Abstract

The purpose of this study was find out a throwing motion which actualize effective pitching. In this study, the multi-channel electromyography(EMG) measurement system using conductive fabric was designed. As a result, we found differences of EMG between beginner and expert. Experts bent their wrist toward the palm. Experts inflected elbow and lifted elbow to their shoulder height. Experts relaxed their muscles between taking back and release. In particular, storing of energy in tendon at taking back and using the energy between taking back and release are important for throwing motion which actualize effective pitching.