Anatomical locations of the motor endplates of sartorius muscle for botulinum toxin injections in treatment of muscle spasticity

Kyu Ho Yi, Ji Hyun Lee, Dongkeun Kenneth Lee, Hye Won Hu, Kyle K. Seo, Hee Jin Kim

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Purpose: This study aimed to detect the idyllic locations for botulinum neurotoxin injection by analyzing the intramuscular neural distributions of the sartorius muscles. Methods: An altered Sihler’s staining was conducted on sartorius muscles (15 specimens). The nerve entry points and intramuscular arborization areas were measured as a percentage of the total distance from the most prominent point of the anterior superior iliac spine (0%) to the medial femoral epicondyle (100%). Results: Intramuscular neural distribution were densely detected at 20–40% and 60–80% for the sartorius muscles. The result suggests that the treatment of sartorius muscle spasticity requires botulinum neurotoxin injections in particular locations. Conclusions: These locations, corresponding to the locations of maximum arborization, are suggested as the most suggestive points for botulinum neurotoxin injection.

Original languageEnglish
Pages (from-to)2025-2030
Number of pages6
JournalSurgical and Radiologic Anatomy
Volume43
Issue number12
DOIs
Publication statusPublished - 2021 Dec

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer-Verlag France SAS, part of Springer Nature.

All Science Journal Classification (ASJC) codes

  • Anatomy
  • Surgery
  • Pathology and Forensic Medicine
  • Radiology Nuclear Medicine and imaging

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