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Category

Clinical Biomechanics

Document Type

Paper

Abstract

The aim of this study was 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. 17 healthy adults walked on an AlterG treadmill at 3km/h and 4 km/h at 4 bodyweight conditions (100, 75, 50, 25%) while wearing Xsens sensors, repeating this session 7.0 ± 0.7 days later. Gait metrics were calculated using the Xsens motion cloud software, and by the treadmill using the Stride Smart system. Agreement and between-session reliability for the Stride Smart Gait metrics were assessed. Stride Smart gait metrics were reliable (ICC ≥ 0.813) and showed good agreement (r ≥ 0.686) for 100 and 75% bodyweight, but not for 50 and 25% bodyweight compared to the Xsens system. Therefore, clinicians should only use gait metrics at ³75% bodyweight to assess progress in rehabilitation when using the Stride Smart system on the AlterG treadmill.

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