Endothelium-derived nitric oxide activity in the forearm vessels of tennis players

Daniel Green, J.G. O'Driscoll, Brian Blanksby, R.R. Taylor

    Research output: Contribution to journalArticle

    Abstract

    The aim of this study was to determine whether physical conditioning induced by a repetitive exercise stimulus would elicit changes in the response of forearm resistance vessels to an infusion of substances that modulate nitric oxide synthesis. Forearm blood flow responses to a 5-min ischemic stimulus and intrabrachial infusion of acetylcholine, sodium nitroprusside, and N-G-monomethyl-L-arginine were examined in the preferred and nonpreferred limbs of eight habitual tennis players. Forearm volume, girth, and grip strength were significantly greater in the preferred limb, indicating a bilateral difference in physical condition. This was associated with an enhanced reactive hyperemic response in the preferred limb (53.5 +/- 9.4 vs. 38.8 +/- 4.7 ml . 100 ml(-1). min(-1); P
    Original languageEnglish
    Pages (from-to)943-948
    JournalJournal of Applied Physiology
    Volume81
    Issue number2
    Publication statusPublished - 1996

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