Intramuscular Neural Distribution of Adductor Pollicis Muscle Spasticity in Cadaver Model Regarding Botulinum Neurotoxin Treatmentopen access
- Authors
- 이지현; 이형진; 이규호; 이강우; 황유선; 안민호; 안효상; 후혜원
- Issue Date
- Sep-2023
- Publisher
- 연세대학교의과대학
- Keywords
- Adductor pollicis muscle; Sihler’s method; botulinum neurotoxin; spasticity; injection; intramuscular neural distribution
- Citation
- Yonsei Medical Journal, v.64, no.9, pp.581 - 585
- Journal Title
- Yonsei Medical Journal
- Volume
- 64
- Number
- 9
- Start Page
- 581
- End Page
- 585
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/89173
- DOI
- 10.3349/ymj.2023.0111
- ISSN
- 0513-5796
- Abstract
- Purpose: The adductor pollicis muscle is frequently targeted for botulinum neurotoxin injective treatment for spasticity. Howev er, there are no injective guidelines for delivering injection to the muscle.
Materials and Methods: A method known as the modified Sihler’s method was used to stain the adductor pollicis muscle in 16 specimens to reveal intramuscular neural distribution of the muscle.
Results: The most intramuscular neural distribution was located on 1/5 to 3/5 of the muscle regarding midline of 3rd metacarpal bone (0) to the base of the 1st proximal phalanx (5/5). The nerve entry point was mostly located on 0 to 1/5 of the muscle.
Conclusion: The result suggests that botulinum neurotoxin should be delivered at the middle of second metacarpal bone via deep injection.
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