S1601-2-4 筋音センサを用いた下腿筋状態評価に関する研究(生物医学工学における計測と制御(2),社会変革を技術で廻す機械工学)

概要

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This paper describes a development of a measurement system for monitoring muscle activities of gastrocnemius muscle using a mechanomyogram (MMG) sensor. The measurement system is composed of MMG sensor, load cell and monitoring display. In MMG measurement of gastrocnemius muscle, the subjects sit on the measurement system in the long sitting position and perform a leg isometric constraction against a footboard with load cell. In experiment, for stable and reproducible measurement, proper footboard angle and proper force stepping on the footboard are investigated. First, to decide proper footboard angle, MMG measurement are carried out under conditions with three kind of footboard angle. Next, to decide proper exerting force, MMG measurement are carried out under conditions with three kind of force. As a result, it is found that the MMG measurement can be carried out stably and reproducibly under conditions that footboard angle is π/9[rad], and force is 7[%] of maximum voluntary contraction.
一般社団法人日本機械学会の論文
2010-09-04