2018 年 17 巻 1 号 p. 1-6
In this research, in order to judge whether running movements are good or poor, we have aimed at developing a measurement system using a 3-axial acceleration sensor and a wireless communication function, to verify the possibility of immediate feedback and objective evaluation. Participants, equipped with our new measurement system conducted a 50 m run, and we compared the results obtained by the conventional image analysis system and our measurement system. We found that the total number of steps by the image analysis and our measurement systems matched for 2 participants, whereas they were different for 5 participants. To identify a cause for this, we analyzed the acceleration for each of the x, y, and z axes, from which we considered the resonance caused by the shock of feet hitting the ground, not the body motion, was the cause of the power reduction.
