So right here, these are the motor units that are happening from her spinal cord out to her muscle right here, and as she's doing it, you're seeing the electrical activity that's happening here.
ここが 運動単位で 脊髄から ここの筋肉まで 来ているものです 彼女が動かす間 ここで その電気活動の様子を 見ることができます