更新履歴

The right part of the body is unconsciously linked to the left part of the body. If you raise your left shoulder while you are performing, unconsciously your right shoulder also rises. If unreasonable stress is forced on one side of the body, the other side of the body also suffers it without knowing.あなたの身体は無意識に左右連動しています。演奏中左肩を上げると、無意識に右肩もあがってしまいます。...