Muscle metaboreflex activation by static exercise dilates pupil in humans

Naoyuki Hayashi*, Nami Someya

*この研究の対応する著者

研究成果: Article査読

7 被引用数 (Scopus)

抄録

We examined a hypothesis that static exercise and activation of sympathetic activation by metabolically sensitive skeletal muscle afferents (metaboreflex) influence the sympathetic nervous activity modulating pupil diameter. Nine subjects performed 2 min isometric handgrip exercise at 30% maximal voluntary contraction, which was followed by either 2 min of postexercise muscle ischemia (PEMI) in the forearm or no PEMI (control trial). The pupil diameter and mean blood pressure (MAP) increased significantly from rest during exercise in PEMI and control trials (5 ± 1 and 7 ± 1% in diameter; 13 ± 2 and 12 ± 2 mmHg in MAP, respectively). These increases in the diameter and MAP were maintained during PEMI (7 ± 2% and 9 ± 2 mmHg) but not during the recovery period in the control trial (3 ± 2% and 1 ± 2 mmHg). These results demonstrate that static handgrip exercise increases the pupil diameter, and this increase is partly due to the activation of metaboreflex in humans.

本文言語English
ページ(範囲)1217-1221
ページ数5
ジャーナルEuropean Journal of Applied Physiology
111
6
DOI
出版ステータスPublished - 2011 6月
外部発表はい

ASJC Scopus subject areas

  • 整形外科およびスポーツ医学
  • 公衆衛生学、環境および労働衛生
  • 生理学(医学)

フィンガープリント

「Muscle metaboreflex activation by static exercise dilates pupil in humans」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル