Inclusion Criteria:  Children (male and female) Ages ranged from 9 months to 12 months Unilateral involvement of c5, c6 and c7 patients did not undergo surgery of the nerves or plexus  Exclusion Criteria:  Musculoskeletal or neuro-muscular abnormalities other than Erb's palsy Contractures or fixed limitations in the affected upper extremity Hypersensitivity to latex and adhesive tapes