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Abstract #1569

Influence of muscle fiber tension on 31P MRS recovery parameter after intense exercise

Kevin Moll1, Alexander Gussew1, and J├╝rgen R. Reichenbach1

1Medical Physics Group, Institute of Diagnostic and Interventional Radiology, Jena University Hospital - Friedrich Schiller University Jena, Jena, Germany

When performing exercise induced 31P MRS motion and activities from the everyday life and the positioning of the investigated extremities within the MR scanner should be considered, since this could induce partial ischemia effects like muscular cramps. The aim of this study was to prove the effect of muscle tension on metabolic parameter measured by 31P MRS after an intense exercise. PCr recovery as well as pH kinetic was significantly slowed by a partial ischemia preventing a quantitative evaluation.

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