Exploratory outcomes
knee stiffness, knee pain
OSTEOARTHRITIS
Exploratory outcome measurements were included to ensure that feasibility was assessed with participants undertaking a study protocol as similar to a large-scale trial as possible. Symptoms were measured using visual analogue scale (VAS) knee pain (0–100 mm), Western Ontario and McMasters Universities Osteoarthritis Index (WOMAC) knee pain (0–500 mm), WOMAC knee function (0–1700 mm), WOMAC knee stiffness (0–200 mm) (lower is better), and Osteoarthritis Research Society International-Outcome Measures in Rheumatology Clinical Trials (OARSI-OMERACT) [