Correlation Between Cervical Deep Flexors Endurance and Proprioception Function in Cervical Radiculopathy

Inclusion Criteria: * Adults diagnosed with cervical radiculopathy based on clinical examination (± imaging confirmation). Presence of neck pain with radiating symptoms to the upper limb for at least 4 weeks. Age range 20-60 years. Ability to understand instructions and participate in cervical endurance and proprioception assessments. Exclusion Criteria: * History of cervical spine surgery or acute cervical trauma. Presence of neurological disorders other than cervical radiculopathy (e.g., stroke, multiple sclerosis). Vestibular disorders or conditions affecting balance and head position sense. Inflammatory, rheumatologic, or severe musculoskeletal conditions involving the cervical spine.