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Tendinous insertion of semimembranosus muscle into the lateral meniscus

Authors
 Y.C. Kim  ;  W.K. Yoo  ;  I.H. Chung  ;  J.S. Seo  ;  S. Tanaka 
Citation
 SURGICAL AND RADIOLOGIC ANATOMY, Vol.19(6) : 365-369, 1997 
Journal Title
 SURGICAL AND RADIOLOGIC ANATOMY 
ISSN
 0930-1038 
Issue Date
1997
MeSH
Genetic Variation ; Humans ; Knee/anatomy & histology* ; Magnetic Resonance Imaging ; Menisci, Tibial/anatomy & histology* ; Tendons/anatomy & histology
Abstract
Forty-two cadaver knees were used for morphologic and MRI observations of the tendinous distal expansions of the semimembranosus m. and the posterior capsular structures of the knee. A tendinous branch of the semimembranosus m. inserting into the posterior horn of the lateral meniscus was found in 43.2% of the knees dissected, besides five already known insertional branches; capsular, direct, anterior and inferior, as well as the oblique popliteal ligament. The tendon had three morphologic types; thin, broad and round. All three types moved the lateral meniscus posteriorly when pulled on. Thus, the semimembranosus m. may also have a protective function for the lateral meniscus as well as the already well established function of protecting the medial meniscus in knee flexion. When a semimembranosus tendon attachment to the posterior horn of the lateral meniscus is present, its normal insertion is difficult to differentiate from a lateral meniscus tear in MRI and this may cause misdiagnosis.
Full Text
https://link.springer.com/article/10.1007/bf01628503
DOI
10.1007/bf01628503
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
Yonsei Authors
Suh, Jin Suck(서진석) ORCID logo https://orcid.org/0000-0001-9455-9240
Chung, In Hyuk(정인혁)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/177408
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