Comparing Treatment of Knee Osteoarthritis With Triamcinolone Injections Using 40mg With Landmark Guidance and 20mg With Ultrasound Guidance

Inclusion Criteria: * Subjects who have already been evaluated within at least one of the 4 study clinics with any of the 3 providers who will be administering the treatment * Males or females age 50 and older * Already had completion of imaging of the affected knee(s) via radiography and/or MRI * Imaging demonstrates osteoarthritis of any severity * Diagnosis of primary osteoarthritis of one or both knees * One or more symptoms associated with the osteoarthritis of at least one knee * Patients able to provide informed consent in English and/or Spanish Exclusion Criteria: * Skin infection at or near area of injection site * Recent fracture of the same knee joint within past 6 months * Uncontrolled bleeding disorder * Intra-articular corticosteroid injection within past 3 months * Intra-articular HA injection within the past 3 months * Intra-articular PRP injection within the past 3 months * Presence of prosthetic knee joint in symptomatic knee * Inability to report symptoms due to cognitive impairment * Complete inability to ambulate, even with assistive device * Any person who is pregnant or less than 1 year post-menopause