Inclusion Criteria:  Patients older than 18 years Midfoot arthritis of lesser TMTJ (second, third, rarely fourth and fifth) with ongoing disabling pain Able to give informed consent as documented by signature failed conservative treatment for a period of at least 3 months (CSI injections and/or orthotic devices)  Exclusion Criteria:  Concomitant fusion of 1st TMTJ Patients younger than 18 years Contraindication to undergo surgery or general anaesthesia Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. pregnancy