So et al (2017) Ai Chi and osteoarthritis

[Purpose] To examine the efficacy of Ai Chi in relieving the pain and stiffness of knee osteoarthritisand improving, physical functioning, proprioception and quality of life.

[Subjects and Methods] Twenty-fivepersons with knee osteoarthritis completed 5 weeks Ai Chi practice (60 minutes per session, twice per week, 10sessions in total). Knee pain and stiffness were measured before and after the intervention program.

[Results] Significantimprovements in pain, self-perceived physical functioning and self-perceived stiffness were observed afterthe Ai-Chi intervention. On average, no significant change in knee range of motion, 6-minute walk test distancesor proprioception was observed.

[Conclusion] A five-week Ai Chi intervention can improve the pain and stiffnessof knee osteoarthritis and self-perceived physical functions and quality of life improvement. Ai Chi may be anothertreatment choice for people with knee OA to practice in the community.

Key words: Aquatic exercise, Knee osteoarthritis, Tai Chi