Exclusion criteria
craniocervical instability, congenital anomalies, abnormal facet, fracture, UC, Chronic deformity, arch anomalies
BENDING, GROUP B
Cervical congenital anomalies: simple fused vertebrae due to segmentation defect or complex craniocervical instability as unfused clivus (UC), abnormal facet complex, and accessory ossicles, ponticulus posticus, and arch anomalies [Chronic deformity more than 5 years.Cervical fracture with nail fixation.Sixty children aged from 12 to 18 years old were distributed into three groups of equal number:Group A: 20 patients (except 1 patient did not complete the study) received low-level laser therapy three sessions each week for 4 weeks.Group B: 20 patients received therapeutic ultrasound therapy, three sessions each for 4 weeks.Group C: 20 patient received stretch and strength exercise three sessions each for 4 weeks.All groups had stretch and strength exercise during treatment as follows:
The head was gently moved back.


The patient was perched on a chair, and one hand’s palm was pushed against the patients forehead. The exercise was then performed while maintaining pressure on the patient’s head’s side to prevent neck bending. The exercise performed for five times. The activity then shifted to the opposite side.