Branching patterns of medial and inferior calcaneal nerves around the tarsal tunnel

Beom Suk Kim, Phil Woo Choung, Soon Wook Kwon, Im Joo Rhyu, Dong Hwee Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Objective: To demonstrate the bifurcation pattern of the tibial nerve and its branches. Methods: Eleven legs of seven fresh cadavers were dissected. The reference line for the bifurcation point of tibial nerve branches was an imaginary horizontal line passing the tip of the medial malleolus. The distances between the reference line and the bifurcation points were measured. The bifurcation branching patterns were categorized as type I, the pattern in which the medial calcaneal nerve (MCN) branched most proximally; type II, the pattern in which the three branches occurred at the same point' and type III, in which MCN branched most distally. Results: There were seven cases (64%) of type I, three cases (27%) of type III, and one case (9%) of type II. The median MCN branching point was 0.2 cm (range, -1 to 3 cm). The median bifurcation points of the lateral plantar nerves and inferior calcaneal nerves was -0.6 cm (range, -1.5 to 1 cm) and -2.5 cm (range, -3.5 to -1 cm), respectively. Conclusion: MCN originated from the tibial nerve in most cases, and plantar nerves were bifurcated below the medial malleolus. In all cases, inferior calcaneal nerves originated from the lateral plantar nerve. These anatomical findings could be useful for performing procedures, such as nerve block or electrophysiologic studies.

Original languageEnglish
Pages (from-to)52-55
Number of pages4
JournalAnnals of Rehabilitation Medicine
Volume39
Issue number1
DOIs
Publication statusPublished - 2015

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Tibial Nerve
Nerve Block
Cadaver
Leg

Keywords

  • Anatomy
  • Cadaver
  • Tarsal tunnel syndrome
  • Tibial nerve

ASJC Scopus subject areas

  • Rehabilitation

Cite this

Branching patterns of medial and inferior calcaneal nerves around the tarsal tunnel. / Kim, Beom Suk; Choung, Phil Woo; Kwon, Soon Wook; Rhyu, Im Joo; Kim, Dong Hwee.

In: Annals of Rehabilitation Medicine, Vol. 39, No. 1, 2015, p. 52-55.

Research output: Contribution to journalArticle

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abstract = "Objective: To demonstrate the bifurcation pattern of the tibial nerve and its branches. Methods: Eleven legs of seven fresh cadavers were dissected. The reference line for the bifurcation point of tibial nerve branches was an imaginary horizontal line passing the tip of the medial malleolus. The distances between the reference line and the bifurcation points were measured. The bifurcation branching patterns were categorized as type I, the pattern in which the medial calcaneal nerve (MCN) branched most proximally; type II, the pattern in which the three branches occurred at the same point' and type III, in which MCN branched most distally. Results: There were seven cases (64{\%}) of type I, three cases (27{\%}) of type III, and one case (9{\%}) of type II. The median MCN branching point was 0.2 cm (range, -1 to 3 cm). The median bifurcation points of the lateral plantar nerves and inferior calcaneal nerves was -0.6 cm (range, -1.5 to 1 cm) and -2.5 cm (range, -3.5 to -1 cm), respectively. Conclusion: MCN originated from the tibial nerve in most cases, and plantar nerves were bifurcated below the medial malleolus. In all cases, inferior calcaneal nerves originated from the lateral plantar nerve. These anatomical findings could be useful for performing procedures, such as nerve block or electrophysiologic studies.",
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N2 - Objective: To demonstrate the bifurcation pattern of the tibial nerve and its branches. Methods: Eleven legs of seven fresh cadavers were dissected. The reference line for the bifurcation point of tibial nerve branches was an imaginary horizontal line passing the tip of the medial malleolus. The distances between the reference line and the bifurcation points were measured. The bifurcation branching patterns were categorized as type I, the pattern in which the medial calcaneal nerve (MCN) branched most proximally; type II, the pattern in which the three branches occurred at the same point' and type III, in which MCN branched most distally. Results: There were seven cases (64%) of type I, three cases (27%) of type III, and one case (9%) of type II. The median MCN branching point was 0.2 cm (range, -1 to 3 cm). The median bifurcation points of the lateral plantar nerves and inferior calcaneal nerves was -0.6 cm (range, -1.5 to 1 cm) and -2.5 cm (range, -3.5 to -1 cm), respectively. Conclusion: MCN originated from the tibial nerve in most cases, and plantar nerves were bifurcated below the medial malleolus. In all cases, inferior calcaneal nerves originated from the lateral plantar nerve. These anatomical findings could be useful for performing procedures, such as nerve block or electrophysiologic studies.

AB - Objective: To demonstrate the bifurcation pattern of the tibial nerve and its branches. Methods: Eleven legs of seven fresh cadavers were dissected. The reference line for the bifurcation point of tibial nerve branches was an imaginary horizontal line passing the tip of the medial malleolus. The distances between the reference line and the bifurcation points were measured. The bifurcation branching patterns were categorized as type I, the pattern in which the medial calcaneal nerve (MCN) branched most proximally; type II, the pattern in which the three branches occurred at the same point' and type III, in which MCN branched most distally. Results: There were seven cases (64%) of type I, three cases (27%) of type III, and one case (9%) of type II. The median MCN branching point was 0.2 cm (range, -1 to 3 cm). The median bifurcation points of the lateral plantar nerves and inferior calcaneal nerves was -0.6 cm (range, -1.5 to 1 cm) and -2.5 cm (range, -3.5 to -1 cm), respectively. Conclusion: MCN originated from the tibial nerve in most cases, and plantar nerves were bifurcated below the medial malleolus. In all cases, inferior calcaneal nerves originated from the lateral plantar nerve. These anatomical findings could be useful for performing procedures, such as nerve block or electrophysiologic studies.

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