I Liq Chuan UCP and Center Of Mass

[iliqchuen]

Hi all:
The following videos discuss the Upper Center Point, and Center of Mass as used in I Liq Chuan. Please, tell me what you think. Thanks
Dave

http://www.youtube.com/watch?v=mc5KjhsUIDI

http://www.youtube.com/watch?v=XnzWk38XJZ0