Validation of Diffusion Tensor Imaging for Determining Muscle Pennation with Ultrasound

Recent developed methods for non-invasively studying muscle architecture in humans in vivo include Ultrasonography (US) and Diffusion Tensor Imaging (DTI). Many studies have used either US or DTI, but there has been little or no research comparing the two techniques. The goal of this study was to compare the results of US and DTI for measuring human muscle fiber orientation in vivo. The data presented in this abstract indicate good agreement between manual US and DTI, supporting the use of DTI for in vivo muscle architecture measurements.

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