We present a method for measurement of human tissue compliance in vivo using a commercial haptic interface to apply known step changes in force while recording the resulting displacements. We introduce our system, the soft-tissue compliance meter. Our motivation was to improve the compliance realism of our virtual haptic back model, but there are many potential applications for this method. We present calibration of the haptic interface, pseudostatic compliance measurement techniques, measurement of contracted muscle compliances, and several important issues affecting our results.
Issue Section:
Research Papers
Keywords:
biological tissues,
biomechanics,
biomedical equipment,
biomedical measurement,
calibration,
computerised instrumentation,
haptic interfaces,
mechanical variables measurement,
medical computing,
muscle,
virtual reality,
Virtual Haptic Back,
in vivo human body compliance measurement,
human tissue properties,
palpatory diagnosis,
haptics,
biomechanics
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.Copyright © 2007
by American Society of Mechanical Engineers
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