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股直肌近侧腱性复合体起点处新发现的膜结构。

A newly discovered membrane at the origin of the proximal tendinous complex of the rectus femoris.

机构信息

Department of Morphological Sciences (Human Anatomy and Embriology Unit), Faculty of Medicine, Universitat Autònoma de Barcelona, Can Domènech Ave, 08193, Bellaterra (Barcelona), Spain.

Department of Radiology, Medical Department of Futbol Club Barcelona, Hospital of Barcelona-SCIAS, Bellaterra (Barcelona), Spain.

出版信息

Surg Radiol Anat. 2022 Jun;44(6):835-843. doi: 10.1007/s00276-022-02954-3. Epub 2022 May 10.

DOI:10.1007/s00276-022-02954-3
PMID:35536396
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9246800/
Abstract

PURPOSE

The rectus femoris (RF) forms the anterior portion of the quadriceps muscle group. It has a proximal tendinous complex (PTC) which is constituted by a direct tendon (DT), an indirect tendon (IT), and a variable third head. Direct and indirect tendons finally converge into a common tendon (CT). All the PTC shows a medially sloping in its proximal insertion.We investigated several anatomical specimens and discovered a new component: a membrane connecting the CT with the anterior superior iliac spine. Such membrane constitutes a new origin of the PTC. The aim of this study was to clarify whether this membrane was an anatomical variation of the PTC or a constant structure and to describe its morphology and trajectory.

MATERIAL AND METHODS

We dissected 42 cadaveric lower limbs and examined the architecture of the PTC. We paid special attention to the morphology and interaction patterns between the tendons and the membrane.

RESULTS

We demonstrated that the membrane is a constant component of the PTC. It has a lateral to medial trajectory and is in relation to the common tendon, the DT, and IT, which present a medial slope. This suggests that the membrane has an stabilizer role for the PTC, acting as a corrector of the inclined vector of the complex.

CONCLUSION

The RF injuries are frequent in football. The newly discovered membrane is a constant component of the PTC and its integrity should be included in the algorithm to diagnose injuries.

摘要

目的

股直肌（RF）构成了四头肌肌群的前部分。它有一个近端腱性复合体（PTC），由直接肌腱（DT）、间接肌腱（IT）和可变的第三头组成。直接和间接肌腱最终汇聚成一个共同的肌腱（CT）。所有 PTC 在近端插入处都呈向内侧倾斜。我们研究了几个解剖标本，发现了一个新的组成部分：连接 CT 和髂前上棘的膜。该膜构成了 PTC 的一个新起点。本研究旨在阐明该膜是 PTC 的解剖变异还是恒定结构，并描述其形态和轨迹。

材料和方法

我们解剖了 42 具尸体下肢，检查了 PTC 的结构。我们特别注意了肌腱和膜之间的形态和相互作用模式。

结果

我们证明，该膜是 PTC 的一个恒定组成部分。它具有从外侧到内侧的轨迹，与共同肌腱、DT 和 IT 相关，这些肌腱和 IT 呈向内侧倾斜。这表明该膜对 PTC 具有稳定作用，起到了复合体倾斜向量的校正作用。

结论

足球运动员中 RF 损伤很常见。新发现的膜是 PTC 的一个恒定组成部分，其完整性应包括在诊断损伤的算法中。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/7c2e752f504c/276_2022_2954_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/711ded344573/276_2022_2954_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/eb979ffd6aa2/276_2022_2954_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/f246a3aad0bc/276_2022_2954_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/64a777dc77b4/276_2022_2954_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/3ab7075af9b5/276_2022_2954_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/06e2e4cc07fc/276_2022_2954_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/7c2e752f504c/276_2022_2954_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/711ded344573/276_2022_2954_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/eb979ffd6aa2/276_2022_2954_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/f246a3aad0bc/276_2022_2954_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/64a777dc77b4/276_2022_2954_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/3ab7075af9b5/276_2022_2954_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/06e2e4cc07fc/276_2022_2954_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b4d/9246800/7c2e752f504c/276_2022_2954_Fig7_HTML.jpg

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