Craniovertebral Angle and Fibromyalgia Severity

Inclusion Criteria: * Aged 18-55 years * Diagnosed with Fibromyalgia (FM) according to The American College of Rheumatology (ACR) 2010 Diagnostic Criteria for Fibromyalgia Exclusion Criteria: * History of past or current pathology in the cervical spine, thoracic spine, or upper extremities * History of paraspinal or thoracic surgery involving the head, spine, or shoulders within the last six months * Structural spinal malformation * History of surgical or neurological disorders * Cervical trauma or pain treatment within the last 6 months * Temporomandibular surgery * Psychiatric disorders (e.g., dementia, amnesia, or delirium) * Systemic inflammatory rheumatic diseases