{"title":"Fiber Braggs Grating Sensor Based Instrumentation to Evaluate Postural Balance and Stability on an Unstable Platform","authors":"Chethana K., Guru Prasad A. S., Vikranth H. N., Varun H., Omkar S. N., Asokan S.","volume":97,"journal":"International Journal of Physical and Mathematical Sciences","pagesStart":96,"pagesEnd":102,"ISSN":"1307-6892","URL":"https:\/\/publications.waset.org\/pdf\/10000316","abstract":"
This paper describes a novel application of Fiber
\r\nBraggs Grating (FBG) sensors in the assessment of human postural
\r\nstability and balance on an unstable platform. In this work, FBG
\r\nsensor Stability Analyzing Device (FBGSAD) is developed for
\r\nmeasurement of plantar strain to assess the postural stability of
\r\nsubjects on unstable platforms during different stances in eyes open
\r\nand eyes closed conditions on a rocker board. The studies are
\r\nvalidated by comparing the Centre of Gravity (CG) variations
\r\nmeasured on the lumbar vertebra of subjects using a commercial
\r\naccelerometer. The results obtained from the developed FBGSAD
\r\ndepict qualitative similarities with the data recorded by commercial
\r\naccelerometer. The advantage of the FBGSAD is that it measures
\r\nsimultaneously plantar strain distribution and postural stability of the
\r\nsubject along with its inherent benefits like non-requirement of
\r\nenergizing voltage to the sensor, electromagnetic immunity and
\r\nsimple design which suits its applicability in biomechanical
\r\napplications. The developed FBGSAD can serve as a tool\/yardstick to
\r\nmitigate space motion sickness, identify individuals who are
\r\nsusceptible to falls and to qualify subjects for balance and stability,
\r\nwhich are important factors in the selection of certain unique
\r\nprofessionals such as aircraft pilots, astronauts, cosmonauts etc.<\/p>\r\n","references":"[1] Alburquerque-Send\u00edn F, Fern\u00e1ndez-de-las-Pe\u00f1as C, Santos-del-Rey M,\r\nMart\u00edn-Vallejo F.J, \u201cImmediate effects of bilateral manipulation of\r\ntalocrural joints on standing stability in healthy subjects.\u201d Man Ther,\r\n2009, vol. 14, no. 1, pp. 75\u201380\r\n[2] Hahn T., Foldspang A, Vestergaard E, Ingermann-Hansen T. \u201cOnelegged\r\nstanding balance and sports activity.\u201d Scand J Med Sci Sports.\r\n1999 , vol. 9, pp. 15\u201318.\r\n[3] Laskowski E.R, Newcomer-Aney K, Smith J. \u201cRefining rehabilitation\r\nwith proprioceptive training: expediting return to play.\u201d Phys Sports\r\nmed. 1997, vol. 25, pp. 89\u2013102.\r\n[4] Horak F.B, \u201cClinical measurement of postural control in adults.\u201d Phys\r\nTher.1987, vol. 67, pp.1881\u20131885.\r\n[5] Woollacott M, Shumway-cook A, \u201cAttention and the control of posture\r\nand gait: a review of an emerging area of research.\u201d Gait Posture, 2002,\r\nvol. 16, no. 1, pp. 1-14.\r\n[6] Sartini, M, CristinaM. 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