INTRODUCTION
Knee osteoarthritis (OA) is a common age-related clinical
condition that has a major impact on function and
independence (1), including limitations in walking, stair
climbing, rising from a seated or prone position and
household chores (2-5). Total knee arthroplasty (TKA) is a
highly and increasingly prevalent surgery (6) recommended
to those with knee OA showing radiographic evidence of
joint damage, moderate to severe persistent pain and
clinically significant functional limitations that diminish