The role of leg length discrepancy in low back pain

The efficacy of correction of leg length discrepancy on low back pain among meat industry workers

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN11898558

Enrollment

Registered

2011-03-03

Start date

2009-02-05

Completion date

Unknown

Last updated

2016-10-17

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

Conditions

Low back pain Musculoskeletal Diseases Low back pain

Interventions

Ultrasound is used to measure both legs of the participants and the leg length discrepancy (LLD) 5mm or more. We also ask if the participants have low back pain (LBP) scale 1-10. Then we randomise the

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Any current low back pain [at least one on a 10-cm Visual Analog Scale (VAS)] and leg length discrepancy of at least 5 mm (measured with a laser-based method) 2. Workers with prolonged occupational standing and/or walking within meat industry (carvers and packers) 3. Exposure to occupational standing and/or walking of at least 10 years 4. Age 35 years or more

Exclusion criteria

Exclusion criteria: 1. Any spinal red flags 2. Nerve root entrapment 3. Any previous leg fractures behind leg length discrepancy

Design outcomes

Primary

Measure	Time frame
Intensity of low back pain (10 cm-VAS), measured at the beginning of the study and after 3, 6 and 12 months	—

Secondary

Measure	Time frame
1. Oswestry Disability 2. Roland-Morris Disability 3. RAND-36 Quality of Life Measured at at the beginning of the study and after 3, 6 and 12 months	—

Countries

Finland

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 4, 2026