Objective: The purpose of this study was to determine the effects of core neuromuscular training on pain, balance, and performance in women with patellofemoral pain syndrome (PFPS). Methods: This randomized single-blind trial was based on a convenience sample of 28 women with unilateral PFPS. All participants were assigned randomly to the intervention or control group with a block randomization method. The control group received routine physical therapy exercise for PFPS. The intervention group received core neuromuscular training in addition to routine physical therapy exercise. The outcome measures evaluated were pain intensity (Visual Analog Scale), function (Kujala patellofemoral questionnaire and step-down performance test), and balance (Y balance test). Results: In both groups the pain score was significantly lower after treatment (P = .001). The slope of this trend was greater in the intervention group. The Kujala and step-down scores improved significantly after treatment in both groups, although the improvements were greater in the intervention group. The Y balance score improved in all 3 directions after therapy in both groups (P b .05); improvement was significantly greater in the intervention group only in the posteromedial direction (P = .016). Conclusion: For the group of participants studied, a 4-week core neuromuscular training plus routine physiotherapy exercise was more effective than routine physiotherapy exercise alone for improving pain, balance, and functional performance in individuals with PFPS.
The Functional index of hand osteoarthritis (FIHOA) is a commonly used patient-reported outcome questionnaire designed to measure function in patients with hand osteoarthritis. The objective of this study was to evaluate the validity and reliability of the Persian version of the FIHOA. The Persian-translated version of FIHOA was administered to 72 native Persian-speaking patients in Iran with hand osteoarthritis. Thirty-six of the patients completed the questionnaire on two occasions 1 week apart. The physical component of the SF-36 and a numerical rating scale were used to evaluate the construct validity of the Persian version of FIHOA. Internal consistency was high (Cronbach's alpha = 0.89). Test-retest reliability for the total score was excellent (weighted kappa = 0.89, 95% CI 0.79-0.94). A significant positive correlation between total FIHOA score and numerical rating scale (r = 0.70) and a significant negative correlation between total FIHOA score and the physical component scale of the SF-36 (r = -0.76) were observed. The Persian version of the FIHOA showed adequate validity and reliability to evaluate functional disability in Persian-speaking patients with hand osteoarthritis.
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