DAid pressure socks system: Performance evaluation.

Abstract:

BACKGROUND:Plantar pressure measurement has been proven to produce crucial information for gait analysis. Socks with integrated textile pressure sensors are a promising tool for non-obtrusive plantar pressure acquisition and monitoring. RESEARCH QUESTION:Can the DAid Pressure Socks System be employed for the measurement of plantar pressure and temporal parameters during walking? METHOD:Plantar pressure measurement was acquired simultaneously by the DAid Pressure Socks System (DPSS) and Pedar® insole measurement system for a normal walking gait of 17 volunteers. The measurement from both systems was processed and gait temporal parameters were calculated. The calculated temporal parameters included stride time, step time, stance time, swing time, single support time, double support time, and cadence. The Intraclass Correlation Coefficient (ICC) was calculated to evaluate the agreement between the plantar pressure measurement and temporal parameters obtained from both systems. RESULTS:For plantar pressure measurement, excellent agreement (ICC > 0.90) was achieved in approximately 23 % cases, while in roughly 37 %, 27 %, and 13 % cases the agreement was good (ICC > 0.75), moderate (ICC > 0.50), and poor (ICC < 0.50), respectively. The mean relative differences (as a percentage) between the temporal parameter values calculated from the measurement of both systems were 0.80 % (stride time), 3.06 % (step time), 3.15 % (stance time), 5.08 % (swing time / opposite single support time), 14.47 % (double support time), and 0.78 % (cadence). SIGNIFICANCE:The ICC result calculated for the plantar pressure measurement indicated a reasonable agreement between both systems. Additionally, the relatively low mean difference was observed for 5 out of 6 calculated temporal gait parameters. Consequently, the presented DPSS could be considered as a substitute for the commercial gait analysis tools for applications that do not require great accuracy of the absolute plantar pressure measurement.

journal_name

Gait Posture

journal_title

Gait & posture

authors

Eizentals P,Katashev A,Oks A,Pavare Z

doi

10.1016/j.gaitpost.2021.01.007

subject

Has Abstract

pub_date

2021-01-14 00:00:00

pages

368-376

eissn

0966-6362

issn

1879-2219

pii

S0966-6362(21)00009-6

journal_volume

84

pub_type

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