The Use of a 3-D Toy Model for Teaching Anatomical and Biomechanical Concepts of the Hip

Background: While many teaching strategies have been used within healthcare-related coursework, there is a paucity of literature in physical therapy education describing the use of toys for teaching challenging anatomical and biomechanical concepts. Among difficult concepts that may benefit from alternative teaching strategies are femoral torsion and angle of hip inclination. Given this, Tinkertoys were utilized as a means to demonstrate these concepts, allowing students to ÒseeÓ the effect that bone anatomy can have on distal structures. Purpose: To describe a simple model used to facilitate the teaching and learning of anatomical and biomechanical concepts of the hip. Methods: A cohort of physical therapy students who had previously been given a lecture regarding femoral torsion and hip angle of inclination were given a pre-test of basic knowledge in this area. Following the pre-test, a Tinkertoy model (circular wooden pieces as ankle, knee, hip and head of the femur with connecting dowels for the foot, leg, shaft of the femur, and femoral neck) was made and manipulated to simulate hip anatomy and mechanics along with a pelvic bone. At the end of class, a post-test was given. Four days later, another similar quiz was given. The information was also contained on the course written exam. Data Analysis: Repeated measures and subsequent pairwise comparisons were utilized for pre- and post-tests. Descriptive statistics were also utilized. Results: 36 students participated in the testing and the following scores were earned: pre-test: 27.8 ± 28.5%, post-test: 68.8 ± 29.5%, and four day post-test: 77.8 ± 21.3%. Students scored 100% on the exam question related to the concept as well. Pairwise comparisons showed significant differences between the pre-test and post-test (p=0.000) and pre-test and four day post-test (p=0.000). Differences were not present between the two post-tests. Conclusion: Using the Tinkertoy model was an effective method to teach the challenging anatomical and biomechanical concepts of femoral torsion and angle of hip inclination. Teaching Significance: Physical therapy education requires that students understand difficult concepts that are often hard to visualize. For faculty instructing those who are visual and multi-modal learners, finding a teaching strategy that may improve the way that students are able to envision difficult concepts is crucial. Utilizing Tinkertoys is one such effective strategy as an additional or alternative mechanism to teach the hip joint anatomy and structure.

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  • Control #: 2019390
  • Type: Poster
  • Event/Year: CSM2015
  • Authors: Deborah M. Wendland
  • Keywords: 3-D Model|Teaching strategies|Visual Aid

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