A jointexercising device suitable for both lying and sitting patients comprises a tubular frame (11) having an inclined surface (20, 21), and a leg support (31) movable on the surface via an axle (39) and wheels (40). The support is attachable to the axle either via foot portion (33) or leg portion (32), and in either orientation. The inclination of the frame (11) is adjustable. Fences (51) allow leg lifting exercises without disengagement of the wheels (40).