BIBLIOGRAPHY
http://www.tamu.edu/univrel/aggiedaily/news/stories/99/071599-6.html
http://www.boston.com/yourlife/home/articles/2003/10/16/skip_dumbbells_and_start_youths_on_smart_exercise_program/
http://www.lsj.com/lifestyles/health/030404web_stepup.html
http://www.grsites.com/textures/
http://www.woodtennis.com/baseball