A small and portable sports and rehabilitation device used to move and exercise leg or arm muscles while sitting. Used in physical therapy centers or at home to restore muscle strength and strengthen joints after injuries. Suitable for the elderly: It is a safe and easy option for the elderly or those suffering from joint and back pain to perform light exercises without strain. Multi-purpose: It can be placed on the floor to exercise the feet while sitting on a chair, or on a table to exercise the arms.