The utility model relates to a structure which can reduce the pressure of the knee joint in an electric arc way, so as to achieve the rehabilitation effect of foot movement,The housing is equipped with a displayEccentric blockControl chip modulePower source and output shaft,The control chip module is electrically connected to the display,Both ends of the output shaft are combined with the center of eccentric block,The power source combines the output shaft and drives the output shaft and eccentric block to rotate；The pedals are respectively arranged on both sides of the shell,The bottom surface of the pedal is provided with a roller；A bearing pivot is arranged inside the pedal,One end of the connecting shaft is fixed on the eccentric block；With the above structure,The pedal is driven by a power source,The reciprocating displacement in circular arc mode is repeated,In a passive way, the user's feet move,Reduce the pressure on the knee joint,So as to achieve the effect of sports rehabilitation.一種以電動圓弧方式減緩膝關節壓力達到腳部運動復健效果之結構，殼體設置顯示器、偏心塊、控制晶片模組、動力源及出力軸，控制晶片模組電連接顯示器，出力軸兩端結合偏心塊中心，動力源結合出力軸並帶動出力軸及偏心塊轉動；踏板分別設置於殼體兩側，踏板底面設有滾輪；及連動軸穿設軸承樞設於踏板內部，且連動軸一端固定於偏心塊；藉由上述結構，踏板受到動力源的驅動，反覆進行圓弧方式的往復位移，以被動方式帶動使用者腳部進行運動，減緩膝關節壓力，進而達到運動復建之功效。
