In a resistive magnetic resonance imaging system, the T1 and T2 values of muscle and fat were calculated in 2 volunteers, at rest and during venous and arterial stasis, postischemic hyperemia and dehydration. The values found at rest were reproducible from one occasion to another and there were no significant differences between values in the arms and legs. Dehydration induced a slight increase in the T2, otherwise there was no change during stasis, hyperemia or dehydration.
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