Effect of Diaphragmatic Release on Upper Crossed Syndrome

Inclusion Criteria: * Age ranged from 17 to 22 years . * Body Mass Index from 20 to 25 kg/m². * All participants have an intensity of neck pain on VAS (4-8) (moderate cases). * The subjects were chosen from both sexes. * All participants have kyphosis angle ≥42° * All participants have mechanical neck pain and FHP (craniovertebral angle CVA \< 49). Exclusion Criteria: * Malignancy * Fractures of the cervical spine * Cervical radiculopathy or myelopathy * Vascular syndromes such as vertebrobasilar insufficiency * Rheumatoid arthritis * Neck or upper back surgery * Taking anticoagulants * Local infection * Whiplash injury