Validation of the Spanish Version of the Neck Disability Index

Validation of the Transcultural Adaptation of the Neck Disability Index in the Spanish Population

The primary purpose of this study is to adapt the Neck Disability Index (NDI)and the Cervical Core Set 6 (CCS6) to the Spanish population. Other objectives are to determine the correlation between intensity of cervical pain, degree of disability, and quality of life; to determine the correlation between the NDI, CCS6 and the Northwick Park Neck Pain Questionnaire; and to determine factors that predict the chronification of disability.

Inclusion Criteria:

• patients who visit physician for cervicalgia
• with or without referred pain
• must be able to read and write

Exclusion Criteria:

• disease of central nervous system, with or without treatment
• migraine
• indications for surgery
• suspicion of systemic disease