When an athlete lands on the ground from a lower body plyometric jump, the shoulders should be in line with the knees when viewed from the side.
This type of training/practice involves a lot of eccentric contractions as well as leads to severe muscle soreness, if one does it in excessive amount.
It is so because the series elastic component, when stretched stores elastic energy that increases the force produced. Therefore, Plyometric movements utilizes the brawn and flexibility of muscle tissues to boost the speed, by allowing someone to jump higher, move faster, throw harder, or to further improve performance in any particular sport.
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