Inclusion Criteria:  Patient over 18 years-old Patient undergoing percutaneous surgery for Hallux valgus with first hybrid and / or percutaneous ray procedure without rotation disorder, First line surgery, Absence of metatarsophalangeal osteoarthritis, Persistence of mobility of the hallux metatarsophalangeal gland, Subject benefiting from a social protection insurance Patient having signed the free and informed consent / Patient having given his express consent / Patient having been informed and not opposing this research.  Exclusion Criteria:  Rotation disorder, Rheumatoid foot, Hallux rigidus. Patient participating in another clinical study Minors: Adults under guardianship, curatorship or other legal protection, deprived of their liberty by judicial or administrative decision; Pregnant, breastfeeding or parturient woman; Hospitalized without consent.