LJ & Sprinting: P L Y O M E T R I C S   Plyometrics have been used for many years in the Russian and eastern European training of track and field athletes (Chu & Panariello, 1989). Fred Wilt (1975) termed Plyometrics as a derivation from the Greek words plythein or plyo, meaning to increase and measure. Therefore, Plyometrics […]