A leg bodybuilding machine, a base has a pivot rod arranged in a horizontal direction, and one side of the base leans against the ground, one end of the base is provided with a cushion, a pair of pedals are arranged at intervals in the lateral direction, and each pedal is pivoted separately At both ends of the pivot rod, each pedal has a treading portion and a bottom surface formed in the longitudinal direction. The bottom surface is formed in an arc shape and can roll against the ground in the longitudinal direction. The user can step on the front and back to achieve the training leg Muscle purpose.一種腿部健美機，一底座具有沿橫向設置的一樞接桿，且底座的一側靠置於地面，底座的一端設有一座墊，一對踏板沿橫向呈間隔排列，且各踏板分別樞設於樞接桿的兩端，各踏板沿縱向形成有一踩踏部及一底面，底面沿縱向形成弧形且可滾動地抵於地面，使用者可藉由向前、向後踩踏以達成訓練腿部肌肉之目的。
