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Repeated sprint ability

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https://www.readbyqxmd.com/read/29768643/effects-of-resistance-training-and-combined-training-program-on-repeated-sprint-ability-in-futsal-players
#1
Julio Torres-Torrelo, David Rodríguez-Rosell, Ricardo Mora-Custodio, Fernando Pareja-Blanco, Juan Manuel Yañez-García, Juan José González-Badillo
The purpose of this study was to compare the effects of 6 weeks resistance training (RT) with combined RT and loaded change of direction (CD) exercise on muscle strength and repeated sprint ability (RSA) in futsal players. Thirty-four players (age: 23.7±4.1 years; height: 1.77±0.06 m; body mass: 74.1±8.2 kg) were randomly assigned into three groups: full squat group (SG, n=12), combined full squat and CD group (S+CDG, n=12), and control group (CG, n=10). The RT for SG consisted of full squat with low-load (~45-60% 1RM) and low-volume (2-3 sets and 4-6 repetitions), whereas the S+CDG performed the same RT program combined with loaded CD (2-5 sets of 10 s)...
May 16, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29746505/the-effects-of-short-term-detraining-and-retraining-on-physical-fitness-in-elite-soccer-players
#2
Chang Hwa Joo
PURPOSE: The aim of this study was to examine the effects of aerobic high-intensity training with reduced volume and training cessation on body composition and physical fitness after the end of season and the time required to recapture physical fitness with intensified retraining following two weeks of detraining in elite soccer players. METHOD: Twenty male semi-professional soccer players participated in this study. The soccer players were assigned to either a group that completed high-intensity aerobic training (HAT, n = 10) or to a detraining and retraining group (DHAT, n = 10) for a 5-week period immediately after the end of the season...
2018: PloS One
https://www.readbyqxmd.com/read/29745738/effect-of-prior-fatiguing-sport-specific-exercise-on-field-hockey-passing-ability
#3
Enzo Hollville, Vincent Le Croller, Yoshihiro Hirasawa, Rémi Husson, Giuseppe Rabita, Franck Brocherie
PURPOSE: This study aimed to evaluate the effect of multiple sets of repeated-sprint ability (RSA) induced fatigue on subsequent passing skill performance among field hockey. METHODS: Ten elite U-21 male field hockey players performed five sets of a combination of RSA test (6 × 20 m - 20 s of passive recovery) followed by a 1-min passing skill test (passing reception with subsequent passes at a pre-designed target). Fastest sprint time and cumulated sprint time for RSA test; total number of balls played, targeted and passing accuracy (number of balls targeted / total number of balls played) for passing skill test; heart rate (HR), blood lactate concentration ([La-]) and rating of perceived exertion (RPE) were collected throughout the protocol...
May 10, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29723995/comparing-the-effects-of-different-body-armor-systems-on-the-occupational-performance-of-police-officers
#4
Ben Schram, Robin Orr, Rodney Pope, Ben Hinton, Geoff Norris
Policing duties may inherently be dangerous due to stab, blunt trauma and ballistic threats. The addition of individual light armor vests (ILAVs) has been suggested as a means to protect officers. However, the addition of the extra load of the ILAV may affect officer ability to conduct occupational tasks. The purpose of this study was to determine if wearing any of three different ILAVs made by different companies with their preferred materials and designs (ILAV A, 4.68 percent body weight, ILAV B, 4.05 percent body weight, & ILAV C, 3...
May 1, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29720949/active-recovery-after-high-intensity-interval-training-does-not-attenuate-training-adaptation
#5
Thimo Wiewelhove, Christoph Schneider, Alina Schmidt, Alexander Döweling, Tim Meyer, Michael Kellmann, Mark Pfeiffer, Alexander Ferrauti
Objective: High-intensity interval training (HIIT) can be extremely demanding and can consequently produce high blood lactate levels. Previous studies have shown that lactate is a potent metabolic stimulus, which is important for adaptation. Active recovery (ACT) after intensive exercise, however, enhances blood lactate removal in comparison with passive recovery (PAS) and, consequently, may attenuate endurance performance improvements. Therefore, the aim of this study was to examine the influence of regular ACT on training adaptations during a HIIT mesocycle...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29702517/assessing-repeated-sprint-ability-in-division-i-collegiate-women-soccer-players
#6
Robert G Lockie, Tricia M Liu, Alyssa A Stage, Adrina Lazar, Dominic V Giuliano, Jillian M Hurley, Ibett A Torne, Megan D Beiley, Samantha A Birmingham-Babauta, John J Stokes, Fabrice G Risso, DeShaun L Davis, Matthew R Moreno, Ashley J Orjalo
Lockie, RG, Liu, TM, Stage, AA, Lazar, A, Giuliano, DV, Hurley, JM, Torne, IA, Beiley, MD, Birmingham-Babauta, SA, Stokes, JJ, Risso, FG, Davis, DL, Moreno, MR, and Orjalo, AJ. Assessing repeated-sprint ability in Division I collegiate women soccer players. J Strength Cond Res XX(X): 000-000, 2018-Repeated-sprint ability (RSA) is a key component of soccer, and is the capacity to repeatedly produce near-maximal to maximal sprints with short recovery periods. Repeated-sprint ability has received little analysis in collegiate women soccer players...
April 26, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29670536/multi-directional-repeated-sprint-is-a-valid-and-reliable-test-for-assessment-of-junior-handball-players
#7
Amin Daneshfar, Daniel E Gahreman, Majid S Koozehchian, Sadegh Amani Shalamzari, Mozhgan Hassanzadeh Sablouei, Thomas Rosemann, Beat Knechtle, Pantelis T Nikolaidis
The aim of the present study was to examine the validity and reliability of a 10 × (6 × 5 m) multi-directional repeated sprint ability test (RSM) in elite young team handball (TH) players. Participants were members of the Iranian national team ( n = 20, age 16.4 ± 0.7 years, weight 82.5 ± 5.5 kg, height 184.8 ± 4.6 cm, body fat 15.4 ± 4.3%). The validity of RSM was tested against a 10 × (15 + 15 m) repeated sprint ability test (RSA), Yo-Yo Intermittent Recovery test Level 1 (Yo-Yo IR1), squat jump (SJ) and countermovement jump (CMJ)...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29599871/effects-of-different-post-activation-potentiation-warm-ups-on-repeated-sprint-ability-in-soccer-players-from-different-competitive-levels
#8
Javier Sanchez-Sanchez, Alejandro Rodriguez, Cristina Petisco, Rodrigo Ramirez-Campillo, Cristian Martínez, Fábio Y Nakamura
This study aimed to compare the effects of a traditional warm-up with two post-activation potentiation (PAP) warm-up strategies on the repeated sprint ability (RSA) of soccer players from national (NL) and regional (RL) competitive levels. Sixteen young players (NL, n = 8, age = 20.7 ± 1.4 y, body mass = 68.5 ± 7.0 kg, body height = 177.4 ± 5.2 cm; RL, n = 8, age = 20.8 ± 1.0 y, body mass = 68.7 ± 4.0 kg, body height = 176.6 ± 5.6 cm) were recruited to complete a traditional warm-up (CONTROL), a PAP warm-up incorporating squats with a load (~60% 1RM) that allowed a high speed (1 m/s) of movement and a high number of repetitions (PAP-1), and a PAP warm-up with a load (~90% 1RM) that allowed a moderate speed (0...
March 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29541136/physical-and-physiological-demands-of-futsal
#9
REVIEW
Naser Naser, Ajmol Ali, Paul Macadam
Futsal, the 5-a-side version of soccer (i.e. 1 goalkeeper and 4 outfield players), was introduced in 1930 and continues to grow in popularity around the world. Competitive games comprise of two 20-min periods of high-intensity and intermittent activities requiring substantial physical, tactical, and technical efforts from the players. A greater understanding of the physical and skill requirements will aid the development of futsal and enable practitioners to undertake appropriate training regimes for the demands of the sport...
December 2017: Journal of Exercise Science and Fitness
https://www.readbyqxmd.com/read/29489720/differences-in-physical-performance-according-to-the-competitive-level-in-amateur-handball-players
#10
Estibaliz Romaratezabala, Fabio Nakamura, Rodrigo Ramirez-Campillo, Daniel Castillo, Josune Rodríguez-Negro, Javier Yanci
The aim of this study was to compare physical performance in amateur handball players of two different competitive levels. Thirty-four senior handball players were divided into two groups according to their competitive level (regional category: REG or national category: NAC). Although no significant differences were found between groups in any of the horizontal (HJ) or vertical jump (VJ) variables (p>0.05), NAC players obtained a better performance in the repeated sprint ability (RSA) test (RSABest [the best attempt] and RSATT [the total time in the total of sprints] in 15 m and 30 m), in change of direction ability (CODA) and in the Yo-Yo Intermittent Recovery test Level 1 (YYIR1) test (p<0...
February 27, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29471799/-not-just-another-wii-training-a-graded-wii-protocol-to-increase-physical-fitness-in-adolescent-girls-with-probable-developmental-coordination-disorder-a-pilot-study
#11
Emmanuel Bonney, Eugene Rameckers, Gillian Ferguson, Bouwien Smits-Engelsman
BACKGROUND: Adolescents with low motor competence participate less in physical activity and tend to exhibit decreased physical fitness compared to their peers with high motor competence. It is therefore essential to identify new methods of enhancing physical fitness in this population. Active video games (AVG) have been shown to improve motor performance, yet investigations of its impact on physical fitness are limited. The objective of this study was to examine the impact of the graded Wii protocol in adolescent girls with probable Developmental Coordination Disorder (p-DCD)...
February 22, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29431546/the-trainability-of-adolescent-soccer-players-to-brief-periodized-complex-training
#12
Athanasios Chatzinikolaou, Konstantinos Michaloglou, Alexandra Avloniti, Diamanda Leontsini, Chariklia K Deli, Dimitris Vlachopoulos, Luis Gracia-Marco, Sotirios Arsenis, Ioannis Athanailidis, Dimitrios Draganidis, Athanasios Z Jamurtas, Craig A Williams, Ioannis G Fatouros
PURPOSE: Τo investigate the effect of a complex, short-term strength/power training protocol on performance and body composition of elite early-adolescent soccer players. METHODS: Twenty-two players (14-15 years) were randomly assigned to (a) an experimental (EG, n=12, participated in a 5-week training protocol with traditional multi-joint power resistance exercises, Olympic-style lifts, plyometric drills and speed work, four times/week) or (b) a control group (CG, n=10)...
February 12, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29400616/repeated-sprint-training-in-hypoxia-induced-by-voluntary-hypoventilation-improves-running-repeated-sprint-ability-in-rugby-players
#13
Charly Fornasier-Santos, Grégoire P Millet, Xavier Woorons
PURPOSE: The goal of this study was to determine the effects of repeated-sprint training in hypoxia induced by voluntary hypoventilation at low lung volume (VHL) on running repeated-sprint ability (RSA) in team-sport players. METHODS: Twenty-one highly trained rugby players performed, over a 4-week period, seven sessions of repeated 40-m sprints either with VHL (RSH-VHL, n = 11) or with normal breathing (RSN, n = 10). Before (Pre-) and after training (Post-), performance was assessed with an RSA test (40-m all-out sprints with a departure every 30 s) until task failure (85% of the reference velocity assessed in an isolated sprint)...
February 5, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29385007/alcohol-after-resistance-exercise-does-not-affect-muscle-power-recovery
#14
Danielle E Levitt, Nosakhare O Idemudia, Carianne M Cregar, Anthony A Duplanty, David W Hill, Jakob L Vingren
The purpose of this study was to investigate the effect of alcohol consumed after heavy eccentric resistance exercise on measures of muscle power. After familiarization and an initial eccentric exercise bout to control for the "repeated-bout effect," ten recreationally resistance-trained men completed two identical heavy eccentric squat bouts (4 sets of 10 repetitions at 110% of concentric 1-repetition maximum) one week apart. Each exercise bout was followed by ingestion of a beverage containing either alcohol (1...
January 29, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29374581/self-confidence-and-affect-responses-to-short-term-sprint-interval-training
#15
Walid Selmi, Haithem Rebai, Mokhtar Chtara, Abdelmajid Naceur, Sonia Sahli
The study aimed to investigate the effects of repeated sprint (RS) training on somatic anxiety (SA), cognitive anxiety (CA), self-confidence (SC), rating of perceived exertion (RPE) and repeated sprint ability (RSA) indicators in elite young soccer players. Thirty elite soccer players in the first football league (age: 17.8±0.9years) volunteered to participate in this study. They were randomly assigned to one of two groups: a repeated sprint training group (RST-G; n=15) and a control group (CON-G; n=15). RST-G participated in 6weeks of intensive training based on RS (6×(20+20m) runs, with 20s passive recovery interval between sprints, 3 times/week)...
May 1, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29339990/high-intensity-small-sided-games-versus-repeated-sprint-training-in-junior-soccer-players
#16
Niyazi Eniseler, Çağatay Şahan, Ilker Özcan, Kıvanç Dinler
The aim of this study was to compare the effects of high-intensity small-sided games training (SSGT) versus repeated-sprint training (RST) on repeated-sprint ability (RSA), soccer specific endurance performance and short passing ability among junior soccer players. The junior soccer players were recruited from of a professional team (age 16.9 ± 1.1 years). The tests included the repeated-shuttle-sprint ability test (RSSAT), Yo-Yo Intermittent Recovery Test level 1 (Yo-Yo IR1) and Loughborough Soccer Passing Test (LSPT)...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29337832/comparison-of-step-by-step-kinematics-in-repeated-30m-sprints-in-female-soccer-players
#17
Roland van den Tillaar
The aim of this study was to compare kinematics in repeated 30m sprints in female soccer players. Seventeen subjects performed seven 30m sprints every 30s in one session. Kinematics were measured with an infrared contact mat and laser gun, and running times with an electronic timing device. The main findings were that sprint times increased in the repeated sprint ability test. The main changes in kinematics during the repeated sprint ability test were increased contact time and decreased step frequency, while no change in step length was observed...
January 4, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239991/a-multiple-repeated-sprint-ability-test-with-four-changes-of-direction-for-badminton-players-part-2-predicting-skill-level-with-anthropometry-strength-shuttlecock-and-displacement-velocity
#18
Michael Phomsoupha, Guillaume Laffaye
The goal of this study was: (i) to assess general and specific lower and upper limb force, shuttlecock velocity, displacement ability and the anthropometric characteristics of badminton players at five skill levels, and (ii) to predict individual players' number of points. We divided 83 participants into groups of novice (n=15), intermediate (n=16), skilled (n=23), highly skilled (n=14) and elite (n=15) players. The number of points scored for each player performing tournaments (excluding novices) during the entire season was used as a continuous and dependent variable after logarithmic transformation for correlational study...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29238253/plyometric-training-improves-sprinting-jumping-and-throwing-capacities-of-high-level-female-volleyball-players-better-than-skill-based-conditioning
#19
Bahri Gjinovci, Kemal Idrizovic, Ognjen Uljevic, Damir Sekulic
There is an evident lack of studies on the effectiveness of plyometric- and skill-based-conditioning in volleyball. This study aimed to evaluate effects of 12-week plyometric- and volleyball-skill-based training on specific conditioning abilities in female volleyball players. The sample included 41 high-level female volleyball players (21.8 ± 2.1 years of age; 1.76 ± 0.06 cm; 60.8 ± 7.0 kg), who participated in plyometric- (n = 21), or skill-based-conditioning-program (n = 20). Both programs were performed twice per week...
December 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29210955/comparison-between-power-off-ice-test-and-performance-on-ice-anaerobic-testing
#20
Vincent Gosselin Boucher, Andrée-Anne Parent, Fanie St-Jean Miron, Mario Leone, Alain Steve Comtois
The importance of specific testing has been shown in ice hockey performance and the understanding and connection between them may lead to adapting training and follow up in elite athletes. The aim of the present study was to compare two off-ice power tests with performances on ice with a complete professional hockey team. The broad jump test and the vertical jump test were used for the off-ice evaluations, while the SAS-40 and the repeated skate sprint modify (RSSm) tests were used as the performance variables...
November 27, 2017: Journal of Strength and Conditioning Research
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