Modulation of Sagittal Spinal Geometry in Children With Cerebral Palsy

Inclusion Criteria: * Have a definite diagnosis of spastic diplegia obtained from medical files or personal physicians and supported by magnetic resonance images (MRIs). * Their weight should be less than 40 kg. * The degree of spasticity in the affected lower extremity will ranged between grades (1, 1+\&2) according to Modified Ashworth Scale. * The levels of gross motor function will be selected at level II according to Gross Motor Function Classification System. * The children will be included have the ability to stand alone for five minutes. * Children should be able to understand and follow instructions. * The degree of the spinal kyphosis ,for all participated children , in sagittal plane should be not more than 55° as Kyphosis above 55° is considered as fixed hyper-kyphosis while Exclusion Criteria: * Children with GMFCS levels III, IV, and V or use any assistive mobility devices * Children suffering from allergic problems in their skin. * Children with visual, auditory or cognitive deficits. * Fixed and significant deformities of the lower limb and spine. * Children with surgical interference for the lower limb and spine within the previous 2 years. * Children with seizures. * Children with fixed hyper-kyphosis (kyphotic angle is more than 55°). * Children who used any medications (e.g., steroids) that affect growth or body composition.