Dynamics of the suprapatellar bursa during knee joint extension.

IF 1.4 4区医学 Q2 Medicine

Surgical and Radiologic Anatomy Pub Date : 2024-09-01 Epub Date: 2024-06-10 DOI:10.1007/s00276-024-03390-1

Mutsuaki Edama, Yudai Tanaka, Tatuki Shirai, Yuki Takano, Kodai Sakamoto, Haruki Osanami, Hirotake Yokota, Ryo Hirabayashi, Tomonobu Ishigaki, Hiroshi Akuzawa, Chie Sekine, Noboru Sato

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Abstract

Purpose: The suprapatellar bursa is located in the proximal deep layer of the patella and is thought to reduce tissue friction by changing from a single-membrane structure to a double-membrane structure during knee joint motion. However, the dynamics of the suprapatellar bursa have only been inferred from positional relationships, and the actual dynamics have not been confirmed.

Methods: Dynamics of the suprapatellar bursa during knee joint motion were observed in eight knees of four Thiel-fixed cadavers and the angle at which the bursa begins to show a double membrane was revealed. The flexion angles of knee joints were measured when the double-membrane structure of the suprapatellar bursa began to appear during knee joint extension.

Results: The suprapatellar bursa changes from a single membrane to a double-membrane structure at 91 ± 4° of flexion, when the knee joint is moved from a flexed position to an extended position.

Conclusion: The suprapatellar bursa may be involved in limitations to knee joint range of motion and pain at an angle of approximately 90°. Further studies are needed to verify whether the same dynamics are observed in living subjects.

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膝关节伸展时髌上滑囊的动态变化。

目的：髌上滑囊位于髌骨近端深层，被认为能在膝关节运动时从单膜结构变为双膜结构，从而减少组织摩擦。然而，髌上滑囊的动态只能通过位置关系推断，实际动态尚未得到证实：方法：在四具 Thiel 固定尸体的八个膝关节中观察了髌上滑囊在膝关节运动时的动态，并揭示了滑囊开始出现双层膜的角度。当膝关节伸展时，髌上滑囊开始出现双膜结构时，测量膝关节的屈曲角度：结果：当膝关节从屈曲位移至伸展位时，髌上滑囊在屈曲 91±4° 时由单层膜结构变为双层膜结构：结论：髌上滑囊可能与膝关节活动范围的限制和大约 90° 角时的疼痛有关。还需要进一步研究，以验证在活体受试者身上是否观察到相同的动态变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Surgical and Radiologic Anatomy Medicine-Pathology and Forensic Medicine

CiteScore

2.40

自引率

14.30%

发文量

期刊介绍： Anatomy is a morphological science which cannot fail to interest the clinician. The practical application of anatomical research to clinical problems necessitates special adaptation and selectivity in choosing from numerous international works. Although there is a tendency to believe that meaningful advances in anatomy are unlikely, constant revision is necessary. Surgical and Radiologic Anatomy, the first international journal of Clinical anatomy has been created in this spirit. Its goal is to serve clinicians, regardless of speciality-physicians, surgeons, radiologists or other specialists-as an indispensable aid with which they can improve their knowledge of anatomy. Each issue includes: Original papers, review articles, articles on the anatomical bases of medical, surgical and radiological techniques, articles of normal radiologic anatomy, brief reviews of anatomical publications of clinical interest. Particular attention is given to high quality illustrations, which are indispensable for a better understanding of anatomical problems. Surgical and Radiologic Anatomy is a journal written by anatomists for clinicians with a special interest in anatomy.

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