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Updated: Apr 16, 2026

A Rehabilitation Program of Exoskeleton-assisted Body Weight-Supported Treadmill Training with Non-immersive Virtual Reality for Stroke Patients

A Rehabilitation Program of Exoskeleton-assisted Body Weight-Supported Treadmill Training with Non-immersive Virtual Reality for Stroke Patients

Published on: May 16, 2025

Pressure-controlled treadmill training in chronic stroke: a case study with AlterG.

Cherise Lathan¹, Andrew Myler, Jennifer Bagwell

¹Clinical Faculty and Clinical Physical Therapy (CL), Keck Medical Center of USC, Division of Biokinesiology and Physical Therapy, University of Southern California, Los Angeles; Rancho Los Amigos National Rehabilitation Center (AM), Downey, California; Musculoskeletal Biomechanics Research Laboratory (JB), University of Southern California, Los Angeles; Biokinesiology and Musculoskeletal Biomechanics Research Lab (CMP), Division of Biokinesiology and Physical Therapy, University of Southern California, Los Angeles; and Clinical Physical Therapy and Neuroplasticity and Imaging Laboratory (BEF), Division of Biokinesiology and Physical Therapy, University of Southern California, Los Angeles.

Journal of Neurologic Physical Therapy : JNPT

|March 6, 2015

Summary

Pressure-controlled treadmill training significantly improved walking speed and stride length in a stroke survivor. This novel approach shows promise for enhancing gait and reducing fall risk post-stroke.

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Area of Science:

Neurorehabilitation
Biomechanics
Physical Therapy

Background:

Stroke survivors often experience impaired gait and increased fall risk.
Traditional body-weight-supported treadmill training is effective but may have limitations.
Pressure-controlled treadmills offer a novel approach to gait rehabilitation by altering gravitational effects.

Observation:

An 81-year-old male, 14.5 months post-stroke, presented with slow walking speed, poor endurance, and gait deviations.
The subject underwent 4 weeks of training on a pressure-controlled treadmill (AlterG M320), 4 times per week for 40 minutes per session.
The intervention aimed to counteract gravity's effects on the lower extremities during training.

Findings:

Self-selected gait speed improved from 0.50 m/s to 0.96 m/s.
Stride length increased from 0.58 m to 0.95 m post-training and 1.00 m at 1-month follow-up.
Significant improvements were observed in peak hip and knee flexion, endurance, fall risk, and perceived recovery.

Implications:

Pressure-controlled treadmill training may be a viable alternative to traditional methods for stroke rehabilitation.
This technology could enhance functional recovery and participation in individuals with chronic stroke.
Further research with larger sample sizes is warranted to confirm these findings.