AGED, ALTERNATIVE, BACK, BODY, CAUCASIAN, CLINIC, DOWN, ELDERLY, ELECTRODE, ELECTROTHERAPY, EQUIPMENT, HEALTH, HEALTHCARE, HUMAN, LYING, MALE, MAN, MASSAGE, MEDICAL, MEDICINE, NERVOUS, PAIN, PATIENT, PEAKSTOCK, PHYSICAL, PHYSIOTHERAPEUTIC, PHYSIOTHERAPY, PROCEDURE, RECOVERY, SENIOR, SPINE, STIMULATION, SYSTEM, THERAPIST, THERAPY, TOP, TREATMENT, VIEW, WHITE,