![]() Also, nine weeks of FIFA 11+ training had no significant effect on improving balance, speed, agility, and vertical jump ( 19). study ( 18), a 10-week FIFA 11+ injury prevention program had no significant effect on the improvement of zigzag dribbling, Illinois, sitting and reaching, vertical jump, 20 m sprint, and Planck sideways. However, contrary to the above results, some studies indicated the ineffectiveness of FIFA 11+ injury prevention program in promoting athletes' performance. Also, eight weeks ( 15), four weeks ( 16), and nine weeks ( 17) of the FIFA 11+ training resulted in improved jump height in young soccer players ( 15). FIFA 11+ training improved the speed, jump, and stability of young amateur soccer players ( 14). Eight weeks of strength and plyometric training led to improved height jump in young female volleyball players ( 13). ( 12) stated that central stability is effective in power transfer during exercises therefore, a greater emphasis on strengthening these muscles may be effective in improving athletic performance. In this regard, it was reported that although both plyometric and skill training programs made positive changes in athlete jumping and throwing capacity, plyometric training was more effective than skill training in improving these capacities in elite female volleyball players ( 11). There is evidence that training programs, including plyometric, balance training and lumbar pelvic stabilization training, can directly improve athlete performance variables, especially those associated with vertical jump height, strength, and agility ( 9, 10). Despite the success of the FIFA 11+ program in preventing sports injuries ( 6- 8), it seems difficult to persuade athletes and coaches to perform this training solely to prevent injury, unless the training has a positive significant effect on their performance. The program consists of three parts: slow running training, strength training, plyometric, balance training and quick running training ( 5). The FIFA Medical Research and Evaluation Center, in collaboration with the Oslo Sports Injury and Research Center and the Santa Monica Sports Medicine and Orthopedic Center, has expanded a comprehensive 11+ warm-up program aiming at preventing injuries in football. From this point of view, choosing the training that has a positive effect on more than one factor at a time seems interesting ( 4). Among other things, coaches need to decide which type of physical activity is most effective for the athlete to perform and to prevent possible injuries. Deciding on having a training program is an important task for coaches. About 63% of musculoskeletal injuries are seen in jump and landing movements, which form an essential part of volleyball defense and attack ( 3). On the other hand, this sport is considered a serious competitive sport with a high level of skeletal muscle injury. In addition to tactical and technical skills, muscular strength and power have proven to be crucial to success in high-level volleyball competitions ( 2). Volleyball is one of the most popular sports in the world and because of its popularity, many studies have attempted to find the most comprehensive training program to improve the physical performance of volleyball players ( 1). It seems that 11+ training can be used to improve the agility and explosive power of male college volleyball players.Įxercise Performance Volleyball 1.
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