by Denise L. Perron, BS, DC
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Dr. Denise Perron presently is Vice President of healthcare Division at Biotonix , a technology company in Montreal, Quebec, Canada. She has a Bachelors Degree in Biology and she received her DC degree from Palmer College. Before deciding to help advance Biotonix’s entry into healthcare markets, she had a high volume chiropractic practice in Montreal.
I can’t tell you how excited we are about our new scientific clinical instrument to measure human posture, the PosturePrint®. As I have reported in past issues of this journal, three validity studies (one each on the head, rib cage, & pelvis) were performed on a mannequin at the University of Quebec a Trois Rivieres in December 2004. These three studies showed that the PosturePrint® had an accuracy of approximately two degrees for all rotations and two millimeters for all translations.
Next (November 2005), we performed a reliability study with 40 student volunteers at the University of Quebec a Trois Rivieres, in which three examiners evaluated the 40 students twice over a two-day time frame. The statistical results of this study were in the excellent range for reliability and confirmed our confidence in this simple tool (three digital photographs of a standing subject) for evaluating the clinical upright posture of our patients.
Since the PosturePrint® has been shown to be both valid and reliable in the above mentioned four research projects, we used it to perform a fifth study at the University of Quebec a Trois Rivieres. We asked the 40 students to return after three months to have our Principal Investigator (Martin Normand, PhD, DC, Professor and Director of the Chiropractic program at the University) evaluate them again. This provided a pre-post comparison of 40 subjects with a three-month time period. Preliminary results of this study indicate that human neutral resting standing posture is stable over a three-month time period in university students.
At each stage in this research process, we are amazed at the accuracy of the PosturePrint® computer system. We have collected data on a 6th and 7th study with the PosturePrint® at the University of Quebec a Trois Rivieres. One is a reliability study on Dr. Deed Harrison’s Posture Index® and the 2nd study concerns sagittal posture data on school children at different ages. Next, as soon as we get our present papers submitted and accepted at Index Medicus journals, we plan to begin our Posture and Health study with the ICA
If you have any questions concerning PosturePrint®, you can contact me, Dr. Denise Perron at perrond@biotonix .com or Susan Bourck at bourcks@ biotonix. com.
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