Rehabilitation exercise device for upper and lower limbs

A rehabilitation exercise device for upper and lower limbs, the rehabilitation exercise device comprising:

• a first support configured to support a user's hand or foot,
• a second support configured to support a user's forearm or calf,
• a pair of first hinges rotatably connecting the first support and the second support to each other,
• a third support configured to support a user's upper arm or thigh,
• a pair of second hinges configured to rotatably connect the second support and the third support to each other, and
• a drive module selectively mounted on any one of the pair of first hinges and the pair of second hinges, and configured to pivot the first support or the second support;
• wherein at least one of the first hinges or at least one of the second hinges has a rotary shaft hole passing through the at least one of the first hinges or the at least one of the second hinges toward a drive shaft of the drive module;
• and
• wherein the drive shaft of the drive module passes through the rotary shaft hole and is coupled to one of the first hinges and the second hinges when the drive module is mounted on one of the first hinges and the second hinges, thereby the first support or the second support is pivoted by the driving of the drive module.