Design and Development of Electronic Moulage of Brachial Plexus Muscles to Enhance the Learning of Upper Limb Anatomy: An Interventional Study

Elnaz Khordad, Mohsen Akbaribazm, Mahmoud Ghorbani, Toktam Masoumain Hosseini
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Abstract

Background: Anatomy embraces various fields and is regarded as the foundation of medical sciences due to its broad clinical applications, particularly in surgery. However, teaching this subject, particularly in practical units, poses challenges, and insufficient anatomical knowledge and errors in anatomy-related decisions by physicians can lead to avoidable deaths and medical errors. This study aimed to design and develop an electronic moulage (EM) for teaching upper limb anatomy, specifically focusing on the muscles and brachial plexus (BP). Methods: This was a quasi-experimental study with a pre-test-post-test design. Electronic moulage has been implemented in a manner that allows independent structures within a compartment to be taught without the presence of a teacher or anatomical atlases and enables learners to comprehend the anatomical features and relationships of structures in both combined and isolated modes, even without prior knowledge of anatomical theory specific to that compartment. The EM incorporates a skeletal compartment system and a BP component, utilizing audio and visual systems to deliver a comprehensive educational experience. The effectiveness of the EM was evaluated by experts in anatomy and medical science students, comparing it to other teaching methods. Four groups of undergraduate medical radiology students with no prior instruction in upper limb anatomy participated in the study. Each group was assigned to a different training method, including lecture-based education, digital-based education with a simulator, cadaver-based education, and EM-based education. Results: After assessing the results using educational and motivational indicators, it was determined that the EM demonstrated innovative potential and could enhance motivation and the quality of anatomy education. Comparing the post-test scores of the EM-based education group to the other groups revealed significantly higher scores in the EM-based group. This finding indicates that the EM has the potential to improve the effectiveness and efficiency of anatomy education, addressing the limitations of other teaching methods. Conclusions: The developed EM presents a promising solution for enhancing anatomy education, particularly in the context of upper limb anatomy. The innovative features of EM and its ability to improve motivation and learning outcomes make it a valuable tool for teaching this subject matter.
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设计和开发臂丛神经肌肉电子模型,以加强上肢解剖学的学习:介入性研究
背景:解剖学涵盖各个领域,由于其广泛的临床应用,尤其是在外科手术中的应用,被视为医学科学的基础。然而,这门学科的教学,尤其是实践单元的教学面临着挑战,解剖学知识的不足和医生在做出与解剖学相关的决定时的失误会导致本可避免的死亡和医疗事故。本研究旨在设计和开发用于上肢解剖学教学的电子模拟模型(EM),尤其侧重于肌肉和臂丛神经(BP)。方法:这是一项采用前测-后测设计的准实验研究。电子模拟的实施方式允许在没有教师或解剖图谱在场的情况下讲授分区内的独立结构,并使学习者能够在组合和孤立模式下理解结构的解剖特征和关系,即使事先不了解该分区内特有的解剖理论。EM结合了骨骼分区系统和BP组件,利用音频和视频系统提供全面的教学体验。解剖学专家和医科学生对 EM 的效果进行了评估,并将其与其他教学方法进行了比较。四组未接受过上肢解剖学教学的医学放射学本科生参与了这项研究。每组被分配到不同的培训方法,包括讲座式教育、模拟器数字式教育、尸体式教育和电磁式教育。研究结果在使用教育和动机指标对结果进行评估后,确定电磁学具有创新潜力,可以提高动机和解剖学教育的质量。比较基于电磁教育组和其他组的后测分数,发现基于电磁教育组的分数明显更高。这一结果表明,针对其他教学方法的局限性,电磁学具有提高解剖学教学效果和效率的潜力。结论:开发的电磁学为加强解剖学教育,尤其是上肢解剖学教育,提供了一个很有前途的解决方案。EM的创新特点及其提高学习动机和学习效果的能力使其成为该学科教学的重要工具。
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8 weeks
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