An investigation on torso model for monitoring compensatory movement of stroke patients during cross-body reaching

Jimmy, Danny Ding (2019) An investigation on torso model for monitoring compensatory movement of stroke patients during cross-body reaching. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

In this modern world civilization, stroke is known as one of the serious medical issue where almost nearly 800,000 people experience it each year. Due to brain damage, some stroke patients suffer the loss ofmotor function on the upper limb. Thus, compensatorymovements are often utilized by stroke patients to adapt to the loss of motor function. To further improve the rehabilitation process, extensive monitoring on compensatory movements of stroke patients required to be done.Several researchers have come up with ideas on this topic despite that, some of the process may cause discomfort for example involving palpation process, and required experienced and skills, such as to accurately pinpoint the anatomical landmark.Thus, this project aims to identify comprehensive marker model for torso movement, to evaluate the differences between the proposed marker model with sternum displacement, and to assess the proposed marker model in evaluating cross-body reaching in simulated stroke.The proposed model is a belt model.However, the scope of this study has been limited to upper body monitoring only which involve in task and movement assessment on orientation and translation.Two subjects were identified and by utilizing motion capture, the torso movement for assigned task were recorded.The data from the trials were then analyzed.Thus, the cumulative sternum displacement and the stroke angle were evaluated.Normal and simulated stroke have almost identical trajectory pattern and only can differentiate by the z-axis coordinate.For the stroke angle evaluation, there is a consistency of the torso angles obtained during task for normal condition subject.However, we can see difference when normal and simulated-stroke data are compared.Significant differences can be observed in simulated stroke torso angles data as these subjects incorporate compensatory movement which affect the angle in lateral flexion,axial rotation and flexion.The findings will contribute to the researchers around the globe and to apply simpler marker model to monitor the movement of a stroke patients.

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