What is plyometric training primarily used for?

Plyometric training is primarily centered around explosive movements that engage fast-twitch muscle fibers, which are essential for developing power and speed. This training method typically includes exercises like jump squats, box jumps, and burpees, all of which incorporate rapid muscle contractions that increase an athlete's ability to generate force quickly. By emphasizing the stretch-shortening cycle of muscles, plyometrics enhances the neuromuscular efficiency and strength necessary for athletic performance in various high-intensity sports and activities.

The focus of plyometric training distinguishes it from other forms of training. While flexibility, cardiovascular endurance, and rehabilitation are critical components of an athlete's overall training regimen, they do not encapsulate the primary purpose of plyometrics, which is to enhance explosive performance. Thus, the correct answer emphasizes the primary goal of plyometric training, which is to improve both power and speed through high-energy, dynamic movements.