• Daniel Cury Ribeiro, Gisela Sole, J Haxby Abbott, and Stephan Milosavljevic.
• Centre for Physiotherapy Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand. daniel.ribeiro@otago.ac.nz
• Ergonomics. 2013 Jan 1; 56 (6): 977-91.

Objectiveto determine the reliability and the concurrent validity of the Spineangel lumbo-pelvic postural monitoring device.Methodsthe dynamic lumbo-pelvic posture of 25 participants was simultaneously monitored by the Spineangel and Fastrak devices. Participants performed six different functional tasks in random order. Within-task, within-session and between-day intraclass correlation coefficients (ICC(3,1), ICC(3,5), ICC(2,5), respectively) reliability were calculated for Spineangel measurements. Concurrent validity of the Spineangel was assessed by means of a Bland and Altman plot and by means of Pearson's correlation coefficient and paired t-test.Resultswithin-task, within-session and between-day ICC for the Spineangel were found to be excellent (>0.93). The Spineangel and Fastrak pelvic measurements were found to have a good correlation (R = 0.77).Conclusionthe Spineangel is a reliable and valid device for monitoring general lumbo-pelvic movements when clipped on the belt or waistband of workers' clothing during various occupational activities.Practitioner SummaryThe Spineangel can be used for assessing lumbo-pelvic posture during work or daily-life activities. This device was found to provide reliable and valid measurements for lumbo-pelvic movements. Further research is required to determine whether the use of this device is clinically relevant for patients presenting with low back pain.

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