Abstract: This invention relates to a rowing exerciser and in particular to one comprising a front rod, a rear rod, a frame connected across the front rod and the rear rod, a seat movably mounted in the frame, a pair of front connectors, a pair of rear connectors, a pair of hydraulic cylinders each having one end pivoted on a front connector, a pair of swivel arms each having one end pivoted on a rear connector, a pair of adjustable members each being provided at the middle of a swivel arm, and a pair of U-shaped blocks each pivoted on an adjustable member in one direction and rotatably connected with the other end of the swivel arm in another direction.

Abstract: This invention relates to an improved running exerciser and in particular to one which mainly comprises a base frame having a first shaft and second shaft, a pair of inverted U-shaped members each mounted at one side of the base frame, a track in the form of endless loop around the first shaft and the second shaft, a pulley fastened on one end of the first shaft, a motor assembly having a tubular rod enclosing the first shaft, a pair of conical clutch discs put over a driving shaft of the motor assembly, a belt connecting the pulley to the clutch discs, a speed control mechanism mounted on one of the inverted U-shaped members for regulating speed of the track, and a stand for lifting front end of the base frame to incline the endless loop to form a slope.