Self-rehabilitation At Home After LumbaR Arthrodesis (SAHARA)

Inclusion Criteria: * Lumbar pain and/or nerve root pain and/or limp without any motor deficiency of the limbs, before and/or after surgery (if any motor deficiency occurs after surgery, it will be a secondary exclusion criteria) * Surgery for posterolateral lumbar arthrodesis, from a degenerative etiology, from 1 to 3 lumbar levels (one level means one inter-somatic space) * Surgery indication after optimal medical treatment, including appropriate pain medicine, and fail of medical treatment for reducing lumbar pain and/or nerve root pain and/or limp * Return home possible after surgery * After signing consent during pre-operative visit with the surgeon Exclusion Criteria: * People under 18 years-old * Pregnant or breast-feeding women * Psychiatric and/or neurodegenerative comorbidity * Motor deficiency of the limbs before and/or after surgery * Iliac extension of arthrodesis * Any postoperative complication lengthening stay at hospital * Medical contraindication for early rehabilitation