Ultrasound-Guided Injection of the Sternocleidomastoid Muscle: A Cadaveric Study with Implications for Chemodenervation.
Joon-Shik YoonDa Som KimSeok KangJae Young KimByungheon KangIm Joo RhyuJoon Shik YoonPublished in: PM & R : the journal of injury, function, and rehabilitation (2020)
Ultrasound-guided intramuscular injection can be performed with good accuracy in the SCM, as ultrasound can be used to evaluate SCM thickness and CSA. Higher volumes of injection solution appear to diffuse better, but further clinical studies are required to determine optimal injection volume.