We demonstrate increased 31P metabolite sensitivity by acquiring 31P signals over a large volume in the liver of a volunteer using a 31P whole body birdcage coil at 7T and minimize spatial reach of muscle signal leakage plus investigate frequency alignment due to B0 homogeneities. Sufficient SNR could be obtained in weighted average spectrum of all liver voxels and of four local liver voxels. Correcting B0 inhomogeneities by aligning resulted in a two-fold and 30% increase compared to non-aligned for the liver voxel average and the local voxel average respectively. The full setup allowed for full liver coverage and minimized muscle signal leakage.
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