隨著電子產品快速發展，校園內使用的教具也逐漸數位化，更多的科技產品成為教學時的載體。小至學生使用平板電腦進行教學互動，大至課堂間教師採用電子白板等教具，不但能更即時了解學生的學習情況，也可以增加師生之間的互動，甚至提升學生在課堂間的專注力。隨著新型態教學工具的普及化，新創的教學載體在使用者長時間操作後是否造成肌肉骨骼傷害將成為一大議題。而若需要描繪出適合現有使用者的教具，必須先瞭解現有使用者的操作範圍，以及透過參數可適當預測使用者的操作情形。
本研究主要透過光學式動作捕捉系統，針對不同族群在使用電子白板時之操作範圍與資料庫資料進行研究與探討。同時以成人長時間操作時採用心理物理法量測可接受範圍，對比最大操作範圍進行縮放比例和角度分析預測。
實驗結果顯示，成人、孩童與模擬輪椅使用者的最大操作範圍皆會受到操作角度影響，且成人與孩童的最大操作範圍能夠使用身高進行預測，同時成人身高也能預測可接受操作範圍之縮放比例。而最大操作範圍之肩膀角度可透過操作高度進行預測，並分別推測出可接受操作時角度以及手肘角度。根據以上所述，期望本研究之結果能夠為電子白板之設計、肌肉骨骼角度風險評估帶來貢獻。

With the rapid development of electronic products, the teaching aids used in the campus are gradually digitized, and more and more technological products become the carrier of teaching. Not only can let the teacher know the students' learning situation more immediately, but also can increase the interaction between teachers and students. With the popularization of new teaching tools, whether musculoskeletal injury will be caused by the use of the teaching carrier will become a major issue.
The purpose of this study is to investigate the operating range of the electronic whiteboard in different groups, and to compare and discuss with the database data. At the same time, the acceptable range was measured by psychophysical method for adults. And the scaling ratio and angle between maximum operating range and acceptable range were analyzed and predicted.
The results show that the maximum operating range of the adult, child and simulated wheelchair user is affected by the operating angle. The maximum operating range of the adult and child can be predicted using height. The height of the adult can also predict the acceptable operating range. Finally, the shoulder angle of the maximum operating range can be predicted from the operating height, and the acceptable operating angle and elbow angle can be deduced respectively. Based on the above, it is hoped that this study will contribute to the design of electronic whiteboard and musculoskeletal risk.

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