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[RC] foot magnets/pain - Ridecamp Guest

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Authors MH Winemiller, RG Billow, ER Laskowski, WS Harmsen
Title   Effect of magnetic vs sham-magnetic insoles on nonspecific foot pain in 
the workplace: A randomized, double-blind, placebo-controlled trial
Full source     Mayo Clinic Proceedings, 2005, Vol 80, Iss 9, pp 1138-1145

OBJECTIVE: To determine whether magnetic insoles are effective for relieving 
nonspecific subjective foot pain in the workplace, resulting in improved job 
satisfaction. SUBJECTS AND METHODS: A prospective, randomized, double-blind, 
placebo-controlled study of health care employees who experienced nonspecific 
foot pain for at least 30 days, which occurred more days than not, was 
conducted between February 2003. And January 2002 at the Mayo Clinic in 
Rochester, Minn. Participants were asked to wear or either magnetic or 
sham-magnetic cushioned insoles for at least 4 hours daily, 4 days per week for 
8 weeks. The primary outcome variable was reported foot pain (by categorical 
response of change from baseline and by visual analog scale) at 4 and 8 weeks. 
Secondary outcome variables included graded intensity of pain experienced 
during various daily activities and the effect of insoles on job performance 
and enjoyment. RESULTS: Among 89 enrolled participants, 6 either withdrew 
before wearing insoles or were noncompliant with follow-up questionnaires; 83 
participants remained for full statistical analysis. Participants in both 
treatment groups reported improvements in foot pain during the study period. No 
significant differences in categorical response to pain or pain intensity were 
seen with use of magnetic vs sham-magnetic insoles. CONCLUSIONS: The magnetic. 
Insoles used in this study by a heterogeneous population with chronic 
nonspecific foot pain were not clinically effective.

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