Follow-up and Outcome of Operative Treatment With Decompressive Release Of The Peroneal Nerve

Inclusion Criteria: * Written informed consent to participate in the study must be obtained from the subject or proxy / legal representative prior to initiation of any study-mandated procedure * EDX-documented peroneal nerve entrapment with persisting (10 ± 4 weeks) foot drop (MRC-score ≤ 3) * Imaging (ultrasound/MRI) performed to exclude a compressive mass * Age ≥ 18 years Exclusion Criteria: * Subjects with posttraumatic or iatrogenic peroneal nerve injury * Subjects with peroneal neuropathy due to a compressive mass (e.g. cyst, tumour) * Peroneal nerve entrapment at other sites than the fibular head * Patients with mental or physical problems that incapacitate them to participate in a physiotherapy program * Psychiatric illness * Pregnancy * Planned (e)migration within 1 year after randomization to another country * Subjects with previous foot drop * Permanently bedridden subjects * Subjects with neurological or musculoskeletal history which could impact foot drop assessment and/or gait analysis (e.g. polyneuropathy, hereditary neuropathy with pressure palsies, critical illness polyneuropathy, previous stroke, ankle surgery, …).