NDLI: Comparison of non-volitional postural responses induced by two types of torso based vibrotactile stimulations

Content Provider	IEEE Xplore Digital Library
Author	Beom-Chan Lee Martin, B.J. Sienko, K.H.
Copyright Year	2012
Description	Author affiliation: Department of Mechanical Engineering, University of Michigan, USA (Beom-Chan Lee; Sienko, K.H.) \|\| Department of Industrial and Operations Engineering, University of Michigan, USA (Martin, B.J.)
Abstract	The purpose of this study was to characterize the non-volitional postural responses to torso-based vibrotactile stimulation as a function of stimulation location for two types of vibrating actuators (tactors). Eleven young healthy adults were asked to maintain an upright erect posture with their eyes closed. Two types of tactors, Tactaid (electromagnetic inertial transducer) and C-2 (voice-coil-type linear transducer), were placed over the left and right external oblique, internal oblique, and erector spinae muscles in two different trial series. Regardless of the tactor type, vibration applied over the internal oblique and erector spinae muscles induced a postural shift in the direction of the stimulation. For these four locations, the root-mean-square (RMS) of the sway was significantly greater during vibration than immediately before or after stimulation. Vibration-induced postural shifts and increases in RMS sway were greater for the C-2 than Tactaid tactors. Simultaneous activation of all tactors or those over the external oblique muscles did not produce significant directional postural shifts or increases in sway, regardless of the tactor type. The directional shifts of posture suggest that these non-volitional responses should be considered to improve the use of torso-based vibrotactile sensory augmentation display designed for clinical balance applications.
Starting Page	195
Ending Page	198
File Size	876155
Page Count	4
File Format	PDF
ISBN	9781467308083
e-ISBN	9781467308090
e-ISBN	9781467308076
DOI	10.1109/HAPTIC.2012.6183790
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-04
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibrations Muscles Vectors Skin Torso Humans Stability analysis tactor type Posture control vibrotactile stimulation directional response
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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