Lightening the Load of Recovery
From: NASA Tech Briefs - 11/2012 - page 80
By: Bo Schwerin

A unique treadmill - invented by a NASA scientist - supports people trying to
get back on their feet 

Derived from technology developed at Ames Research Center, the AlterG
'anti-gravity' treadmill requires only the touch of a button to increase the
air pressure around the lower body, lifting, reducing strain, and minimizing
impact on the legs—allowing the patient to exercise and strengthen injured or
weakened limbs. 

Read the entire article at:
http://www.nasa.gov/offices/oct/home/tech_life_alterg.html

Links:
‘Anti-Gravity’ Treadmills Speed Rehabilitation (2009)
http://www.techbriefs.com/component/content/article/5933
http://spinoff.nasa.gov/Spinoff2009/hm_5.html

Alter-G
http://www.alter-g.com/