer-athletes
#12
Mitchel A Magrini, Ryan J Colquhoun, John H Sellers, Eric C Conchola, Garrett M Hester, Ryan M Thiele, Zach K Pope, Doug B Smith
Although soccer is predominately an endurance sport, high velocity movements may be an important indicator of athletic success. The purpose of this investigation was to establish whether squat jumps (SJ) can differentiate starters from non-starters with a female collegiate division I soccer team. Eighteen female division I soccer athletes were separated into two groups: 9 starters (age: 19.5 ± 1.0; mass = 64.8 ± 11.5 kg; height = 167.5 ± 7.7 cm; games started = 18.2 ± 4.7; minutes played = 1633.8 ± 478...
June 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28577561/cameroonian-professional-soccer-players-and-risk-of-atherosclerosis
#13
Jobert Richie Nansseu, Vicky Jocelyne Ama Moor, Ruth Danielle M Takam, Bertrand Zing-Awona, Marcel Azabji-Kenfack, Francine Tankeu, Corinne M Tchoula, Bruno M Moukette, Jeanne Y Ngogang
BACKGROUND: Elevated titers of antibodies against oxidized low-density lipoproteins-cholesterol (ox-LDL-Ab) have been reported among professional athletes, paradoxically reflecting an increased risk of developing atherogenic and/or cardiovascular events. This study aimed to determine titers of ox-LDL-Ab in a group of Cameroonian professional soccer players, and evaluate their evolution during part of a competition season as well as the plasmatic antioxidant status to find out if this latter correlates with ox-LDL-Ab ...
June 2, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28575923/the-effect-of-a-simulated-soccer-match-on-anterior-cruciate-ligament-injury-risk-factors
#14
Matthew Wright, Paul Chesterton, Mark Wijnbergen, Adrian O'Rourke, Tom Macpherson
To investigate the effect of within match fatigue on knee kinematics and jump kinetics in girls' soccer players, a quasi-experiment time series design was employed collecting data before, after and at 15-min intervals during a 90-min simulated soccer match. 15 girl players (age 13.1±1.4 years) performed a counter movement jump and a single-leg drop jump. Mean concentric force and flight time to contraction time ratio were derived from the counter movement jump. Knee valgus and flexion angles were calculated during the single-leg drop from 3-dimensional motion capture...
June 2, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28566810/soccer-small-sided-games-in-young-players-rule-modification-to-induce-higher-physiological-responses
#15
J Halouani, H Chtourou, A Dellal, A Chaouachi, K Chamari
The aim of this study was to identify the physiological responses of 3 forms of players' numbers during two different games rules of small-sided games (SSG: stop-ball vs. small-goals rules). Eighteen youth amateur soccer players (age 13.5±0.7 years; height 168.9±6.1cm; body mass 63.1±7.7 kg) participated in this study and performed 3 SSGs with varying players' number (2vs.2; 3vs.3 and 4vs.4): stop-ball SSG (SB-SSG) vs. small-goals SSG (SG-SSG) in a randomized and counter-balanced order on a constant pitch dimension (20×25m)...
June 2017: Biology of Sport
https://www.readbyqxmd.com/read/28566809/the-effects-of-game-types-on-intensity-of-small-sided-games-among-pre-adolescent-youth-football-players
#16
J Halouani, H Chtourou, A Dellal, A Chaouachi, K Chamari
The aim of this study was to examine the effects of variations in pitch dimensions on pre-adolescent youth soccer players' physiological responses during two different types of small-sided games (SSG). Sixteen young soccer players (age: 13.2 ± 0.6 years; body mass: 52.5 ± 7 kg; height: 163.4 ± 6 cm) participated in this study. They performed 4 vs. 4 stop-ball SSG (SB-SSG) vs. small-goals SSG (SG-SSG) with 4×4 min and 2 min of passive recovery in between, using 3 different pitch sizes (small: 10×15, medium: 15×20, and large: 20×25 m)...
June 2017: Biology of Sport
https://www.readbyqxmd.com/read/28566807/specific-physical-trainability-in-elite-young-soccer-players-efficiency-over-6-weeks-in-season-training
#17
M Chtara, M Rouissi, M Haddad, H Chtara, A Chaalali, A Owen, K Chamari
The aim of the present study was to compare the effects of 3 training protocols (plyometric [PLYO], agility [AG], or repeated shuttle sprints [RS]) on physical performance in the same population of young soccer players. Forty-two youth-level male players (13.6±0.3-years; 1.65±0.07 m; 54.1±6.5 kg; body fat: 12.8±2.6%) participated in a short-term (6-week) randomized parallel fully controlled training study (pre-to-post measurements): PLYO group, n=10; AG group, n=10; RS group, n=12; and control group [CON] n=10...
June 2017: Biology of Sport
https://www.readbyqxmd.com/read/28559953/quantitative-eeg-evaluation-for-performance-level-analysis-of-professional-female-soccer-players
#18
Kittichai Tharawadeepimuk, Yodchanan Wongsawat
Quantitative electroencephalography (QEEG) was used to investigate the brain activity of Thai professional female soccer team players who exhibit high performance. The QEEGs of 29 players were recorded three times: twice before a competition (once a week) and a week after a competition. The results of the brain topographic map (absolute power) in the alpha frequency band and the brain connectivity (coherence) in the delta frequency bands represented their anxiety and decision-making levels, respectively. These phenomena occurred in the brain activities of the athletes, which could be used to predict their performances during the competition...
June 2017: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/28557851/decrements-in-neuromuscular-performance-and-increases-in-creatine-kinase-impact-training-outputs-in-elite-soccer-players
#19
Shane Malone, Bruno Mendes, Brian Hughes, Mark Roe, Simon Devenney, Kieran Collins, Adam Owen
The aim of the current investigation was to understand the impact of pre-training neuromuscular performance and creatine kinase status on subsequent training performance in elite soccer players. Thirty soccer players (age: 25.3 ± 3.1 years; height: 183 ± 7 cm; mass: 72 ± 7 kg) were involved in this observational study. Each morning prior to training, players completed assessments for neuromuscular performance (countermovement jump; CMJ) and creatine kinase (CK) levels. Global positioning technology provided external load: total distance, high-speed distance, sprint distance, accelerations, decelerations, average metabolic power, explosive distance, high metabolic power distance (>25...
May 23, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28544170/hamstring-injury-prevention-in-soccer-before-or-after-training
#20
Ric Lovell, Michael Knox, Matthew Weston, Jason C Siegler, Scott Brennan, Paul W M Marshall
We examined the effects of a 12-week program of Nordic hamstring exercises (NHE), administered before or after football training, upon eccentric hamstring strength, muscle activity, and architectural adaptations. Amateur soccer players were randomized into 3 groups. The control group (CON; n=11) undertook core stability exercises, whereas a periodized NHE program was delivered either before (NHEBEF ; n=10) or after (NHEAFT ; n=14) bi-weekly training sessions. Outcome measures included peak torque and concomitant normalized peak surface electromyography signals (sEMG) of the biceps femoris (BF) and medial hamstring (MH) muscles during knee flexor maximal eccentric contractions, performed at 30°·s(-1) ...
May 24, 2017: Scandinavian Journal of Medicine & Science in Sports
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