Patients who have undergone arthrodesis of the first metatarsophalangeal joint due to hallux valgus or hallux rigidus are invited to participate in this study, which aims to investigate how the foot functions after this operation. Patients between 18 and 60 years of age at the time of surgery are eligible to participate. Questionnaires will be distributed to assess current sports function compared with function prior to surgery. Particular focus will be placed on function during cross-country skiing.

Inclusion Criteria:

• Patients who has underwent arthrodesis of the first metatarsofalangeal joint because of hallux rigidus or severe hallux valgus
• Patients at age 18-60 at the date of surgery
• At least one year follow-up, and maximum 5 years since surgery.

Exclusion Criteria:

• Non-Norwegian-speaking patients.
• Impaired walking function.
• Inability to cooperate.
• Concomitant osteotomy of other metatarsals.
• Revision arthrodeses.
• Patients undergoing follow-up or evaluation for pseudoarthrosis.

Patients who underwent arthrodesis of the first metatarsophalangeal joint at Oslo University Hospital, Martina Hansens Hospital, or Sørlandet Hospital within the past 1-5 years will be evaluated for enrollment