Amsterdam Movement Sciences 1 article published in JoVE Medicine 3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue Guido Weide1,2, Stephan van der Zwaard1, Peter A. Huijing1, Richard T. Jaspers*1, Jaap Harlaar*2 1Laboratory for Myology, Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, 2Department of Rehabilitation Medicine, VU University Medical Center Amsterdam, Amsterdam Movement Sciences 3D ultrasound imaging (3DUS) allows fast and cost-effective morphometry of musculoskeletal tissues. We present a protocol to measure muscle volume and fascicle length using 3DUS.