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| Methods | Randomised controlled trial |
| Participants | 100 women, 18 to 40 years of age, with chronic non‐specific low back pain (VAS between 4 and 7) for longer than 4 months |
| Interventions | Intervention (n = 28): pulsed ultrasound Intervention (n = 30): continuous ultrasound Control (n = 29): pulsed laser Control (n = 24): no treatment |
| Outcomes | Pain intensity (VAS); back‐specific functional status (Roland Morris Disability Questionnaire) |
| Notes | ClinicalTrials.gov NCT02150096 |
