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Morphological Study of the Inferior Fascicle of the Anterior Inferior Tibiofibular Ligament in Korean Cadaver

  • Anatomy & Biological Anthropology
  • Abbr : Anat Biol Anthropol
  • 2024, 37(1), pp.1~8
  • DOI : 10.11637/aba.2024.37.1.1
  • Publisher : 대한체질인류학회
  • Research Area : Medicine and Pharmacy > Anatomy
  • Received : February 29, 2024
  • Accepted : March 19, 2024
  • Published : March 31, 2024

Hyungwook Kwon 1,  Cho Jae Ho ORD ID 2,  Digud Kim 3,  CHOI YU JIN 1,  Park Kwang Rak 4,  Sabeom Park 5,  choi yun-il 6,  이민주 1,  YOUNG-ILL LEE ORD ID 5,  Park Jeong Hyun 1

1강원대학교
2한림대학교
3강원대학교 의학전문대학원 해부학교실
4상지대학교
5단국대학교
6한림대학교부속춘천성심병원

Accredited

ABSTRACT

The aim of this study is to clarify morphological characteristics of the inferior fascicle of the anterior inferior tibiofibular ligament (AITFL) in Korean cadavers and provide anatomical evidence regarding the role of the inferior fascicle of the AITFL in ankle impingement syndrome. For this study, 79 feet from formalin fixed Korean cadavers(76.86±11.97 years) were dissected, 50 male and 29 female feet, 40 right and 39 left feet. The inferior fascicle of the AITFL were classified using Edama et al’s method. Also, its length, and width were measured, as well as the conjoined between it and the anterior talofibular ligament (ATFL) and the angle between the lower surface of it and articular surface of the tibia plafond. As a result, the inferior fascicle of the AITFL was confirmed in 96.2% of cases, with type Ⅰ in 20 feet (25.3%), type Ⅱ in 21 feet (26.5%), type Ⅲ in 24 feet (30.3%), type Ⅳ absent in 11 feet (13.9%), and absent in 3 feet (3.7%). The angle between the articular surface of the distal fibula and the inferior fascicle of the AITFL was 138.2±13.4°, conjoined between the inferior fascicle of the AITFL and the ATFL was confirmed in 61.8% of cases. The length of the inferior fascicle of the AITFL was 21.6±2.6 mm, and the width at the attachment site of the tibia was 5.9±1.3 mm, at the midpoint of the ligament was 3.9±0.8 mm, and at the attachment site of the fibula was 3.6±0.7 mm. In conclusion, we established anthropological data of the Koreans and provided anatomical evidence that can be applied clinically to understand the association with ankle sprains.

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This paper was written with support from the National Research Foundation of Korea.
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