Method for measuring lateral bending angle of human spine based on posture and position sensors

Abstract

The invention discloses a method for measuring the lateral bending angle of a human spine based on posture and position sensors. The method comprises the steps that firstly, the posture sensors and the position sensors are adopted to obtain three-axis angle information in a neighborhood of all fixed-line-length marking points on the spinous process line of the spine on the human back, the three-axis angle information in the neighborhood of all the marking points is preprocessed, the three-axis angles of the posture sensors on the marking points are obtained precisely, then a space analytic geometry method is utilized to calculate relative three-dimensional coordinates of all the marking points, numerical value points between all the marking points are obtained by being matched with integerinterpolation, thus a space curve of the spine on the human back is obtained, finally, the spine main length is determined according to the number of the marking points, then the spine main length issubstituted into a correlation model to reconstruct a three-dimensional curve of the vertebrae morphology of the spine, and through obtained space curve information and by combining a method for analyzing a space angle through a space vector, the Cobb' angle used for quantitative evaluation of the malformation degree of the spine is calculated. According to the method, lateral bending of the spine can be recognized portably, noninvasively and quickly.

Description

technical field [0001] The invention belongs to the technical field of sensors, in particular to a method for measuring the scoliosis angle of the back of a human body based on a posture and position sensor. Background technique [0002] At present, the incidence of spine in primary and secondary schools is rising rapidly, becoming a major problem that endangers the growth of adolescents in our country. If scoliosis occurs in the spine of young students, it will not only affect their physical beauty, but also cause great trauma to their psychology and spirit. At the same time, severe scoliosis will oppress the internal organs of the heart, which will seriously affect blood circulation and breathing. If left untreated it can lead to disability and paraplegia. [0003] Scoliosis, also known as scoliosis, is caused by the deviation of the spine segment from the centerline of the back on the coronal plane of the human body and bending to the side. Usually accompanied by spina...

AI Technical Summary

Problems solved by technology

At present, the most routine method used in the detection of scoliosis is X-ray, which is highly radioactive, which is not good for the body of adolescents who are developing

At the same time, the use of X-rays is not suitable for the scoliosis screening of primary and secondary school students

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