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Shoe insoles in the workplace |
Basford JR, Smith MA |
Orthopedics 1988 Feb;11(2):285-288 |
clinical trial |
2/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: No; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
Ninety-six women participated in a crossover study to evaluate the effectiveness of viscoelastic polyurethane insoles in reducing back, leg, and foot pain among adults who spend the majority of each work day standing. Twenty-five of the subjects reported that the insoles made their shoes too tight to be comfortable. The remainder, however, found the insoles very comfortable (p < 0.002, Wilcoxon, signed-rank test) and reported significant reductions in back pain (p < 0.02), foot pain (p < 0.03), and leg pain (p < 0.007). When these subjects were asked whether they would prefer to wear their shoes alone or with insoles, the preference for insoles was overwhelming (p < 0.007, back; p < 0.03, leg; and p < 0.009, foot pain). It is concluded that viscoelastic insoles can effectively improve comfort and reduce back, leg, and foot pain in individuals who must stand throughout the day.
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