Related Experiment Video
Updated: May 29, 2026

12:18
An Instrumented Pull Test to Characterize Postural Responses
Published on: April 6, 2019
Cumulative postural exposure measured by a novel device: a preliminary study
Daniel Cury Ribeiro1, Gisela Sole, J Haxby Abbott
1School of Physiotherapy, University of Otago, 9015, Dunedin, New Zealand. daniel.cury.ribeiro@gmail.com
Ergonomics
|September 28, 2011
Summary
The Spineangel® device reliably monitors workplace posture. It measures cumulative lumbo-pelvic flexion exposure in healthcare workers, aiding in understanding occupational risks.
Area of Science:
- Occupational Health
- Ergonomics
- Biomedical Engineering
Background:
- Healthcare workers face risks from prolonged poor posture.
- Accurate monitoring of lumbo-pelvic posture is crucial for risk assessment.
- Existing monitoring methods may lack reliability or practicality.
Purpose of the Study:
- To assess the within-day reliability of the Spineangel® postural monitoring device.
- To measure cumulative lumbo-pelvic posture exposure in healthcare workers.
- To establish thresholds for postural exposure monitoring.
Main Methods:
- Twenty-one healthcare workers wore the Spineangel® device during work shifts.
- Within-day reliability was tested through repeated lumbo-pelvic flexion tests.
- Cumulative exposure was measured at different forward flexion thresholds (30°, 45°, 60°).
Main Results:
- The Spineangel® demonstrated excellent within-day reliability (ICC = 0.81).
- Mean exposures: 1069 instances/h above 30°, 121 instances/h above 45°, and 8 instances/h above 60° of lumbo-pelvic forward flexion.
- Reliable measurement of cumulative postural exposure was achieved.
Conclusions:
- The Spineangel® is a reliable tool for monitoring workplace posture.
- The device can quantify cumulative lumbo-pelvic posture exposure.
- This monitoring approach offers insights into occupational posture risks.

