Gait Measurement in Stroke Patients

Dimensions were 7.0 m × 0.6 m and had a spatial accuracy of 1.27 cm and a temporal accuracy of one sample (240 Hz, ~4.17 ms) (GaitRite: Platinum model GaitRite, software version 4.5, CIR systems, NJ, USA). Gaitrite has been used extensively in the quantification of spatio-temporal measures in stroke [8 (link), 28 (link)].
High-cost wearable system The OPAL wireless accelerometer-based wearable system (APDM, Inc., Portland, OR, USA, https://www.apdm.com/wearable-sensors) comprises a tri-axial accelerometer, gyroscope and magnetometer [18 (link)] (128 Hz, 8Gb, 16 h of logging 8 h of streaming). The OPAL system has been used previously in stroke for quantification of spatio-temporal measures [18 (link), 20 (link)]. Only accelerometer data were used in the analysis.

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Moore S.A., Hickey A., Lord S., Del Din S., Godfrey A, & Rochester L. (2017). Comprehensive measurement of stroke gait characteristics with a single accelerometer in the laboratory and community: a feasibility, validity and reliability study. Journal of NeuroEngineering and Rehabilitation, 14, 130.

Publication 2017

Platinum model GaitRite

Opal Platinum Stroke

Corresponding Organization : Newcastle University

Other organizations : Northumbria University

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Variable analysis

independent variables

None explicitly mentioned

dependent variables

Spatio-temporal measures

control variables

Spatial accuracy of 1.27 cm
Temporal accuracy of one sample (240 Hz, ~4.17 ms)
Dimensions of 7.0 m × 0.6 m

notes

The information provided does not explicitly mention any independent variables that were manipulated by the researchers.
The dependent variables were the spatio-temporal measures quantified using the GaitRite and OPAL wearable system.
The control variables were the spatial and temporal accuracy of the measurement systems, as well as the dimensions of the measurement area.

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