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BackgroundCorrect footwear fitting is acknowledged as being vitally important, as incorrectly fitted footwear has been linked to foot pathology. The aim of this narrative review was to determine the prevalence of incorrectly fitted footwear and to examine the association between incorrectly fitted footwear, foot pain and foot disorders.MethodsA database search of Ovid MEDLINE and CINAHL yielded 1,681 citations for title and abstract review. Eighteen articles were included. Findings were summarised under the categories of (i) children, (ii) adults, (ii) older people, (iii) people with diabetes and (iii) occupation- or activity-specific footwear. Differences in footwear fitting between sexes were also explored.ResultsBetween 63 and 72% of participants were wearing shoes that did not accommodate either width or length dimensions of their feet. There was also evidence that incorrect footwear fitting was associated with foot pain and foot disorders such as lesser toe deformity, corns and calluses. Specific participant groups, such as children with Down syndrome and older people and people with diabetes were more likely to wear shoes that were too narrow (between 46 and 81%).ConclusionA large proportion of the population wear incorrectly sized footwear, which is associated with foot pain and foot disorders. Greater emphasis should be placed on both footwear fitting education and the provision of an appropriately large selection of shoes that can accommodate the variation in foot morphology among the population, particularly in relation to foot width.

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BackgroundThe aim of this study was to compare centre of pressure (COP) characteristics between healthy adults with normal, planus or cavus feet who were allocated to groups based on reliable foot posture measurement techniques.MethodsNinety-two healthy adult participants (aged 18 to 45) were recruited and classified as either normal (n = 35), pes planus (n = 31) or pes cavus (n = 26) based on Foot Posture Index, Arch Index and normalised navicular height truncated measurements. Barefoot walking trials were conducted using an emed®-x 400 plantar pressure system (Novel GmbH, Munich, Germany). Average, maximum, minimum and range (difference between maximum and minimum) values were calculated for COP velocity and lateral-medial force index during loading response, midstance, terminal stance and pre-swing phases of stance. The COP excursion index was also calculated. One-way analyses of variance were used to compare the three foot posture groups.ResultsThe cavus foot exhibited the slowest average and minimum COP velocity during terminal stance, but this pattern was reversed during pre-swing, when the cavus foot exhibited the fastest maximum COP velocity. The planus foot exhibited the smallest lateral medial force index range during terminal stance. There were no differences between the groups for COP excursion index.ConclusionThese findings indicate that there are differences in COP characteristics between foot postures, which may represent different mechanisms for generating force to facilitate forward progression of the body during the propulsive phases of gait.

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