The aim is to evaluate the test-retest reliability of the primary care-adapted Ekblom-Bak submaximal ergometer bicycle test in patients with hip- and/or knee osteoarthritis (OA).
Forty patients with hip- and/or knee OA eligible for the Swedish national OA treatment program in primary care are to be recruited. After screening for contraindications, participants will perform the aEB-test twice within 1-2 weeks.
The investigators hypothezise that the test will demonstrate acceptable test-retest reliability in patients with hip- and/or knee OA.
To establish reliability is essential for future studies using this test in this population and may support its integration into routine clinical assessment.
Currently listed on the waiting list for an osteoarthritis rehabilitation program due to clinically diagnosed hip and/or knee osteoarthritis.
Another primary cause of symptoms or disability, such as inflammatory joint disease or fracture.
Another condition currently causing more symptoms than osteoarthritis, for example fibromyalgia.
Insufficient understanding of written and spoken Swedish.
Medication that affects heart rate.