Abstract #1337

IVIM imaging of muscle following moderate and high-intensity exercise

Erin K Englund¹, David B Berry², Samuel R Ward^1,3, Lawrence R Frank³, and Bahar Shahidi¹

¹Department of Orthopaedic Surgery, University of California San Diego, La Jolla, CA, United States, ²Department of Nanoengineering, University of California San Diego, La Jolla, CA, United States, ³Department of Radiology, University of California San Diego, La Jolla, CA, United States

IVIM imaging provides insight into microvascular blood flow. Here, we investigate IVIM parameters following moderate and high-intensity exercise protocols, activating the plantar flexors and dorsiflexors of the leg. By interleaving b=0 images throughout the diffusion-weighted acquisition, we were additionally able to evaluate T₂ changes following exercise. We observed an increase in T₂ and diffusion coefficient, D, following high-intensity exercise. Changes were less obvious following moderate-intensity exercise.

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