the Degree of Forward Head Posture and Hamstring Muscles Tightness

I will measure the degree of forward head posture by photogrammetry method and classify the degree according to its severity measuring the hamstring muscles tightness and classify it too according to its severity and calf muscle tightness lumber flexibility and correlate the to the degree of forward the forward head posture and the degree

Inclusion criteria

• Adult participants 18-30 of age
• Craniovertebral angle < 490
• With or without neck pain

• subjects with mechanical neck pain (in individual with chronic non-specific neck pain)
• Subjects are not engaged in any sports or athletic routine Neck disability index >5 points

Exclusion criteria

.Prevalence of serious pathology (rheumatoid arthritis, ankylosing spondylitis, malignancy, infection, inflammatory disorders).

Vascular syndrome such as vertebrobasilar insufficiency Cervical spine history of trauma, fracture, congenital anomalies, or surgical intervention .

Progressive neurological deficits .

.History of lumbar and cervical herniated intervertebral disc with spinal stenosis History of neurological (Guillain-Barre, peripheral neuritis) or orthopedic disorders (osteoporosis, osteoarthritis) Moderate or severe scoliosis History of lower extremity fracture and surgery with malunion Leg length discrepancy BMI <18 or BMI >29.9