Related Experiment Video
Updated: Jan 15, 2026
Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults
Published on: November 7, 2014
Agreement and reliability of gait metrics measured using the stride smart system in the AlterG treadmill compared to
Michelle Lyons1, Kirsty Lindsay1, Louise Burnie1
1Department of Sport, Exercise and Rehabilitation, Faculty of Health & Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, United Kingdom.
Objective:
The AlterG treadmill provides bodyweight support and gait data for rehabilitation. Clinicians often use spatiotemporal gait parameters to assess a patient's progress during rehabilitation; therefore, the validity and reliability of these metrics are very important. This study aimed to assess the agreement and reliability of the spatiotemporal gait metrics measured by the Stride Smart system in the AlterG treadmill compared to the Xsens motion capture system during walking at different bodyweight support conditions.
Methods:
17 healthy adults walked on an AlterG treadmill at 3 km/h and 4 km/h at 4 bodyweight conditions (100, 75, 50, 25 %) while wearing Xsens sensors on the lower body, repeating this session 7.0 ± 0.7 days later. Gait metrics were calculated using the Xsens motion cloud software and the Stride Smart system. Agreement and between-session reliability for the Stride Smart Gait metrics were assessed.
Results:
Stride Smart gait metrics cadence, step length and stance time were reliable (ICC ≥ 0.621) and showed good agreement (r ≥ 0.602) for 100 and 75 % bodyweight, but not for 50 and 25 % bodyweight compared to the Xsens system.
Conclusions:
Therefore, clinicians should only use gait metrics at ≥ 75 % bodyweight to assess progress in rehabilitation when using the Stride Smart system on the AlterG treadmill.
