An electrically conductive stretchable interconnect using the twisting properties of fiber yarns and a method of manufacturing the same are disclosed. According to an aspect of the present invention, the elastic structure guide tube is formed in the longitudinal direction, and the elastic structure and the elastic structure which is located inside the elastic structure guide tube and can be extended by a force applied in the longitudinal direction An electrically conductive stretchable interconnect is provided comprising an electrically conductive fiber yarn composed of an extension extending from the elastic body to the outside of the elastic body.
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