Journal ArticleDOI
Relationship between sprint ability and loaded/unloaded jump tests in elite sprinters.
Irineu Loturco,Ricardo A. DʼAngelo,Victor Fernandes,Saulo Gil,Ronaldo Kobal,Cesar Cavinato Cal Abad,Katia Kitamura,Fábio Yuzo Nakamura +7 more
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TLDR
The results reveal that vertical and horizontal jump tests may be used by coaches for assessing and monitoring qualities related to sprinting performance in elite sprinters.Abstract:
The neuromechanical determinants of sprint running performance have been investigated in team sports athletes and non-elite sprinters. The aim of this study was to quantify the relationships between kinetic and performance parameters, obtained in loaded and unloaded vertical and horizontal jumps, and sprinting in elite athletes. Twenty-two sprinters performed squat jumps, countermovement jumps, horizontal jumps, and jump squats with different loads on a force platform, in addition to a 50-m sprint. Results indicated that jumping height and distance in vertical and horizontal jumps are more strongly correlated (R ≈ 0.81) to sprinting speed than the respective peak forces (R ≈ 0.36). Furthermore, the optimum load generating the maximum power in the jump squat is also highly correlated to sprint performance (R ≈ 0.72). These results reveal that vertical and horizontal jump tests may be used by coaches for assessing and monitoring qualities related to sprinting performance in elite sprinters.read more
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Journal ArticleDOI
The countermovement jump to monitor neuromuscular status: A meta-analysis.
João Gustavo Claudino,João Gustavo Claudino,John B. Cronin,John B. Cronin,Bruno Mezêncio,Daniel Travis McMaster,Michael R. McGuigan,Michael R. McGuigan,Valmor Tricoli,Alberto Carlos Amadio,Júlio Cerca Serrão +10 more
TL;DR: Average CMJ height was more sensitive than highestCMJ height in detecting CMJ fatigue and supercompensation and other CMJ variables such as peak power, mean power, peak velocity, peak force, mean impulse, and power were sensitive in tracking the superCompensation effects of training.
Journal ArticleDOI
Traditional vs. Sport-Specific Vertical Jump Tests: Reliability, Validity, and Relationship With the Legs Strength and Sprint Performance in Adult and Teen Soccer and Basketball Players.
David Rodríguez-Rosell,Ricardo Mora-Custodio,Felipe Franco-Márquez,Juan Manuel Yáñez-García,Juan José González-Badillo +4 more
TL;DR: The results of this study suggest that CMJ and AJ are the most reliable tests for the estimation of explosive force in soccer and basketball players in different age categories.
Journal ArticleDOI
Vertical and Horizontal Jump Tests Are Strongly Associated With Competitive Performance in 100-m Dash Events.
Irineu Loturco,Lucas A. Pereira,C. C. C. Abad,Ricardo A. DʼAngelo,Victor Fernandes,Katia Kitamura,Ronaldo Kobal,Fábio Yuzo Nakamura +7 more
TL;DR: Because of their practicality, safeness, and relationship with the actual times obtained by top-level athletes in 100-m dash events, it is highly recommended that SJ, CMJ, and HJ be regularly incorporated into elite sprint-testing routines.
Journal ArticleDOI
Transference effect of vertical and horizontal plyometrics on sprint performance of high-level U-20 soccer players
Irineu Loturco,Lucas A. Pereira,Ronaldo Kobal,Vinicius Zanetti,Katia Kitamura,Cesar Cavinato Cal Abad,Fábio Yuzo Nakamura +6 more
TL;DR: The results presented herein indicate that the plyometric training-axis is decisive in determining neuromechanical training responses in high-level soccer players.
Journal ArticleDOI
Determining the Optimum Power Load in Jump Squat Using the Mean Propulsive Velocity.
Irineu Loturco,Fábio Yuzo Nakamura,Valmor Tricoli,Ronaldo Kobal,Cesar Cavinato Cal Abad,Katia Kitamura,Carlos Ugrinowitsch,Saulo Gil,Lucas A. Pereira,Juan José González-Badillo +9 more
TL;DR: Jump squat optimum power load can be determined simply by means of mean propulsive velocity or jump height determination in training/testing settings, allowing it to be implemented quickly in strength/power training.
References
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Journal ArticleDOI
Strong correlation of maximal squat strength with sprint performance and vertical jump height in elite soccer players
TL;DR: There was a strong correlation between maximal strength in half squats and sprint performance and jumping height in high level soccer players, and high squat strength did not imply reduced maximal oxygen consumption.
Journal ArticleDOI
Strength and Power Predictors of Sports Speed
John B. Cronin,Keir T. Hansen +1 more
TL;DR: It was suggested that improving the power to weight ratio as well as plyometric training involving countermovement and loaded jump-squat training may be more effective for enhancing sport speed in elite players.
Journal ArticleDOI
Developing Explosive Muscular Power: Implications for a Mixed Methods Training Strategy
Journal ArticleDOI
Mechanical determinants of 100-m sprint running performance.
Jean-Benoit Morin,Muriel Bourdin,Pascal Edouard,Nicolas Peyrot,Pierre Samozino,Jean-René Lacour +5 more
TL;DR: The main mechanical determinants of 100-m performance were a “velocity-oriented” force–velocity profile, likely explained by a higher ability to apply the resultant GRF vector with a forward orientation over the acceleration, and a higher step frequency resulting from a shorter contact time.
Journal ArticleDOI
Importance of the propulsive phase in strength assessment.
TL;DR: This study analyzed the contribution of the propulsive and braking phases among different percentages of the one-repetition maximum (1RM) in the concentric bench press exercise and determined the relative load that maximized the mechanical power output (P(max).