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Combining the use of box jumps and sprints provides athletes with a perfect way to increases athletic speed and explosive reaction at the same time. Plyometric training is very useful for training muscle fibers to react explosively with power. Plyometric box jumps are an efficient way to achieve this activating of fibers. Jumping off the ground and then landing on an elevated surface (such as box jumps) builds leg strength and exlosive endurance.