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Title Development of a novel non-invasive digital clinical assessment tool and its 3D measurable parameters for the orthotic treatment of adolescent idiopathic scoliosis / Sun Hae Jang.
Name Jang, Sun Hae. .
Abstract Adolescent Idiopathic Scoliosis (AIS) is the most common of the types of idiopathic scoliosis (IS), which has three-dimensional (3D) deformities which occur in the vertebrae, spine and rib cage during the adolescent period. The aetiology is still unknown but it is hypothesized to be multi-factorial. Orthotic treatment is the most commonly used conservative treatment for AIS to prevent curve progression and surgical intervention. Among the three pathological features of AIS, the coronal misalignment pattern is the most studied area because the two-dimensional (2D) coronal PA radiographic image is the most utilized as the primary clinical assessment tool and employed for both diagnosis and outcome measurement of AIS deformities in scoliosis clinics. The sagittal misalignment patterns have been the most unknown area of study. Lack of available comprehensive knowledge about the deformities of AIS in 3D space may leave clinicians to make assumptions in treating AIS. This may influence the success rates of orthotic treatment which have been inconsistent and found to vary considerably. The literature review and the survey project of this thesis also showed that there are not enough universally agreed-upon principles to guide orthotists in the 3D orthotic treatment of AIS, which may also induce significant quality deviations for each scoliosis orthotic device system.
Abstract This thesis introduced the development of a non-invasive digital calculating and visualisation assessment application by utilizing motion capture technology. This application can measure the corrective forces applied by corrective pads and provide immediate visual feedback on the computer screen by displaying the spinal misalignment and deformities numerically and visually, appearing in one of two colours depending on whether each value of 3DSPs is within the non-scoliotic reference range for that parameter while applying corrective forces. The feasibility of the newly developed assessment tool and measurable parameters was evaluated by showing their capability in quantifying 3D misalignment and deformities of AIS, by identifying the unclear 3D characteristics of AIS deformity, and by finding answers for some of the long-term unsolved biomechanical questions and current existing disagreements among the professional community involved in the orthotic treatment of AIS.In conclusion, this thesis demonstrated that these combined application tools can help clinicians and researchers to have a better understanding of the 3D misalignment and deformity patterns of idiopathic scoliosis, can contribute in establishing a unified and comprehensive 3D biomechanical corrective theory in orthotic treatment, and can lead to the improvement of orthotic clinical assessment and treatment outcomes in AIS.
Publication date 2018.
Name Rowe, Philip degree supervisor.
Name University of Strathclyde. Department of Biomedical Engineering.
Thesis note Thesis Ph. D. University of Strathclyde 2018 T15174

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