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Evaluation of airline exercises prescribed to avoid deep vein thrombosis using fiber Bragg grating sensors

Prasad, Arudi Subbarao Guru and Omkar, Subbarama Jois Narasipur and Anand, Kalegowda and Hegde, Gopalkrishna Mahadeva and Asokan, Sundarrajan (2013) Evaluation of airline exercises prescribed to avoid deep vein thrombosis using fiber Bragg grating sensors. In: JOURNAL OF BIOMEDICAL OPTICS, 18 (9).

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Official URL: http://dx.doi.org/10.1117/1.JBO.18.9.097007


Various leg exercises have been recommended to prevent deep vein thrombosis (DVT), a condition where a blood clot forms in the deep veins, especially during long-haul flights. Accessing the benefit of each of these exercises in avoiding the DVT, which can be fatal, is important in the context of suggesting the correct and the most beneficial exercises. Present work aims at demonstrating the fiber Bragg grating (FBG)-based sensing methodology for measuring surface strains generated on the skin of the calf muscle to evaluate the suggested airline exercises to avoid DVT. As the dataset in the experiment involves multiple subjects performing these exercises, an inertial measurement unit has been used to validate the repetitiveness of each of the exercises. The surface strain on the calf muscle obtained using the FBG sensor, which is a measure of the calf muscle deformation, has been compared against the variation of blood velocity in the femoral vein of the thigh measured using a commercial electronic-phased array color Doppler ultrasound system. Apart from analyzing the effectiveness of suggested exercises, a new exercise which is more effective in terms of strain generated to avoid DVT is proposed and evaluated. (C) 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)

Item Type: Journal Article
Additional Information: copyright for this article belongs to SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, USA
Keywords: biomechanics; Bragg gratings; exercise evaluation; fiber optic sensing applications; fiber sensing; strain sensors
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited: 25 Mar 2014 09:40
Last Modified: 25 Mar 2014 09:40
URI: http://eprints.iisc.ac.in/id/eprint/48651

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