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J Med Eng Technol. 2015 Jan;39(1):75-8. doi: 10.3109/03091902.2014.968676. Epub 2014 Oct 28.

Investigations on postural stability and spatiotemporal parameters of human gait using developed wearable smart insole.

Author information

1
Biomedical Instrumentation unit, Central Scientific Instruments Organisation (CSIR-CSIO) , Sector 30-C Chandigarh , India.

Abstract

Measurement of spatiotemporal parameters of human gait is important for designing new, intelligent and efficient prosthetic and orthotic devices. The paper presents a novel application of smart insole for measuring force generated at various pressure points during dynamic gait on a human foot. Besides recording and analysing the spatiotemporal parameters during stance phase, the developed sensor is also used for development of active orthotic devices. Data from the sensors is analysed in LabVIEW software for detection of plantar force and temporal gait parameters. The smart instrumentation allows processing, display and storage of gait parameters and gait events in real time. Variations of pressure pattern reported by gait experiments can also be used in identifying an accidental fall. This information will be used as a feedback signal for controlling the motion of an indigenously developed gait assistive device, i.e. an active orthotic device. Pressure at the heel and great toe points is higher than the metatarsal heads during dynamic walk. It is higher at the heel and metatarsals points than the toe point during standing position.

KEYWORDS:

FSR; gait analysis; postural stability; spatiotemporal parameters; stance Phase

PMID:
25350821
DOI:
10.3109/03091902.2014.968676
[Indexed for MEDLINE]

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