GMFM (GMFM-66 & GMFM-88) User's Manual, 2nd edition (2nd ed.)

What is the GMFM? • The Gross Motor Function Measure (GMFM) is a clinical measure designed and validated to evaluate changes in the gross motor function in children with cerebral palsy (CP). • There are two versions of the GMFM: the original 88-item measure (GMFM-88) and the 66-item measure (GMFM-66). These items are administered in the same way—the difference between the two versions simply concerns which of the items (from the full pool of 88 possible items) are included in GMFM-66. • There ar