The accuracy of morphometry can be improved by incorporating measurements made by microdissecting neck muscles. The presence of aponeurotic attachments can greatly shorten fascicle length; failure to identify such attachments can lead to underestimates of cross-sectional areas. Accuracy of a generalized model of the neck is also improved by normalizing sarcomere lengths in all muscles.
Real-time sonography is a relatively simple and inexpensive method of accurately measuring muscle thickness as long as the operator adheres to a strict imaging protocol and avoids excessive pressure with the transducer.
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