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Julien Tripette, Haruka Murakami, Hidemi Hara, Ryoko Kawakami, Yuko Gando, Harumi Ohno, Nobuyuki Miyatake and Motohiko Miyachi

until this mark was achieved. Handgrip strength (T.K.K.5401 digital dynamometer; Takei Kiki Kogyo, Niigata, Japan), trunk flexibility (T.K.K.5112 sit-and-reach digital instrument; Takei Kiki Kogyo), and vertical jump (T.K.K.5406 vertical jump measuring digital instrument; Takei Kiki Kogyo) were also

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Olfa Turki, Wissem Dhahbi, Johnny Padulo, Riadh Khalifa, Sana Ridène, Khaled Alamri, Mirjana Milić, Sabri Gueid and Karim Chamari

(blocking) and offensive (attacking, passing, and serving) maneuvers. 14 , 15 Consequently, vertical jump performance was found to be a good performance predictor in volleyball. 16 However, a number of other physiological factors such as CODs have been associated with achievement in volleyball. 16 Indeed

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-Class Rowers Guellich Arne * Seiler Stephen * Emrich Eike * 12 2009 4 4 448 460 10.1123/ijspp.4.4.448 Relationship Between Strength Characteristics and Unweighted and Weighted Vertical Jump Height Jenna M. Kraska * Michael W. Ramsey * G. Gregory Haff * Nate Fethke * William A. Sands * Margaret

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in Vertical-Jumping Ability After Static Stretching Jason Brandenburg * William A. Pitney * Paul E. Luebbers * Arun Veera * Alicja Czajka * 6 2007 2 2 170 181 10.1123/ijspp.2.2.170 Responses of Motor-Sport Athletes to V8 Supercar Racing in Hot Conditions Matt B. Brearley * James P. Finn

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Dustin J. Oranchuk, Eric J. Drinkwater, Riki S. Lindsay, Eric R. Helms, Eric T. Harbour and Adam G. Storey

the effects of 15 weeks for weightlifting and powerlifting training and found that weightlifting leads to greater improvements in the 40-yard dash and vertical jump. In addition, Although recent studies have found that jump training leads to similar or greater vertical jump improvements, 9 , 10

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Yiannis Michailidis, Alexandros Tabouris and Thomas Metaxas

instead of the vertical jump (VJ) test. 24 The greater distance covered was recorded to the nearest 0.5 cm with a tape. The coefficient of variation for test–retest trials was 3.1%. VJ Testing The participants performed 2 jump tests: (a) SJ: participants, from a stationary semisquatted position (90

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Kieran Cooke, Tom Outram, Raph Brandon, Mark Waldron, Will Vickery, James Keenan and Jamie Tallent

provide indirect measurements of an athlete’s functional state, it is preferable to accompany these monitoring strategies with direct assessments of neuromuscular function. For example, vertical jump testing, 20-m sprint tests, and peak power assessment using a cycle ergometer are popular isoinertial

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Christie Tangalos, Samuel J. Robertson, Michael Spittle and Paul B. Gastin

Context:

Player match statistics in junior Australian football (AF) are not well documented, and contributors to success are poorly understood. A clearer understanding of the relationships between fitness and skill in younger players participating at the foundation level of the performance pathway in AF has implications for the development of coaching priorities (eg, physical or technical).

Purpose:

To investigate the relationships between indices of fitness (speed, power, and endurance) and skill (coach rating) on player performance (disposals and effective disposals) in junior AF.

Methods:

Junior male AF players (N = 156, 10–15 y old) were recruited from 12 teams of a single amateur recreational AF club located in metropolitan Victoria. All players were tested for fitness (20-m sprint, vertical jump, 20-m shuttle run) and rated by their coach on a 6-point Likert scale for skill (within a team in comparison with their teammates). Player performance was assessed during a single match in which disposals and their effectiveness were coded from a video recording.

Results:

Coach rating of skill displayed the strongest correlations and, combined with 20-m shuttle test, showed a good ability to predict the number of both disposals and effective disposals. None of the skill or fitness attributes adequately explained the percentage of effective disposals. The influence of team did not meaningfully contribute to the performance of any of the models.

Conclusions:

Skill development should be considered a high priority by coaches in junior AF.

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Aaron T. Scanlan, Neal Wen, Joshua H. Guy, Nathan Elsworthy, Michele Lastella, David B. Pyne, Daniele Conte and Vincent J. Dalbo

and dynamic strength ( r  = .71 to .89), 4 , 7 vertical jump ( r  = .19 to .81), 4 , 7 linear sprint ( r  = −.69 to .73), 4 and change-of-direction speed ( r  = −0.52 to −0.85) 4 , 7 measures in adult basketball players. Relationships between impulse during the IMTP and power-related attributes

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Paula B. Debien, Marcelly Mancini, Danilo R. Coimbra, Daniel G.S. de Freitas, Renato Miranda and Maurício G. Bara Filho

to technical movement actions, the vertical jump is considered a very important element during volleyball training sessions and matches, as it is used in the basic actions for setting, serving, blocking, and attacking. 3 In this way, good training periodization is essential to ensure that, during