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Relationship Between Cervicovertebral Angle (CVA) and Upper Extremity Strength and Determination of a CVA Cut-off Value for Neck Pain

Relationship Between Cervicovertebral Angle (CVA) and Upper Extremity Strength and Determination of a CVA Cut-off Value for Neck Pain

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0011501
Enrollment
160
Registered
2026-01-20
Start date
2026-01-15
Completion date
Unknown
Last updated
2026-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

None listed

Sponsors

Yonsei University Mirae Campus
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Participants : The participants were male and female manufacturing workers aged 20–50 years. - Neck Pain Group 1. Experienced neck pain within the past 6 months. 2. Reported a pain intensity of 5–8 on the Numeric Pain Rating Scale (NPRS). 3. Reported pain localized to the lower cervical region. 4. Experienced neck pain on at least 5 days per week. - Non-Pain Group 1. Reported no neck pain during the past 6 months. 2. Reported an NPRS score of 0 or a pain level not considered clinically meaningful.

Exclusion criteria

Exclusion criteria: Exclusion Criteria 1. A history of neck or shoulder injury or surgery 2. A diagnosed orthopedic, neurological, or psychiatric disorder 3. Rheumatic disease or chronic respiratory disease 4. Inability to participate in the study due to pain severity.

Design outcomes

Primary

MeasureTime frame
Cervicovertebral Angle, (CVA);upper extremity muscles strength;Questionnaire (Average daily sleep time, neck pain questionnaire (Northwick Park Neck Pain Questionnaire), pain location, pain score, and frequency)

Secondary

MeasureTime frame
shoulder abductor strength;elbow flexor strength;elbow extensor strength;shoulder external rotator strength

Countries

Korea, Republic of

Contacts

Public ContactYul-ji Won

Yonsei University Mirae Campus

yurjj301@yonsei.ac.kr+82-33-760-2971

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Jun 25, 2026