Sawah Amjad, Kasture Sarang, Bond Alastair, Fisher Lauren, Fisher Andrew, Philpott Matthew, Mason Lyndon, Molloy Andy
Liverpool University Hospital NHS Foundation Trust, Liverpool, United Kingdom.
Human Anatomy and Resource Centre, University of Liverpool, Liverpool, United Kingdom.
Foot Ankle Orthop. 2024 Aug 26;9(3):24730114241270207. doi: 10.1177/24730114241270207. eCollection 2024 Jul.
The spring ligament fibrocartilaginous complex (SLFC), which is essential for stabilizing the medial longitudinal arch, features a little-explored fibrocartilaginous facet within its superomedial aspect, articulating with the talar head. This research aimed to provide a detailed anatomical description of this facet, designated as the spring ligament articular facet (SLAF).
Nine normally aligned cadaveric lower limbs were dissected, approaching the SLFC from a superior direction. Following talus disarticulation, high-resolution images of the ligament complex were captured and analyzed. ImageJ software was used to determine the areas and dimensions of the superomedial calcaneonavicular (SMCN) spring and SLAF.
The fibrocartilage facet exhibited a trapezoid shape in all specimens. The mean area for SMCN spring was 280.39 mm², and for SLAF, it was 200 mm². The proximal-to-distal length for SLAF averaged 11.78 mm at its longest and 5.34 mm at its shortest. Attachment of the SLAF to the calcaneum and the navicular showed robust fibrous structures, with average measurements of 3.75 and 1.75 mm at the medial and lateral calcaneal margins, and 2.75 and 2.98 mm at the medial and lateral navicular margins, respectively.
This study clearly delineated the individual structural components of the SLFC articulating with the talar head and detailed its dimensions, emphasizing the need for more specific anatomical terminology that respects the intricate anatomy of the SLFC.
Level III, descriptive study.
弹簧韧带纤维软骨复合体（SLFC）对稳定内侧纵弓至关重要，其超内侧部分有一个鲜为人知的纤维软骨小平面，与距骨头相关节。本研究旨在对这个被称为弹簧韧带关节面（SLAF）的小平面进行详细的解剖学描述。
解剖9例正常排列的尸体下肢，从上方接近SLFC。在距骨离断后，采集并分析韧带复合体的高分辨率图像。使用ImageJ软件确定超内侧跟舟（SMCN）弹簧和SLAF的面积和尺寸。
在所有标本中，纤维软骨小平面均呈梯形。SMCN弹簧的平均面积为280.39mm²，SLAF的平均面积为200mm²。SLAF的近端到远端长度最长平均为11.78mm，最短为5.34mm。SLAF与跟骨和舟骨的附着显示出强健的纤维结构，在内侧和外侧跟骨边缘的平均测量值分别为3.75和1.75mm，在内侧和外侧舟骨边缘的平均测量值分别为2.75和2.98mm。
本研究清晰地描绘了SLFC与距骨头相关节的各个结构组成部分，并详细说明了其尺寸，强调需要更具体的解剖学术语来描述SLFC复杂的解剖结构。
III级，描述性研究。
