Inclusion Criteria:  Scheduled for surgery for lumbar radiculopathy Between 18 and 65 years old Willing to comply with pre-determined follow-up Speaking and reading Dutch fluently No new treatments/medication 3 weeks prior to participation and during the trial Having chronic back and/or leg pain ≥ 6 months Scoring ≥ 37/68 on the Tampa Scale for Kinesiophobia Scoring ≥ 30/52 on the Pain Catastrophizing Scale  Exclusion Criteria:  Surgery for another condition Symptoms of cord compression or bilateral leg pain Other chronic illness characterized by chronic pain Other chronic rheumatoid, neurological, endocrinological or psychiatric disorders Pregnant or have given birth during the past year No access to computer, or mobile device at home Complications during the surgery