Down syndrome can be characterized by global mental and physical dysfunction or isolated gait, cognition, growth, or sensory disturbances. This study was conducted to investigate the effect of the sensory integration approach on improving balance and motor coordination in children with Down syndrome.

Thirty children were enrolled in this study and randomly assigned to two groups: Group A received (sensory integration therapy program and training in physical therapy) and received group B (physical therapy training program only). Motor coordination and balance were assessed before and after exercise for all children using Bruininks - Oseretsky Test of Motor Proficiency - 2nd Edition.

Inclusion Criteria:

• children with Down syndrome
• the ages of five and ten years who can walk
• their IQ is more than 75%

Exclusion Criteria:

• they had a serious neurological disorder (epilepsy), orthopedic problems, upper or lower limb surgery, vision or hearing problems, use of medications that impair behavior or attention, and suffered from advanced intellectual disability