Abstract
The GAITRite (CIR Systems Inc. Sparta, NJ) and Zeno Walkway (ProtoKinetics LLC. Havertown, PA) are electronic, pressure sensitive walkways used to measure spatiotemporal parameters of gait. GAITRite has been used extensively to measure gait characteristics of several populations including older adults. Recently developed, the Zeno Walkway has a non-carpeted and wider surface area than GAITRite and allows for uninterrupted, multiple walks across the mat. However, little information exists on the validity of Zeno Walkway to measure gait among older adults. PURPOSE: To determine concurrent validity of the Zeno and GAITRite walkways in healthy older adults. METHODS: Thirty healthy adults (mean age 74.7, SDV 6.44; 11 males) completed 5 walks each at normal and fast walking speeds across both walkways. The intraclass coefficient ICC (2,5) was determined for spatiotemporal gait parameters (listed in Table 1) to determine concurrent validity. RESULTS: See Table 1. CONCLUSION: The concurrent validity of Zeno and the GAITRite systems was generally moderate to strong, and greater for the fast condition. Lower correlations may be related to differences in the walkways (dimensions and surface), methods of collection or analysis.Table 1: ICC (2,5) values for spatiotemporal gait parameters at each speed.
Published Version
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