About the Company

AlterG, Inc. is pioneering a market using innovative technologies to sustain a healthy and active life. We are reinventing rehabilitation by advancing recovery from injury, surgery or disability and enhancing performance as well as reducing the frequency of injury in athletics and sports.
Our patented differential air pressure technology was originally developed at NASA and offers precise unweighting benefits.

The AlterG Anti-Gravity Treadmill® is the first FDA-cleared medical device of its kind and is used by major medical centers, leading physical therapy clinics and professional, collegiate, and individual sports and fitness programs.

FDA-cleared applications for accurate partial weight bearing include rehabilitation from any lower body disability, neurological retraining, weight control, geriatric strength and conditioning and sport-specific programs.

AlterG’s products are sold worldwide.

Company Milestones

2005

  • AlterG is founded
  • Substantial patent portfolio submitted

2006

  • Prototype units are installed at Nike’s Oregon House (Alberto Salazar)
  • Agreement with Woodway to supply, manufacture and sell Anti-Gravity Treadmills

2007

  • Series A funding (Red Planet Capital, Frog & Peach)
  • Launch of first commercially available Anti-Gravity Treadmill
  • Lars Barfod joins AlterG as its new CEO

2008

  • FDA-clearance (510K) as medical device
  • International sales initiated, build up of sales and services organization
  • Series B funding (Versant Ventures). Ross Jaffe, MD, joins board
  • 10 clinical trials in progress in orthopedic and neurological indications