605 電気刺激による筋力補強効果

概要

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Electrical stimulations such as FES and TES have been widely used in the rehabilitation of paralyzed patients whose natural nervous control of muscular contraction were lost due to a spinal cord injury. Also the stimulation is used for keeping or reinforcing skeletal muscles. We tried to reinforce skeletal muscles based on our new idea on training method. Our idea on stimulation timing is that the timing is adopted for the antagonist muscle to resist the agonist muscle contraction. For comparison, stimulation was applied to the arm while extended. We experimented to clarify whether the triceps brachii could be reinforced by electrical stimulation. We stimulated the triceps brachii and biceps brachii with a FES device. We examined the force and cross section of the muscle of the upper arm by using KIN/COM and MRI after a 12 weeks experiment. We obtained that the muscle and the force were more enlarged and improved, respectively than in the case of electrical simulation on agonist muscle directly. Muscle force can be reinforced by electric stimulation. Especially, agonist muscle will be strengthened by our new idea on training method. We obtained also data about thigh by same as experiment.
社団法人日本機械学会の論文
2003-08-05