{"product_id":"book0000300","title":"\"Core strength\" full-body exercise that works on inner muscles","description":"\u003cdiv\u003eSingle (Softcover) Seishun Publishing House \/ Lack of exercise due to the corona disaster.\u003c\/div\u003e\u003cdiv\u003eIn this book, we propose \"core strength exercise\" as a full-body exercise.\u003c\/div\u003e\u003cdiv\u003eJust by \"bending\", \"stretching\", and \"twisting\", you can eliminate lack of exercise and train the inner muscles of the whole body.\u003c\/div\u003e\u003cdiv\u003eEven if you don't go to the gym or pool, you can do \"core strength\" full-body exercises in your home as long as you have just one tatami mat of space. Videos that can be viewed on smartphones and PCs with.\u003c\/div\u003e","brand":"闘道館","offers":[{"title":"Default Title","offer_id":40544965820488,"sku":null,"price":300.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3938\/8744\/files\/K0000000003486_1768727164_0.jpg?v=1768727274","url":"https:\/\/toudoukan.com\/en\/products\/book0000300","provider":"闘道館","version":"1.0","type":"link"}