Anterior Talofibular Ligament
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Introduction
Name
- Anterior Talofibular Ligament
- ATFL
Injury Pattern
- Most commonly injured ligament in lateral ankle sprains[2]
Anatomic Description
- Intracapsular, flat, two-banded ligament
- Arises from the distal anterior tip of the lateral malleololus
- Passes anteromedially to the lateral aspect of the talar neck
- Approximately 6-10 mm in length, 2 mm thick
Anatomic Variant
- Classically described as two bands
- Can be single band or three bands
- Anatomic study found two bands present in about 50% of cadavers[3]
Radiographic Appearance
- MRI[4]
- T1: uniformly low signal and thickness
- T2: uniformly low signal and thickness
Vascular Supply
- Needs to be updated
Innervation
- Needs to be updated
Clinical Significance
See Also
References
- ↑ Agur, Anne MR, and Arthur F. Dalley II. Grant's atlas of anatomy. Lippincott Williams & Wilkins, 2023.
- ↑ Kumai T, Takakura Y, Rufai A et-al. The functional anatomy of the human anterior talofibular ligament in relation to ankle sprains. J. Anat. 2002;200 (5): 457-65. Free text at pubmed - Pubmed citation
- ↑ Uğurlu M, Bozkurt M, Demirkale I et-al. Anatomy of the lateral complex of the ankle joint in relation to peroneal tendons, distal fibula and talus: a cadaveric study. Eklem Hastalik Cerrahisi. 2011;21 (3): 153-8. Pubmed citation
- ↑ Perrich KD, Goodwin DW, Hecht PJ et-al. Ankle ligaments on MRI: appearance of normal and injured ligaments. AJR Am J Roentgenol. 2009;193 (3): 687-95. doi:10.2214/AJR.08.2286