GAGE, J. R. The Treatment of Gait Problems in Cerebral Palsy A Qualitative Description of Normal Gait. 2004, 42-70
ROSE, S. A. Kinematic and Kinetic Evaluation of the Ankle After Lengthening of the Gastrocnemius Fascia in Children with Celebral Palsy. J. Pediatr. Orthop. 1993, 13, 727-732
WINTERS, T. F. Jr. Gait Patterns in Spastic Hemiplegia in Children and Young Adults. J. Bone Joint Surg. Am. 1987, 69, 437-441
YNGVE, D. A. Vulpius and Z-Lengthening. J. Pediatr. Orthop. 1996, 16, 759-764