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Zink’s Fascial Patterns Among First- and Second-Year Medical Students
Rutt, G. [1]
Graham, M. [2]
Boesler, D. [15]

Journal: Journal of Osteopathic Medicine Date: 2025/12, 125(12):Pages: A669–671. doi: Subito , type of study: observational study

Full text    (https://www.degruyterbrill.com/document/doi/10.1515/jom-2025-2000/html)

Keywords:

common compensatory pattern [4]
fascia [299]
medical students [647]
observational study [219]
osteopathic medicine [2025]
USA [1656]

Abstract:

Context: Zink’s Common Compensatory Pattern (CCP) is a pattern of somatic dysfunction that can be observed in the spinal transitional zones. J. Gordon Zink, D.O. postulated that the fascia in the body had a tendency to rotate in certain directions such that one area will rotate one way, and another area will rotate in the opposite direction to compensate. He stated that there are four compensatory curves located at regions of the occipitoatlantal, cervicothoracic, thoracolumbar, and lumbosacral junctions, and that the most common pattern of rotation in healthy individuals was rotated left, right, left, right, respectively. A less common pattern observed in healthy individuals was right, left, right, left. He also observed that unhealthy patients, such as those that were hospitalized or recently experienced a traumatic event or stress did not follow this pattern of fascial restrictions. Current literature is limited regarding the validity of Zink’s CCP and to what benefit a clinician receives when evaluating a patient’s myofascial pattern along these transition zones. A single study was conducted by Sanchez et al., 20181 which investigated if there was a relationship between myofascial restrictions and spinal somatic dysfunctions among 208 incoming first year medical students at the Western University of Health Sciences College of Osteopathic Medicine of the Pacific in August 2012. While this study did not directly evaluate the validity of Zink’s CCP, it did open the gate into the relationship between myofascial patterns and deeper structural dysfunctions. The study found that of the 208 participants, there was a weak but statistically significant relationship between myofascial restrictions and spinal somatic dysfunctions. Research is limited on the importance of evaluating myofascial patterns and how various stressors may affect individuals patterns. As osteopathic physicians, we know that the body is a unit; the person is a unit of body, mind, and spirit. We also know that the body is capable of self-regulation, self-healing and health maintenance as this is our second osteopathic tenet. Fascia is a thin layer of connective tissue that surrounds and connects all aspects of the human body. By expanding our knowledge on the various myofascial patterns throughout the body and understanding the impact various forms of stress have on these myofascial patterns, we could advance the literature on osteopathic techniques and their usage in treating patients with a more holistic, personalized, and effective manner. Objective: The primary goal of the study is to determine if first- and second-year medical students follow Zink’s CCP. Secondarily, the study aimed to determine if there were common alternative patterns among first- and second-year medical students. Methods: A total of 124 first- and second-year medical students were enrolled in the study. Participants were recruited using an emailed survey, including a brief explanation of the study and the estimated time commitment, inquiring interest in the study. Since the study had no exclusion criteria, all participants who filled out the survey were included. An informational session was then held to further explain the study design and to answer any questions participants had prior to signing the informed consent. Participants’ myofascial patterns were then evaluated at the four major spinal transition zones: occipitoatlantal, cervicothoracic, thoracolumbar, lumbosacral. Researchers were properly trained by an Osteopathic physician in evaluating myofascial patterns prior to evaluating participants. Myofascial ease was then recorded on a preformed data collection sheet and analyzed for similarity with the Common Compensatory Pattern, as well as for common alternative, non compensated, patterns. Results: The study found that only 20.16% of the 124 first- and second-year medical students followed Zink’s CCP. While this was the most common fascial pattern among those enrolled in the study, both cumulative and individually among each class, there was a far greater percentage of students who exhibited an alternative pattern. Of the first-year medical students, 21.21% (14 students) followed the CCP while the second most common pattern was right, right, left, right with 16.16% predominance (11 students) and the third most common pattern was left, right, right, right with 12.12% predominance (8 students). Of the second-year medical students, only 18.97% (11 students) followed the CCP while the second most common pattern was right, right, right, right facial pattern with a predominance of 17.24% (10 students) and the third most common pattern was right, left, right, left with 6.90% predominance (4 students). Conclusion: While the common compensatory pattern represents a plurality of the patterns overall, the majority of the patterns observed in first- and second-year medical students fell into one of the many possible uncompensated patterns. This finding is in contrast to Zink’s original findings, in which he reported roughly 80% of his patients, unless otherwise affected by undue stress, fell into the common compensatory pattern. These results may indicate that first- and second-year medical students have excessive amounts of stress that manifests in facial patterns different from the general population. Alternatively, it may be that Zink’s findings are not replicable within the general population itself. Further research is needed to determine whether the CCP is truly the most prevalent in the general population, or if the results seen in this study are indeed due to unique facial patterns found in this subset of the population. Limitations with regard to data collection should be addressed in the future. Although all examiners were trained with regard to determining the facial patterns of each student, there may still be some variability in the results obtained by each member of the team. This limitation poses challenges to future research, as there is no way to objectively determine facial preferences. It is recommended that multiple members of the research team examine each patient in order to determine if the results obtained by each examiner is reproducible. Future studies should be aimed at determining the prevalence of specific facial patterns within the chosen population while also generating indices that are able to stratify the population based on the degree of stress experienced.

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