Enhanced maximal metabolic vasodilatation in the dominant forearms of tennis players

Lawrence Sinoway, T. I. Musch, J. R. Minotti, Robert Zelis

Research output: Contribution to journalArticle

106 Citations (Scopus)

Abstract

In an effort to evaluate potential peripheral adaptations to training, maximal metabolic vasodilation was studied in the dominant and nondominant forearms of six tennis players and six control subjects. Maximal metabolic vasodilation was defined as the peak forearm blood flow measured after release of arterial occlusion, the reactive hyperemic blood flow (RHBF). Two ischemic stimuli were employed in each subject: 5 min of arterial occlusion (RHBF5) and 5 min of arterial occlusion coupled with 1 min of ischemic exercise (RHBF(5ex)). RHBF and resting forearm blood flows were measured using venous occlusion strain-gauge plethysmography (ml · min-1 · 100 ml-1). Resting forearm blood flows were similar in both arms of both groups. RHBF(5ex) was similar in both arms of our control group (dominant, 40.8 ± 1.2 vs nondominant, 40.9 ± 2.1). However, RHBF(5ex) was 42% higher in the dominant than in the nondominant foreamrs of our tennis player population (dominant, 48.7 ± 4.0 vs nondominant, 34.4 ± 3.4; P < 0.05). This intraindividual difference in peak forearm blood flow was not secondary to improved systemic conditioning since the maximal O2 consumptions in the two study groups were similar (controls, 45.4 ± 3.9 vs tennis players, 46.1 ± 1.7). These findings suggest a primary peripheral cardiovascular adaptation to exercise training in the dominant forearms of the tennis players resulting in a greater maximal vasodilatation.

Original languageEnglish (US)
Pages (from-to)673-678
Number of pages6
JournalJournal of Applied Physiology
Volume61
Issue number2
StatePublished - Jan 1 1986

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Tennis
Forearm
Vasodilation
Arm
Plethysmography
Exercise
Control Groups

All Science Journal Classification (ASJC) codes

  • Physiology
  • Physiology (medical)

Cite this

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title = "Enhanced maximal metabolic vasodilatation in the dominant forearms of tennis players",
abstract = "In an effort to evaluate potential peripheral adaptations to training, maximal metabolic vasodilation was studied in the dominant and nondominant forearms of six tennis players and six control subjects. Maximal metabolic vasodilation was defined as the peak forearm blood flow measured after release of arterial occlusion, the reactive hyperemic blood flow (RHBF). Two ischemic stimuli were employed in each subject: 5 min of arterial occlusion (RHBF5) and 5 min of arterial occlusion coupled with 1 min of ischemic exercise (RHBF(5ex)). RHBF and resting forearm blood flows were measured using venous occlusion strain-gauge plethysmography (ml · min-1 · 100 ml-1). Resting forearm blood flows were similar in both arms of both groups. RHBF(5ex) was similar in both arms of our control group (dominant, 40.8 ± 1.2 vs nondominant, 40.9 ± 2.1). However, RHBF(5ex) was 42{\%} higher in the dominant than in the nondominant foreamrs of our tennis player population (dominant, 48.7 ± 4.0 vs nondominant, 34.4 ± 3.4; P < 0.05). This intraindividual difference in peak forearm blood flow was not secondary to improved systemic conditioning since the maximal O2 consumptions in the two study groups were similar (controls, 45.4 ± 3.9 vs tennis players, 46.1 ± 1.7). These findings suggest a primary peripheral cardiovascular adaptation to exercise training in the dominant forearms of the tennis players resulting in a greater maximal vasodilatation.",
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Enhanced maximal metabolic vasodilatation in the dominant forearms of tennis players. / Sinoway, Lawrence; Musch, T. I.; Minotti, J. R.; Zelis, Robert.

In: Journal of Applied Physiology, Vol. 61, No. 2, 01.01.1986, p. 673-678.

Research output: Contribution to journalArticle

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