http://www.yuntraining.com/columbusbootcamp.html
Jason Yun shows you how to progress to a full 1-arm pushup.
1. Against a wall
2. Against a slight incline
3. Against a greater incline
4. With a band.
You can get bands here:
http://tinyurl.com/yunironwoody
5. Full 1-handed pushups
Side to side pushups are also a good way to build up. So are negative 1-handed pushups.
