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Previous studies9-11,20 have demonstrated that legblood flow did not change or increased only slightlywith training.8'12 We observed that the modestincrease in flow in treated subjects was not correlatedto improved exercise performance.9 The lower postexerciseankle-to-arm blood pressure ratios aftertraining were due to a higher arm pressure and not toa lower ankle pressure. The finding of an increase inarm systolic pressure reflected the improvement inpeak exercise capacity after training. Hall andBarnard'7 and Jonason and Ringqvist18 described anincrease in the postexercise ankle blood pressureafter training, but no change in leg blood flow. Thus,changes in the postexercise ankle-to-arm blood pressureratio cannot be used to infer similar changes inperipheral perfusion.
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