In a study by Molnar , ability to sit by age of 2 is a good prosnosticator for ability to ambulate. Childer who did not sit by 4 yrs did not achieve ambulation. Persistent infantile reflexes is a poor prognosticating sign for amb. Badell found that sitting and crawling at age 1.5 to 2.5 yrs are good prognosticating indicators. Triplegia Quadriplegia type is assoc with significant disability.
Legs are more involved than arms.
As in diplegia, sitting by age of 2 is a good prognosticating sign for amb. Associated with hyperbilirubinemia from Rh incompatibility. Rarer types are the rigid and atonic which carry poor prognosis. They have severe neurological deficits. Pure dyskinetics are the brightest.