Location of the motor entry point and intramuscular motor point of the tibialis posterior muscle: For effective motor point block

The aim of this study was to elucidate the anatomical location of the motor entry point (MEP) and intramuscular motor point (IMP) of the tibialis posterior muscle for effective motor point block. Thirty‐six fresh specimens from 20 adult Korean cadavers (11 males and 9 females) were investigated. The...

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Veröffentlicht in:Clinical anatomy (New York, N.Y.) N.Y.), 2011-01, Vol.24 (1), p.91-96
Hauptverfasser: Lee, Je-Hun, Lee, Be-Na, An, Xiaochun, Chung, Rak-Hee, Han, Seung-Ho
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container_issue 1
container_start_page 91
container_title Clinical anatomy (New York, N.Y.)
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creator Lee, Je-Hun
Lee, Be-Na
An, Xiaochun
Chung, Rak-Hee
Han, Seung-Ho
description The aim of this study was to elucidate the anatomical location of the motor entry point (MEP) and intramuscular motor point (IMP) of the tibialis posterior muscle for effective motor point block. Thirty‐six fresh specimens from 20 adult Korean cadavers (11 males and 9 females) were investigated. The reference line between the most proximal‐medial articular margin of the tibia (MPM) at the level of the knee joint and the most distal point of the malleolus of the tibia (MDM) on the surface were identified. The mean length of the reference line was 326.5 ± 27.1 mm. There were 82.5% of the total number of MEPs located at 10–30% and 67.9% of the total IMPs were 10–40% from the MPM. The safety zone for botulinum toxin (BTX) injections on the medial approach was 10–40% from the MPM. In addition, insertion of the needle to a depth of 3.5 cm from the surface of the skin was effective. These results may assist in determining more accurate localization of injection sites. Clin. Anat. 24:91–96, 2011. © 2011 Wiley‐Liss, Inc.
doi_str_mv 10.1002/ca.21062
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subjects Aged
Aged, 80 and over
Ankle - innervation
botulinum toxin
Botulinum Toxins, Type A - administration & dosage
Female
Humans
Injections, Intramuscular
intramuscular motor point
Leg - innervation
Male
Middle Aged
motor entry point
Motor Neurons - cytology
Motor Neurons - drug effects
Muscle, Skeletal - anatomy & histology
Nerve Block - methods
Neuromuscular Agents - administration & dosage
spasticity
Tibial Nerve - anatomy & histology
Tibial Nerve - drug effects
tibialis posterior
title Location of the motor entry point and intramuscular motor point of the tibialis posterior muscle: For effective motor point block
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