Have you tried this before?

http://prancercise.com/ [youtube=http://youtu.be/o-50GjySwew] http://youtu.be/o-50GjySwew   Push-ups on cement blocks/bricks…no cheating – keep those feet in the air! [youtube=http://youtu.be/9UFDZCODs3s] http://www.youtube.com/watch?v=9UFDZCODs3s  (2:57)   And. Just. Wow! [youtube=http://youtu.be/mEb2m3vu_p8] http://www.youtube.com/watch?v=mEb2m3vu_p8