vertical jump training program fundamental principles
Mar 25th, 2008 | By Jacob | Category: vertical jump programsWARNING!! The principle and practices of this system are extreme and should be undertaken with extreme caution. A spotter is advised when using heavy resistance. The author takes no responsibility for any injury that the user may incur.
The 10 aspects of a jump training program:
During my training, research, and education as a personal trainer I [...]
