Inclusion Criteria:  Mild to moderate osteoarthritis with pain and/or dysfunction in one or both knees as defined as Kellgren-Lawrence grade 1-3 as defined by radiograph or arthroscopy Signed informed consent Ages: 18 - 80 years of both genders  Exclusion Criteria:  Pacemaker or any electrically active implant Health concerns disclosed at screening interview history and physical including initial laboratory values that in the opinion of a study health professional would preclude participation including a serious metabolic, infectious, neoplastic, neurologic or psychiatric disease. Persons who have had knee orthopedic surgery with the exception of arthroscopic surgery since previous arthroscopic surgery is not an exclusion criterion