Yonex New Roller Ball YOBC1022CR
Size: 72x72x55cm
Yonex wrist force ball men's decompression device students use self-starting arm force grip ball wrist exercise training device
Introduction to the original principle:
A purely artificial power mechanical device, no battery or any power source, no electromagnetic radiation, using the principle of gyro and celestial mechanics, using centrifugal force and the law of inertia to generate strong power when rotating to make the arm in motion, the user passes through the wrist The rotation to control the rhythm and intensity of the movement.
原原理介紹:
一種純人工動力的機械裝置,不需電池及任何電源,沒有電磁輻射,採用陀螺和天體力學的原理,利用離心力和慣性定律在旋轉時所產生的強大動力使手臂處於運動狀態,使用者通過手腕的旋轉來控制運動的節奏和強度。