I'll have to review this:

Pediatric Physical Therapy: Winter 2010 - Volume 22 - Issue 4 - p 417–426 doi: 10.1097/PEP.0b013e3181f9d5b8 Case Study

Effects of Motor Control Intervention for Children With Idiopathic Toe Walking: A 5-Case Series

Clark, Elaine PT, DSc, PCS; Sweeney, Jane K. PT, PhD, PCS, FAPTA; Yocum, Allison PT, DSc, PCS; McCoy, Sarah W. PT, PhD