Evaluating a low-fidelity inguinal canal model
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TEACHING ANATOMY
Evaluating a low‑fidelity inguinal canal model Jake Hindmarch1 · Khalil Bazzi1 · John Lahoud1 · Ali Malik1 · Sankar Sinha1,2 Received: 14 April 2020 / Accepted: 14 August 2020 © Springer-Verlag France SAS, part of Springer Nature 2020
Abstract Purpose The inguinal canal anatomy is of paramount clinical significance due to the common occurrence of direct and indirect inguinal hernias. However, the inguinal canal is often an area of great difficulty for medical students to understand. The aim of this study was to evaluate the use of a low-cost, low-fidelity inguinal canal model as a teaching and learning aid. Methods A low-fidelity inguinal canal model was introduced as a learning aid in an anatomy tutorial on the inguinal region. Students were randomised into intervention (n = 66) and control (n = 40) groups. Following the tutorial, all students completed a multiple-choice question quiz on the inguinal canal. The intervention group also completed a questionnaire evaluating the positive and negative aspects of the model. Results Students taught with the inguinal canal model achieved higher scores (mean: 88.31% vs 81.7%, p = 0.087). Positive aspects of the model as described by the students included its simplicity and ability to improve their three-dimensional understanding of the inguinal canal. Students requested more hands-on time with the model during the tutorial. Conclusion The present study supports current literature in that low-fidelity anatomy models are a useful adjunct to aid students’ learning of complex anatomical concepts. Students may benefit from creating their own inguinal canal model to retain as a personal study tool. Keywords Inguinal canal · Anatomy model · Low-fidelity model · Anatomy teaching
Introduction The inguinal canal is of paramount clinical significance due to the common occurrence of direct and indirect inguinal hernias, with a lifetime risk of 27% in males and 3% in females [5]. A sound understanding of the anatomy of the inguinal canal is vital when assisting and performing inguinal hernia repairs. However, due to its three-dimensional nature, the inguinal canal is often a source of great difficulty for medical students to understand [6]. The use of high-quality cadaveric specimens could be considered the ideal means to teach a difficult three-dimensional concept; however, adequately prepared prosections may neither be readily available nor accessible for medical students. * Jake Hindmarch [email protected] 1
Department of Anatomy, The University of Notre Dame Australia, 160 Oxford Street, Darlinghurst, Sydney, NSW 2010, Australia
Department of Surgery, University of Tasmania, Hobart, TAS, Australia
2
Low-fidelity anatomy models have been widely used to aid students’ learning of complex anatomical concepts [7]. Several advantages of these models have been described, including their ability to serve as memory aids, reduce the cognitive load of learning a new concept, and increasing student enthusiasm and participation [3]. Such models are p
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