Background Elevated forefoot plantar pressures have been reported in patients with Rheumatoid Arthritis (RA).1 However, the temporal measures of plantar pressure have not been reported to date.
Objectives and methods A computerised foot pressure measurement system (Musgrave Footprint TM) was used to assess plantar pressure variables in 25 subjects with RA of between 5 and 10 years duration and an age/sex matched comparison group. The pressure variables studied were the magnitude and duration of peak plantar pressure.
Results There were no significant differences in the magnitude of peak pressure between the groups. Whereas the duration of peak pressure was significantly longer in the rheumatoid group (p > 0.001).
Conclusion Subjects with RA in this study demonstrated marked increases in the temporal parameters of plantar pressure distribution rather than those of amplitude.
Recommendations The implications for management – using footwear or orthoses; are that temporal, rather than spatial parameters, should be addressed.
Woodburn J, Helliwell P. Relationship between heel position and distribution of forefoot plantar pressures and skin callosities in RA. Ann Rheum Dis. 1996;55:806–10
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