“…In general, medications [ 5 , 6 ], psychotherapy [ 7 ], counseling [ 8 ], cognitive behavior therapy [ 9 ], self-care instructions [ 10 , 11 ], and rehabilitation or therapeutic exercises [ 12 , 13 ] are recommended as treatments for FM patients. Underwater walking is a therapeutic exercise that has often been utilized for gait training for patients with painful diseases, such as osteoarthritis [ 14 ], rheumatoid arthritis [ 15 ], arthroplasty [ 16 ], and FM [ 17 – 20 ]. Although the functional activity of antigravity muscles, such as the erector spinae, gluteus maximus, quadriceps, and triceps surae, is required for walking, underwater walking appears to decrease overload on the antigravity muscles.…”