著者
肱岡 昭彦 鈴木 勝己 小林 靖幸 北條 暉幸 中島 民治
出版者
日本肩関節学会
雑誌
肩関節 (ISSN:09104461)
巻号頁・発行日
vol.15, no.1, pp.9-12, 1991-09-01 (Released:2012-11-20)
参考文献数
10

Abnormal insertions of the pectoralis minor have been reported on by many authors, Most have dealt with its extending beyond the coracoid process and attaching itself to the capsule. We, however, studied the relationship between abnomal insertions of this muscle and the coracohumeral ligament.53 cadavers, i. e.106 shoulders were examined in this study,38 males and 15 females. The age of the cadavers ranged from 43 to 93, with mean age of 67.5 years.Abnomal insertions were found in 26 of the 53 cadavers and 39 of the 106 shoulders. This abnormality presented itself more often in females than in males.The coracohumeral ligament it usualy know as the ligament which occurs from the coracoid and is inserted in the humerus, but in our study this ligament did not clearly exist.In conclusion, we consider the coracohumeral ligament to be a residual l igament of the pectoralis minor or connective tissues in a part of the capsule.

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@heroheroyuki 先の理由として勝手に考察しているのは、小胸筋の停止が烏口突起を延長する話は周知の通りですが、烏口上腕靱帯の大結節付着部や関節包への延長部分の影響があるのかな〜と思っている次第です。 https://t.co/ZTFiA0tU68 https://t.co/qXR4J5Fzz9

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