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Comparison of Upper Arm Kinematics During a Volleyball Spike Between Players With and Without a History of Shoulder Injury

Lara Mitchinson, Amity Campbell, Damian Oldmeadow, Will Gibson, and Diana Hopper

Volleyball players are at high risk of overuse shoulder injuries, with spike biomechanics a perceived risk factor. This study compared spike kinematics between elite male volleyball players with and without a history of shoulder injuries. Height, mass, maximum jump height, passive shoulder rotation range of motion (ROM), and active trunk ROM were collected on elite players with (13) and without (11) shoulder injury history and were compared using independent samples t tests (P < .05). The average of spike kinematics at impact and range 0.1 s before and after impact during down-the-line and cross-court spike types were compared using linear mixed models in SPSS (P < .01). No differences were detected between the injured and uninjured groups. Thoracic rotation and shoulder abduction at impact and range of shoulder rotation velocity differed between spike types. The ability to tolerate the differing demands of the spike types could be used as return-to-play criteria for injured athletes.

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Volleygate: A History of Scandal in the Largest International Sport Federation

Tom Fabian

scandalous history of one such IF. The Fédération Internationale de Volleyball (FIVB) has hitherto received inadequate public, media, or scholarly inquiry and, as a historian, I hope to remedy this knowledge gap. For, it is the responsibility of the historian to review the historical underpinnings of

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High Rate of Return to Sport Following Abdominal Muscle Strain Injuries in National Collegiate Athletic Association Division I Overhead Athletes—A Case Series

Ioanna K. Bolia, Alexander E. Weber, Hansel Ihn, Paul Won, Laith K. Hasan, Aryan Haratian, Lisa Noceti-Dewit, Russ Romano, James E. Tibone, and Seth C. Gamradt

NCAA Division I institution. ▸ Overhead athletes may return to sport at approximately 3 weeks following abdominal muscle strain injuries managed with physical therapy. Volleyball athletes may be at greater risk of abdominal muscle strain injuries compared with athletes participating in other overhead

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Assessing and Maximizing Collegiate Athletes’ Psychological Skills Under Constraints: A Preseason Brief Intervention Approach

Tsz Lun (Alan) Chu and Trent A. Petrie

then illustrated the framework through our program delivery to an NCAA Division I women’s volleyball team. In doing so, we reflected on our challenges and successes by taking athlete feedback into account and offered suggestions for how SPPs may implement similar programs in college sports or other

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Lower Extremity Kinematics and Kinetics When Landing From Unloaded and Loaded Jumps

Ina Janssen, Jeremy M. Sheppard, Andrew A. Dingley, Dale W. Chapman, and Wayne Spratford

Countermovement jumps loaded with a weighted vest are often used for the training of lower body power to improve jump performance. However, it is currently unknown how this added load affects the lower extremity kinematics and kinetics, in particular whether this results in an increased injury risk. Therefore, the purpose of this investigation was to determine how lower extremity kinematics and kinetics during landing are affected by loaded jumps as demonstrated in a volleyball block jump landing. Ten elite male volleyball players performed block jump landings in an unloaded and loaded (9.89 kg) condition. Kinematic and kinetic landing data from the three highest jumps were collected and assessed. Paired samples t test was used to establish whether load condition had a significant effect on lower extremity kinematics and kinetics. Hip flexion was significantly greater in the unloaded condition compared with the loaded condition (p = .004). There was no significant difference in any other kinematic or kinetic variables measures between the unloaded and loaded conditions. These results suggest that landing from loaded volleyball block jumps does not increase injury risk compared with unloaded jumps in elite male volleyball players.

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Prevalence and Factors Associated With Injuries in Elite Spanish Volleyball

Álvaro Cuñado-González, Aitor Martín-Pintado-Zugasti, and Ángel L. Rodríguez-Fernández

The prevalence of injury in volleyball is considered lower than in other team sports, such as basketball, handball, or soccer. 1 , 2 These differences are thought to be the consequence of the noncontact nature of volleyball. 3 , 4 However, volleyball injuries accounted for 5.3% of all sports

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Predictors of Attack Performance in High-Level Male Volleyball Players

Dimitrios Challoumas and Andreas Artemiou

The volleyball attack is the action winning most of the points during a game, and attack effectiveness (AE) is consequently thought to be one of the most important predictors of victory. 1 , 2 It can be performed in a number of ways, most commonly in the form of a “spike.” This is a unique

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Perception in Sport: Volleyball

Fran Allard and Janet L. Starkes

Volleyball players and nonplayers were compared for speed and accuracy of performance in a task involving detecting the presence of a volleyball in a rapidly presented slide of a volleyball situation. The volleyball situations depicted both game action and nongame events, for example, timeouts and warm-ups. Players and nonplayers did not differ in accuracy of response, but players were much faster in responding for both game and nongame slides. Further experiments showed that volleyball players' speed of response in ball detection was not a function of a simple athlete-nonathlete difference, nor of volleyball players' being fast at visual search in a nonvolleyball environment. The perceptual skill shown by volleyball players in this series of experiments is best described as a rapid visual search specific to the ball as target.

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Technical and Tactical Training Load in Professional Volleyball Players

Thiago S. Duarte, Danilo L. Alves, Danilo R. Coimbra, Bernardo Miloski, João C. Bouzas Marins, and Maurício G. Bara Filho

the objectives of the season, avoiding undesired consequences. 1 – 5 Volleyball is characterized by intermittent efforts of short duration and high intensity, interspersed with brief rest periods. 6 The main physical attributes and skills required in this sport include lower-limb explosive power and

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Monitoring Internal and External Load During Volleyball Competition

Jasper Gielen, Elise Mehuys, Daniel Berckmans, Romain Meeusen, and Jean-Marie Aerts

Volleyball is an intermittent sport comprising intense rallies interspersed with brief opportunities to recover in between actions. The physical activity during game play is characterized by explosive multidirectional movements, such as sprints, dives, and jumps. 1 Moreover, vertical jumping and