Inclusion Criteria:  Clinical and radiological diagnosis of OA of the fingers of the hand and Rizarthrosis Patients with pain for at least 3 months Patients undergoing treatment and rehabilitation for finger OA and rhizarthrosis Patient with good understanding of the Portuguese language who agrees to participate and sign the ICF  Exclusion Criteria:  Posttraumatic arthritic changes Systemic inflammatory arthritis (Rheumatoid Arthritis, Lupus Erythematosus, Psoriasis…) Patients with local or systemic, acute or chronic infections