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Morphological features of the cervical ligament

  • M. EdamaEmail author
  • T. Takabayashi
  • T. Inai
  • R. Hirabayashi
  • M. Ikezu
  • F. Kaneko
  • K. Matsuzawa
  • I. Kageyama
Original Article
  • 36 Downloads

Abstract

Purpose

The purpose of this study was to clarify the morphological characteristics of the cervical ligament (CL).

Methods

This study examined 80 legs from 40 Japanese cadavers. The CL was classified by the number of fiber bundles. The morphological features measured were fiber bundle length, width, thickness, and angle with the sagittal plane.

Results

The CL was classified as follows: Type I, the CL is a single fiber; Type II, the CL consists of a superficial fiber and an inferior fiber; and Type III, the CL consists of a superficial fiber, intermediate fiber, and inferior fiber. Type I was seen in 15 feet, Type II in 57 feet, and Type III in 8 feet. In comparisons of morphological features within each type, significant differences were seen in fiber bundle length, width, and angle between superior fiber bundles and inferior fiber bundles of Type II and Type III. In comparison among types, the total fiber bundle width was significantly wider in Type II and Type III than in Type I, and the angle was significantly smaller in Type III than in Type I.

Conclusion

The results of this study suggested that each type may have different sub-talar joint control functions.

Keywords

External talocalcaneal ligament Anterolateral talocalcaneal ligament Anterior talocalcaneal ligament Sub-talar joint Morphological characteristics 

Notes

Acknowledgements

The authors would like to acknowledge and thank those anonymous individuals who generously donated their bodies so that this study could be performed. This study was supported by Japan Society for the Promotion of Science (JSPS) KAKENHI Grant numbers JP19K11358 and a Grant-in-Aid program from Niigata University of Health and Welfare.

Authors’ contributions

ME and TT contributed to study design and data collection, and drafted the manuscript; TI contributed to data analysis and made critical revisions to the manuscript; RH, MI, FK, and KM made critical revisions to the manuscript; IK supervised the study, contributed to analysis and interpretation of data, and made critical revisions to the manuscript. All authors read and approved the final manuscript prior to submission.

Funding

None.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

The methods were carried out in accordance with the 1964 Declaration of Helsinki, and the cadavers were legally donated for the research by the Nippon Dental University of Life Dentistry at Niigata in Japan.

Informed consent

Informed consent was obtained from the families of the donated cadavers.

References

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Copyright information

© Springer-Verlag France SAS, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Institute for Human Movement and Medical Sciences, Niigata University of Health and WelfareNiigataJapan
  2. 2.Department of Anatomy, School of Life Dentistry at NiigataNippon Dental UniversityNiigataJapan

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