Effects of a Plyometric Training Program on Youths With Different Biological Maturity in Sport

Participants undergo a plyometric training program. The plyometric training consists of exercises in the horizontal, lateral, and vertical directions of movement. Exercises are progressively focused on maximal performance with short ground contact (\<250 ms). The training sessions are twice per week.

Participants continues their regular sports activities without additional plyometric training. The training sessions are twice per week.