Chi is defined in many ways and can help us achieve sometimes impressive feats.
Chi is internal strength. Sometimes you just have to believe you can do something and you can.

One evening Dr. Bobbert’s aikido instructor, Ron Boyd, came into class and demonstrated the bridge. Larry indicated he wanted to do it. Master Boyd said, “You can do!”  Armed with that confidence he went home and tried it with the kitchen chairs and it worked.

Dr. Bobbert performed the human bridge as demonstration for his Communications students in McKee, KY (2008) as a type of “Demonstration Speech to Inform.