Secondary outcome measures will include the function , footwear and general foot health subscales of the FHSQ , severity of pain and stiffness at the first metatarsophalangeal joint ( measured using @ mm visual analog scales ) , global change in symptoms ( using a @-point Likert scale ) , health status ( using the Short-Form-@ Version @ questionnaire ) , use of rescue medication and co-interventions to relieve pain , the frequency and type of self-reported adverse events and physical activity levels ( using the Incidental and Planned Activity Questionnaire ) .