open access

Vol 78, No 3 (2019)
ORIGINAL ARTICLES
Published online: 2018-11-16
Submitted: 2018-10-12
Accepted: 2018-11-07
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Morphometric study of inferior peroneal retinaculum and contents of inferior peroneal tunnel

P. Dangintawat, J. Apinun, T. Huanmanop, S. Agthong, V. Chentanez
DOI: 10.5603/FM.a2018.0108
·
Pubmed: 30484271
·
Folia Morphol 2019;78(3):582-587.

open access

Vol 78, No 3 (2019)
ORIGINAL ARTICLES
Published online: 2018-11-16
Submitted: 2018-10-12
Accepted: 2018-11-07

Abstract

Background: The aims of this study are to investigate the inferior peroneal retinaculum (IPR) regarding morphometric parameters, and contents in the inferior peroneal tunnel (IPT).

Materials and methods: One hundred and nine embalmed cadaveric legs were dissected in prone position.

Results: The extension band of the IPR was found in 31.19% of cases. The mean of length, width at the origin, width at the middle part, width at the insertion, and thickness of the IPR [mm] were 23.42 ± 3.54 (17.05–33.68), 13.29 ± 2.56 (5.83–20.92), 14.50 ± 2.37 (6.68–21.34), 10.10 ± 2.63 (4.59–19.17) and 0.48 ± 0.16 (0.20–0.87), respectively. The angle of the IPR to the horizontal axis was 38.51 ± 7.07 (11.67–54.00) degrees. The IPT was divided into the upper and lower tunnels. The normal contents were the tendons of peroneus brevis and peroneus longus in the upper and lower tunnels, respectively. However, additional contents were found in the upper tunnel in 2 cases. One was the tendon of peroneus digiti quinti, and peroneus quartus in the other one. Moreover, an unusual accessory peroneal muscle coursed into the lower tunnel and inserted on the peroneal tubercle. Tears of the peroneus brevis tendon were observed in 2 cases.

Conclusions: These morphometric data might be beneficial in surgical repair for IPR injury.  

Abstract

Background: The aims of this study are to investigate the inferior peroneal retinaculum (IPR) regarding morphometric parameters, and contents in the inferior peroneal tunnel (IPT).

Materials and methods: One hundred and nine embalmed cadaveric legs were dissected in prone position.

Results: The extension band of the IPR was found in 31.19% of cases. The mean of length, width at the origin, width at the middle part, width at the insertion, and thickness of the IPR [mm] were 23.42 ± 3.54 (17.05–33.68), 13.29 ± 2.56 (5.83–20.92), 14.50 ± 2.37 (6.68–21.34), 10.10 ± 2.63 (4.59–19.17) and 0.48 ± 0.16 (0.20–0.87), respectively. The angle of the IPR to the horizontal axis was 38.51 ± 7.07 (11.67–54.00) degrees. The IPT was divided into the upper and lower tunnels. The normal contents were the tendons of peroneus brevis and peroneus longus in the upper and lower tunnels, respectively. However, additional contents were found in the upper tunnel in 2 cases. One was the tendon of peroneus digiti quinti, and peroneus quartus in the other one. Moreover, an unusual accessory peroneal muscle coursed into the lower tunnel and inserted on the peroneal tubercle. Tears of the peroneus brevis tendon were observed in 2 cases.

Conclusions: These morphometric data might be beneficial in surgical repair for IPR injury.  

Get Citation

Keywords

inferior peroneal retinaculum; inferior peroneal tunnel; morphometry

About this article
Title

Morphometric study of inferior peroneal retinaculum and contents of inferior peroneal tunnel

Journal

Folia Morphologica

Issue

Vol 78, No 3 (2019)

Pages

582-587

Published online

2018-11-16

DOI

10.5603/FM.a2018.0108

Pubmed

30484271

Bibliographic record

Folia Morphol 2019;78(3):582-587.

Keywords

inferior peroneal retinaculum
inferior peroneal tunnel
morphometry

Authors

P. Dangintawat
J. Apinun
T. Huanmanop
S. Agthong
V. Chentanez

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