What you need for speed is biomechnical balance, plus everything that goes with it. Prime mover in all this is Oral stability .
Without Gravity there is none lol.
This kid at the time had never Boxed http://www.youtube.com/watch?v=WScy2GqIEyE
http://www.youtube.com/watch?v=ahWf-b1zP2E
Or http://www.youtube.com/watch?v=RIOLYQtjnIQ
http://www.youtube.com/watch?v=8HMIu0VPCBg
http://www.youtube.com/watch?v=tyg6DHGda10&NR=1
Mix it with things like this, http://www.youtube.com/watch?v=tyg6DHGda10&NR=1
Keep correct Form.
http://www.youtube.com/watch?v=GftX7iQtL-4&NR=1
http://www.youtube.com/watch?v=9s9mfKv9IrU
http://www.youtube.com/watch?v=xEOYMP7QnDI
Treadmills have a motor which drives the belt, you dont. It works the lift, but not the drive. Long term causing problems. Then you have Running...
Mr small, worth every penny, Trust me had 10 years of Test, beats anything on the market. :yep
Treadmills do not work the Posterea chain, long term it can damage your biomechanics. Stick to the road. Fortunatly ive invented one that works...