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Predictors of pain intensity and Oswestry disability index in prolonged standing service workers with nonspecific chronic low back pain that sub-classified active extension pattern

Predictors of pain intensity and Oswestry disability index in prolonged standing service workers with nonspecific chronic low back pain that sub-classified active extension pattern

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0002740
Enrollment
140
Registered
2018-03-16
Start date
2017-11-16
Completion date
Unknown
Last updated
2019-03-11

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
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) LBP for a minimum of 12 weeks 2) Pain in the lumbar regions 3) Clear mechanical basis of disorder: specific postures and movements that aggravate and ease the symptoms, and symptom relief in movements opposite to provocation testing as determined by subjective and objective clinical examination 4) Clinical diagnosis of AEP motor control impairment 5) Symptoms provoked with movements and postures involving extension of lower lumbar spine 6) Symptoms eased by movements into spinal flexion 7) Difficulty of adopting and/or maintaining neutral spine posture, with tendency toward hyperextension of lower lumbar spine

Exclusion criteria

Exclusion criteria: 1) Not fulfilling inclusion criteria 2) Red flags (specific causes of LBP, such as disc prolapse with radicular pain, inflammatory disease, or other serious pathology) 3) Pregnancy/breastfeeding 4) History of spinal surgery 5) Vestibular/visual/neurological dysfunction affecting balance 6) Not able to sit and/or stand from a stool unaided

Design outcomes

Primary

MeasureTime frame
Oswestry disability index;Pelvic anterior tiliting angle;Borg rating of perceived exertion scale;Korean occupational stress scale;Passive hip flexion range of motion;Passive hip extension range of motion;Passive knee flexion range of motion;Hip extensor strength;Hip abductor strength;Hip external rotator strength;Hip internal rotator strength;Knee extensor strength;Knee flexor strength

Secondary

MeasureTime frame
Visual analogue scale

Countries

Korea, Republic of

Contacts

Public Contactui-jae Hwang

Yonsei University

hwangu33@nate.com+82-33-760-2971

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026