Intramuscular Neural Distribution of Adductor Pollicis Muscle Spasticity in Cadaver Model Regarding Botulinum Neurotoxin Treatment
- Author:
Kyu-Ho YI
1
;
Kang-Woo LEE
;
Yousun HWANG
;
Min Ho AN
;
Hyo-Sang AHN
;
Hyewon HU
;
Ji-Hyun LEE
;
Hyung-Jin LEE
Author Information
- Publication Type:Original Article
- From:Yonsei Medical Journal 2023;64(9):581-585
- CountryRepublic of Korea
- Language:English
-
Abstract:
Purpose:The adductor pollicis muscle is frequently targeted for botulinum neurotoxin injective treatment for spasticity. However, 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.
