Biofeedback With Cycling Exercise in OA Knee Patients

Exclusion Criteria

• •if the participant had been diagnosed with OA in the hip or ankle joints, had a lower extremity joint replacement, had knee joint arthroscopic surgery or intra-articular injections within 3 months prior to testing, had systemic inflammatory arthritis such as rheumatoid or psoriatic arthritis, had lower back pain that referred to the lower limbs, or those who had cardiovascular disease or other risk factor which precluded participation in aerobic exercise