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Interfascicular septum of the calcaneal tunnel and its relationship with the plantar nerves: A cadaveric study

 Tae‐Hyeon Cho  ;  Shin Hyung Kim  ;  Sung‐Yoon Won  ;  Jehoon O  ;  Hyun‐Jin Kwon  ;  Ji Yeon Won  ;  Hun‐Mu Yang 
 Clinical Anatomy, Vol.32(7) : 877-882, 2019 
Journal Title
 Clinical Anatomy 
Issue Date
anatomy ; foot ; medial plantar nerve ; pain ; tibial nerve
The relationship between the plantar nerves and internal fascial structure of the calcaneal tunnel is clinically important to alleviate pain of the sole. The study aimed to investigate the three-dimensional (3D) anatomy of the calcaneal tunnel and its internal fascial septal structure by using microcomputed tomography (mCT) with a phosphotungstic acid preparation, histologic examination, and ultrasound-guided simulation. Twenty-one fixed cadavers and three fresh-frozen cadavers (13 men and 11 women, mean age 82.1 years at death) were used in this study. The 3D images of the calcaneal tunnel harvested by mCT were analyzed in detail. Modified Masson trichrome staining and serial sectional dissection after ultrasound-guided injection were conducted to verify the 3D anatomy. Within the calcaneal tunnel, the interfascicular septum (IFS) commenced proximal to the malleolar-calcaneal line and distal to the bifurcation of the tibial nerve into the plantar nerves. The medial and lateral plantar nerves were separated by the IFS, which divided the calcaneal tunnel into two compartments. The plantar nerves were ramified into two or three branches within each compartment. The IFS terminated around the talocalcaneonavicular joint, and the plantar nerves traveled into the sole. Clinical manipulation of the plantar nerves should be performed in consideration of the fact that they are clearly separated by the IFS.
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1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
Yonsei Authors
Kim, Shin Hyung(김신형) ORCID logo https://orcid.org/0000-0003-4058-7697
Yang, Hun Mu(양헌무) ORCID logo https://orcid.org/0000-0003-1954-0114
O, Jehoon(오제훈) ORCID logo https://orcid.org/0000-0003-4351-3183
Cho, Tae-Hyeon(조태현) ORCID logo https://orcid.org/0000-0001-7230-620X
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