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Ramón Marcote-Pequeño, Amador García-Ramos, Víctor Cuadrado-Peñafiel, Jorge M. González-Hernández, Miguel Ángel Gómez and Pedro Jiménez-Reyes

matches. 3 Therefore, due to the undeniable importance of vertical jumps and linear sprints in soccer competitions, researchers have focused on describing the performance of soccer players during these actions as well as on enhancing vertical jump and sprint capabilities through training interventions. 6

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Jeffrey D. Simpson, Ludmila Cosio-Lima, Eric M. Scudamore, Eric K. O’Neal, Ethan M. Stewart, Brandon L. Miller, Harish Chander and Adam C. Knight

completed 3 CMJ on the force platform separated by 30-second rest periods between trials. To ensure participants were jumping in the vertical direction, a Vertec (Knoxville, TN) was placed adjacent to the force platform as a target for the CMJ attempts. The second vertical jump test consisted of 2 trials of

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Alejandro Muñoz, Álvaro López-Samanes, Alberto Pérez-López, Millán Aguilar-Navarro, Berta Moreno-Heredero, Jesús Rivilla-García, Pablo González-Frutos, José Pino-Ortega, Esther Morencos and Juan Del Coso

other one from behind 9-m line. For the 7-m throw, the test followed the rules for the penalty throw in handball. For the 9-m throw, a 3-step run and a vertical jump behind the 9-m line preceded the throw to simulate an in-game throw. 2 , 25 Each BT was executed with and without the presence of a

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Yassine Negra, Helmi Chaabene, Senda Sammoud, Olaf Prieske, Jason Moran, Rodrigo Ramirez-Campillo, Ali Nejmaoui and Urs Granacher

young male soccer players (aged 16 y), reporting better improvements in vertical jumping performance in LPJT group (Δ9.4% and 8.4% for squat jump [SJ] and CMJ, respectively, in LPJT group; Δ4.6% and 5% for the SJ and CMJ in UPJT group, respectively). Recently, Coratella et al 14 studied the effects of

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Conall F. Murtagh, Christopher Nulty, Jos Vanrenterghem, Andrew O’Boyle, Ryland Morgans, Barry Drust and Robert M. Erskine

S-H , Ahmaidi S . Relationship between vertical jumping performance and anthropometric characteristics during growth in boys and girls . Eur J Pediatr . 2009 ; 168 ( 4 ): 457 – 464 . PubMed doi:10.1007/s00431-008-0771-5 10.1007/s00431-008-0771-5 18597112 8. Meylan CM , Nosaka K , Green

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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 and Ioannis G. Fatouros

CT protocol used also resulted in improvement of vertical jumping corroborating previous findings in youth. 27 It appears that even a moderate rise in maximal strength is associated with a substantial increase in lower-limb muscle power 29 and participants in this study improved both. Maturation

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John J. McMahon, Paul A. Jones, Timothy J. Suchomel, Jason Lake and Paul Comfort

usefulness as a vertical-jump performance metric. Although RSImod was shown to be related to force and power characteristics of the unloaded CMJ, such as rate of force development ( r  = .56–.66), peak force ( r  = .37–.50), and peak power ( r  = .47–.69), 4 that study only included “gross” measures of CMJ

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Douglas J. Casa, Samuel N. Cheuvront, Stuart D. Galloway and Susan M. Shirreffs

separated by 40 min or undertook vertical jumps and a 400-m sprint. Each of these sessions was undertaken twice. The body mass reductions averaged 0.8 and 1.3 kg in the 50/200-m sessions over a 2-hr period, and averaged 0.5 and 1.1 kg over 45 min in the 400 m and vertical jump session. These reductions are

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Paul G. Montgomery and Brendan D. Maloney

fatigue is evident from the demands experienced after 3 games in 3 consecutive days of play. 1 The magnitude of the decrement was small to moderate across various performance characteristics including speed, repeat-effort line-drill, agility, and vertical jump. One explanation for decreases in

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Jennifer Sygo, Alicia Kendig Glass, Sophie C. Killer and Trent Stellingwerff

focus on strategies that might have an application within jumps and be of interest for future research. Hypohydration Acute hypohydration can impact muscle strength, power, and endurance to varying degrees, as well as vertical jump ability ( Savoie et al., 2015 ). According to a recent meta