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Abstract #5025

Age-related differences in quantitative muscular contraction parameters measured by synchronous dynamic MRI of electrical muscle stimulation

Xeni Deligianni1,2, Christopher Klenk3, Meritxell Garcia4, Michele Pansini5, Anna Hirschmann4, Arno Schmidt-Trucksäss3, Oliver Bieri1,2, and Francesco Santini1,2

1Radiology, Division of Radiological Physics, University of Basel Hospital, Basel, Switzerland, 2Biomedical Engineering, University of Basel, Basel, Switzerland, 3Sports Medicine, University of Basel, Basel, Switzerland, 4Musculoskeletal Radiology, Clinic of Radiology and Nuclear Medicine, University of Basel Hospital, Basel, Switzerland, 5Ricerche Diagnostiche Srl, Bari, Italy

Stimulation of the quadriceps muscle group of the thigh and synchronous phase contrast imaging at a 3T MRI scanner were applied to six young and 13 elderly volunteers, to assess age-related differences. Dynamic strain and strain rate maps were reconstructed. Age-related differences both for strain and strain rate were observed and the significance of the difference increased when the vastus intermedius muscle was included.

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