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Insertional anatomy and clinical relevance of the distal biceps tendon

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Author(s)
Chul-Hyun ChoKwang-Soon SongIn-Jang ChoiDae-Kwang KimJae-Ho LeeHong-Tae KimYong-Suk Moon
Keimyung Author(s)
Cho, Chul HyunSong, Kwang SoonChoi, In JangLee, Jae HoKim, Dae Kwang
Department
Dept. of Orthopedic Surgery (정형외과학)
Dept. of Anatomy (해부학)
Dept. of Medical Genetics (의학유전학)
Journal Title
Knee Surgery, Sports Traumatology, Arthroscopy
Issued Date
2011
Volume
19
Issue
11
Abstract
Purpose This study was undertaken to evaluate the incidence
of bifurcated distal biceps tendons and the tendon’s
insertional footprint on the radial tuberosity.
Methods Twenty-five embalmed cadaveric specimens
were dissected. The relationships and orientation of the
muscle bellies and distal biceps tendon were examined. The
insertional length, width, and footprint area of the distal
biceps tendon on the radial tuberosity were evaluated.
Results In 12 specimens (48%), the distal biceps tendon
was in 2 distinct, easily separated parts. The average footprint
length, width, and area of the tendon’s insertion on the
radial tuberosity were 20.5 mm ± 2.0 mm, 9.7 mm ±
1.3 mm, and 156.3 mm2 ± 29.4 mm2, respectively. We
calculated that the tendon’s insertion occupied approximately
35.9% of the area of the radial tuberosity. In the
specimens with a bifurcated distal biceps tendon, the long
head of the tendon inserted at the posterosuperior portion of
the radial tuberosity, and the average area was 71.4 mm2 ±
11.3 mm2. The short head of the distal biceps tendon
inserted at the anteroinferior portion, and the average area
was 88.3 mm2 ± 24.1 mm2.
Conclusion This study confirmed that bifurcated distal
biceps tendon insertion is not a rare anatomical variation,
showed by recent investigations, and found that the short
head of the distal biceps tendon was inserted more anteriorly
than the long head on the radial tuberosity. These
findings may allow functional independence and isolated
rupture of each portion. It can make correct diagnosis
possible and allow for a more anatomical orientation of the
tendon during surgical repair.
Keywords Distal biceps tendon Radial tuberosity
Insertional anatomy Bifurcated
Keimyung Author(s)(Kor)
조철현
송광순
최인장
이재호
김대광
Publisher
School of Medicine
Citation
Chul-Hyun Cho et al. (2011). Insertional anatomy and clinical relevance of the distal biceps tendon. Knee Surgery, Sports Traumatology, Arthroscopy, 19(11), 1930–1935. doi: 10.1007/s00167-011-1586-x
Type
Article
ISSN
0942-2056
Source
https://link.springer.com/article/10.1007%2Fs00167-011-1586-x
DOI
10.1007/s00167-011-1586-x
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/34824
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Anatomy (해부학)
1. School of Medicine (의과대학) > Dept. of Medical Genetics (의학유전학)
1. School of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학)
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