• Bale LS
• Herrin SO
• Brandt NM
• Enos NM

• Affiliation / University of Western States
• Affiliation / University of Western States. Basic Sciences Department
• Affiliation(G) / United States / Oregon / Portland
• Anatomy / education
• Cadaver
• Dissection / education
• Education, Chiropractic
• Open Access Document
• Self-Directed Learning as Topic
• Surveys and Questionnaires

Objective: Muscle variants are common findings in dissection laboratories. These anomalous structures can be relevant in the diagnosis and management of certain conditions and therefore could be incorporated into anatomy curricula at chiropractic colleges. We aimed to create an online resource of muscle variants to facilitate student self-directed learning within this area of study.

Methods: At the time of their discovery during routine educational dissection, muscle variants included in the catalog were documented and subsequent case reports written. All content created for this resource, including photographs and videos, was hosted on the institution's learning management system. Students enrolled in our doctor of chiropractic program were invited to view the catalog and encouraged to leave feedback by completing an online survey.

Results: Student responses to Likert-style survey questions generally indicated high levels of satisfaction regarding the utility and features of the catalog. Open-ended and Likert-style survey questions were used to help guide the future directions of this developing resource. Concurrent anatomy students were not more likely to contribute to the catalog compared to students who had previously completed the university's anatomy course series (p = .75, 2-tailed Fisher exact test).

Conclusion: An online supplement to graduate-level gross anatomy courses can aid in the instruction of muscle variants by providing an opportunity for student self-directed learning. This resource will be updated continually and will be expanded on to include neurovascular and visceral variants. Student participation will be sought in developing future content to be included in this catalog.

Author keywords: Anatomy, Cadaver, Chiropractic, Dissection, Education, Surveys and Questionnaires

Author affiliations: LSB, SOH: Department of Basic Sciences, University of Western States, Portland, Oregon, United States;  NMB, NME: students at University of Western States

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