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KMID : 1237720230560030322
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Anatomy & Cell Biology
2023 Volume.56 No. 3 p.322 ~ p.327
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Intramuscular neural distribution of the teres minor muscle using Sihler’s stain: application to botulinum neurotoxin injection
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Lee Myung-Shik
Kim Soo-Bin
Lee Kang-Woo
Hu Hye-Won
Lee Ji-Hyun
Lee Hyung-Jin
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Abstract
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The aim of this study was to elucidate the intramuscular arborization of the teres minor muslce for effective botulinum neurotoxin injection. Twelve specimens from 6 adult Korean cadavers (3 males and 3 females, age ranging from 66 to 78 years) were used in the study. The reference line between the 2/3 point of the axillary border of the scapula (0/5), where the muscle originates ant the insertion point of the greater tubercle of the humerus (5/5). The most intramuscular neural distribution was located on 1/5?3/5 of the muscle. The tendinous portion was observed in the 3/5?5/5. The result suggests the botulinum neurotoxin should be delivered in the 1/5?3/5 area of the teres minor muscle.
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KEYWORD
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Teres minor muscle, Sihler&rsquo,s method, Botulinum neurotoxin, Trigger point injection, Intramuscular neural distribution
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