Physical Therapy rehabilitation programs could involve Manual procedures, stretching, traction, massage, electrotherapy, thermal agents, ultrasound, education and general exercise..In the recovery of patients with neck pain, exercise is one of the most commonly used modalities to gain muscle strength, endurance, and flexibility in order to recover damaged muscles and to maintain regular life activities.. Neck pain management exercise programs vary in terms of length, training frequency, intensity, and mode of exercise. .

This study will be a randomized controlled trial that involved sixty patients of both gender with chronic neck pain with duration of at least six weeks that will be recruited into the study. They will be recruited from the out patient clinic of Faculty of Physical Therapy, Egypt ,their age ranged from (30-50) years old with mean age, their height ranged from (152-182) cm and their weight ranged from (55-90) kg , Patients will be included if they had a localized chronic neck pain without any current arm pain or discomfort were included.Groups:

A: twenty patients will receive traditional Physical Therapy agents, Group B: twenty patients will receive traditional Physical Therapy agents plus isometric, stretching, scapulothoracic exercises and deep neck flexors exercises; and Group C: twenty patients will receive traditional Physical Therapy agents plus isometric, stretching, scapulothoracic exercises and Mckenzie technique.

Inclusion Criteria:

1. age ranges from (30-50) years old with mean age,
2. height ranges from (152-182) cm and their weight ranged from (55-90) kg
3. Patients will be included if they have a localized chronic neck pain without any current arm pain or discomfort were included.

Exclusion Criteria:

1. history of cervical spine injury or surgery, if neck pain is secondary to other conditions (including neoplasm, neurological diseases or vascular diseases),
2. they have a radiculopathy presenting neurological deficit
3. they had infection or inflammatory arthritis in the cervical spine,
4. they have pain with any cause in or around the scapula, shoulder, upper extremities and lumbar spine that prevents stabilization of these structures.