Assisted exercises for constipation

Inclusion criteria: Patients who meet all of the following criteria will be included: 1) Patients capable of providing written informed consent by themselves. 2) Patients presenting with constipation symptoms based on the Rome IV diagnostic criteria. 3) Patients classified as Hoehn and Yahr stage III-IV. 4) Patients who are able to wear the device (waist width <370 mm; however, patients outside this range may also be eligible if the device can be fitted appropriately according to body size). 5) Patients who are able to attend outpatient visits in accordance with the study schedule during the study period. Exclusion criteria: Patients who meet any of the following criteria will be excluded: 1)Patients who have difficulty perform ing voluntary lower-limb movements in response to instructions because of impaired consciousness or severe intellectual disability. 2) Patients with severe skeletal deformities, such as osteoarthritis, spondylosis deformans, or scoliosis, for whom training involving joint movement or wearing the HAL device is considered difficult. 3) Patients with complications that may interfere with training, such as bleeding tendency or severe osteoporosis. 4) Patients who are unable to have the HAL bioelectrodes attached because of skin disorders or other skin conditions. 5) Patients currently using active implantable medical devices, such as cardiac pacemakers. 6) Patients currently receiving continuous subcutaneous infusion therapy. 7) Patients who participated in other clinical studies or research within 12 weeks before the start of this clinical study. 8) Patients judged by the principal investigator or sub-investigator to be inappropriate for participation in this study.