['BACKGROUND. Correction of the deformities of the lower limbs in CP children is currently attempted in one go by using multi-level surgery in one operation involving multiple procedures. MATERIAL AND METHODS. We examined from patient records the surgical outcomes and operative harms of 40 CP children operated in the HUS Department of Gynecology and Pediatrics in 2000 to 2010. Clinical examination and analysis of gait were the most important methods of assessment.'] Does [ Multi-level surgery of a limb improve walking ability of a CP child ]?