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Innovative exercise as an intervention for older adults with knee osteoarthritis: a pilot feasibility study
Shellington EM, Gill DP, Shigematsu R, Petrella RJ
Canadian Journal on Aging 2019 Mar;38(1):111-121
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

Exercise has potential to mitigate morbidity in knee osteoarthritis (OA). Participants with knee OA were randomized to a square-stepping exercise (SSE) group (2x/week for 24 weeks) or a control group. We assessed the feasibility of SSE and its effectiveness on symptoms (WOMAC), balance (Fullerton), mobility, and walking speed at 12 and 24 weeks. The SSE group had a 49.3% attendance rate and trended toward improvement in the 30-second chair stand at 12 (F = 1.8, p = 0.12, eta2-p = 0.16), and 24 weeks, (F = 3.4, p = 0.09, eta2-p = 0.18), and walking speed at 24 weeks, compared to controls. There were no differences in symptoms or balance. The low attendance and recruitment demonstrated limited feasibility of SSE in adults with knee OA. Trends suggest the potential for SSE to improve lower extremity functional fitness and walking speed. SSE should be further studied for effectiveness on symptoms and balance, in addition to improving feasibility.

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