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AlterG VIA

The next generation

The AlterG VIA Anti-Gravity Treadmill® changes what’s possible in rehabilitation and training. With unmatched precision and control, the Via combines revolutionary Differential Air Pressure (DAP™) technology, an intuitive touchscreen interface, real-time gait analytics, and live video monitoring – all to enable the ultimate in pain-free and fall-safe body weight supported walking, running, and closed-kinetic chain exercise. Now you can help diverse ortho and neuro patients, active seniors, and athletes to gain mobility, recover smarter, and achieve performance goals sooner.

  • Accessible Design
    Snap-up, magnetized air chamber closure lays flat for ease of entry, while a new window design provides critical visual accessibility in a robust, functional design.
  • Smooth Setup
    Open-back cockpit design with light and easy height adjustment leverages inseam set-point measurements and smooth-set locking mechanism to make entry and setup simple.
  • Easy In, Easy Out
    New, low step-up height ensures the easiest possible in-and-out for users.
  • Enhanced Data
    AlterG Stride Smart provides valuable insight into gait and session data, up to 3 mph allowing user-progress evaluation with essential data metrics
  • Functional Safety
    AlterG’s patented DAP technology reduces gravitational forces and provides a fall-safe environment, while supporting unimpeded gait mechanics and balance.

Patented Differential Air Pressure Technology

AlterG’s patented NASA Differential Air Pressure (DAP) technology utilises a special air chamber and an advanced calibration system to uniformly reduce gravitational load for unweighting from 100% to as low as 20% of body weight in precise 1% increments – without impeding natural gait mechanics. No other unweighting method delivers such precision and unparalleled control.

AlterG ViaX Anti-Gravity Treadmill

AlterG’s VIA X

Mobility changes everything


Air-based unweighting enables an unprecedented level of comfort and mobility – without impeding natural gait mechanics.


Patented technology gently unweights users in 1% increments to as low as 20% of body weight – quickly, effortlessly & precisely.

Safety & Security

Fall-safe environment enables progressive weightbearing activity and training volume – without impact on joints or risk of injury.


Unlike harness systems and hydrotherapy, AlterG technology can be used to progressively unload and load in precise 1% increments.

Body Weight Adjustment 100% - 20% (1% increments)
Display 22 inch touchscreen
Treadmill Flat Belt
Max Speed 12 mph (19 kph)
Starting Speed 0.1 mph (0.2 kph)
X Package (High Speed) -5 mph - 15 mph (-8 kph - 24kph)
Reverse Speed 3 mph (5 kph)
Incline 0% - 15%
Live Video Monitoring Included
Stride Smart Included
AlterG Assistant Included
User Weight 85 lbs to 400 lbs (38 kg to 180 kg)

How Can AlterG Help Your Team?

Leading the way since 2005, AlterG Anti-Gravity Treadmills have helped millions to move without pain or interference to natural gait mechanics. Today, more than 5,000 facilities worldwide count on AlterG to help people recover sooner, whether it be to manage neurological conditions and chronic diseases, build strength and endurance while ageing, or increase athletic performance – AlterG has enabled hundreds of teams worldwide to rehab their players quicker and more effectively providing a world-class level of rehabilitation.