{"product_id":"dr-f-格闘技の運動学-vol-4-反射と重力-実践編","title":"Dr.F Kinematics of Martial Arts vol.4 Reflections and Gravity [Practical Edition]","description":"\u003cdiv\u003eNew tips for leveling up: The body's innate reflex mechanism and an astonishing attack method utilizing Earth's gravity. Humans have a defense instinct called a \"reflex,\" which allows movement to occur without going through the brain. Attacks using this method are very difficult for opponents to respond to because the body moves before the information reaches the brain. Also, \"gravity\" on Earth gives weight to all beings, and effectively utilizing gravity and its reaction generates speed and power in attacks. Attacks that rely solely on one's own muscle strength become on another level by utilizing reflection and gravity. Dr.F's latest DVD, making a new mark in the martial arts world. \u003c\/div\u003e","brand":"闘道館","offers":[{"title":"Default Title","offer_id":41304625119304,"sku":null,"price":2500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3938\/8744\/files\/K0000000510847_1786277180_0.jpg?v=1786277210","url":"https:\/\/toudoukan.com\/en\/products\/dr-f-%e6%a0%bc%e9%97%98%e6%8a%80%e3%81%ae%e9%81%8b%e5%8b%95%e5%ad%a6-vol-4-%e5%8f%8d%e5%b0%84%e3%81%a8%e9%87%8d%e5%8a%9b-%e5%ae%9f%e8%b7%b5%e7%b7%a8","provider":"闘道館","version":"1.0","type":"link"}