Core Stabalization and Rebound Therapy and CP

Inclusion Criteria: * children diagnosed with spastic hemiplegic CP. * Their chronological age ranged from 5 to 8 years, * able to follow verbal commands or instructions during testing procedures, * degree of spasticity in affected lower limbs ranged between1 to 1+ according to Modified Ashworth scale (MAS), * they are able to understand and follow instructions given to them, Exclusion Criteria: * Children who had significant visual or auditory problems that may interfere with testing, - ---- patients who had contractures or fixed deformities related to the joints of the lower limbs, ---- injection with Botulinium toxin or any orthopaedic surgery in lower limbs 6m before study, * children who were suffering from cardiopulmonary problems or epilepsy.