ストレッチ｜Strech｜2019/08/29

時代は筋力アップ中心でストレッチの本が少ないみたいだけれど、すこしずつ身体の柔軟性をアップさせよう。 It seems that there are few stretch books with a focus on strength improvement these days, but I will try improve gradually the flexibility of the body. 2019/08/29