Needs a heavier tapered spear and a few modifications and you come close to some of the baji da qiang training.
http://www.youtube.com/watch?v=o5axYl8kSto
Taiji Da Gan Gong Li Training 1
http://www.youtube.com/watch?v=N50rM7x-B50
Taiji Da Gan Gong Li Training 2
http://www.youtube.com/watch?v=9qpZp1-UpPI
Taiji Da Gan Gong Li Training 3
http://www.youtube.com/watch?v=wHNeSdjhuXU
Taiji Da Gan Gong Li Training 7
http://www.youtube.com/watch?v=wHNeSdjhuXU