“…The structural and functional changes in the feet often affect gait and mobility (Turner et al, ; Woodburn et al, ; Turner et al, ), impacting negatively on the patient's quality of life (Otter et al, ; Wickman et al, ) and specifically restricting the choice of footwear (Goodacre and Candy, ; Williams et al, , ). For some people with RA, the structural changes are a factor in foot ulcer development (Firth et al, ), with the risk of infection, particularly if the patient's medical management includes the use of immunosuppressive drugs (Otter et al, ; Wilske, ).…”