Keywords: Tendon/Ligament, Low-Field MRI, UTE MRI, SWE, ballet dancersMulti-echo ultrashort echo time (UTE) MRI provides quantitative structural information on both tendon matrix constituents and water distribution, which influence the mechanical function of tendons. UTE images of professional ballet dancers' Achilles tendons (AT) were combined with Shear Wave Elastography (SWE) Ultrasound (US) measurements of their AT to provide insight on the structure-function. The signal fraction corresponding to the off-resonance relaxation tendon components were found to positively correlate with the long-axis SWE velocity in this dancer cohort.
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