Description and classification of the effect of hamstrings lengthening in cerebral palsy children multi-site surgery

The purpose of multi-site surgery is to improve the cerebral palsy children’s gait by associating multiple surgeries on the same therapeutic time. It is therefore complex to isolate the effect of these actions in this multifocal context. To address this problem we chose to specifically identify the effect of hamstrings lengthening (Chang 2004) in cerebral palsy children with crouch gait. The purposes of this study were as follows: