this study will be conducted to investigate the effect of sustained natural apophysial glide and Instrument assisted soft tissue mobilization on pain intensity, cervical range of motion and neck functional disability level in patients with chronic mechanical neck pain
Sixety patients of chronic mechanical neck pain diagnosed and reffered from physicians will be participants in the study .
Patients of both genders will be included.
The age of the participants will beranged from 20 and 55 years
The BMI ranged between 18.9 and 25 kg/m2
Malignancy
cervical and cranial surgery
Recent fractures
spinal tumors