Introduction
pain, Knee osteoarthritis, disability, KOA
KNEE OSTEOARTHRITIS
Knee osteoarthritis (KOA) is a leading and increasingly prevalent cause of disability [The reasons for the lack of uptake are complex but include misconceptions that exercise causes joint harm [Outdoor walking is cost efficient, practical, and easily reproduced. Previous research has shown that walking can be used to reduce KOA-related pain and functional restrictions, but evidence for its potential effects on joint structure is contradictory [