Sanal Hatice Tuba, Chen Lina, Negrao Pedro, Haghighi Parviz, Trudell Debra J, Resnick Donald L
Department of Radiology, VA San Diego Medical Center, San Diego, CA 92161, USA.
AJR Am J Roentgenol. 2009 Feb;192(2):468-72. doi: 10.2214/AJR.08.1150.
The purpose of this study was to use MRI and anatomic correlation in cadavers to delineate the anatomic features of the distal attachment of the brachialis muscle.
MRI was performed on 13 cadaveric elbows. The MRI findings were compared with those in anatomic sections and histologic preparations. The brachialis muscle of one cadaver was dissected.
The dissected brachialis muscle had two heads, superficial and deep. The attachment of the superficial head to the ulnar tuberosity was farther distal than that of the deep head. The attachments of all aspects of the muscle included a tendinous layer rather than purely muscular structures. Histologic analysis showed no direct communication between the brachialis and biceps brachii tendons or between the brachialis tendon and joint capsule.
Familiarity with the anatomic features of the distal brachialis muscle and tendon is essential for accurate assessment of these structures.
本研究的目的是利用磁共振成像（MRI）以及尸体解剖相关性来描绘肱肌远端附着点的解剖特征。
对13具尸体肘部进行MRI检查。将MRI检查结果与解剖切片和组织学标本的结果进行比较。解剖了一具尸体的肱肌。
解剖的肱肌有两个头，即浅头和深头。浅头附着于尺骨粗隆的位置比深头更远端。肌肉各部分的附着点均包括一层腱性结构，而非单纯的肌肉结构。组织学分析显示肱肌与肱二头肌肌腱之间或肱肌肌腱与关节囊之间无直接连通。
熟悉肱肌远端肌肉和肌腱的解剖特征对于准确评估这些结构至关重要。
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