手指の温熱血管収縮反応に及ぼす運動トレーニングの影響

概要

論文の詳細を見る
The effect of exercise on heat-induced vasoconstriction (HIVC) was examined in sixteen healthy male adult volunteers (8 trained Germans who have daily exercise and 8 untrained Germans). HIVC, cold-induced vasodilation (CIVD), bodv fat (BF%), V^・o_2max and daily energy and protein intake were measured. The finger blood flow was measured in water of 35℃ to 43℃ every 10 minutes by laser Doppler flowmetry (LDF). CIVD was measured during the middle finger immersion in ice water at 0.2℃ for 30 minutes. In the trained court, BF% (10.2±0.7%) was sixnificantlv lower than that of the untrained group (14.3±1.4%), and the V^・o_2max (68.3±1.2ml/kg/min) and dairy protein intake (123.1±18.7g/day) were significantly greater than those of the untrained group (55.5±0.7ml/kg/min, 100.5±16.5g/day). The initial HIVC was observed four minutes after the immersion in both groups and the second HIVC at 14 minutes in the trained group and at 16 minutes in the untrained group. During immersion at 38℃ to 43℃, the increase in finger blood flow per minute was greater in the trained group and the increase in finger skin temperature per minute was smaller in the trained group. The mean skin temperature (14.88±2.13℃ in trained, 12.04±2.14℃ in untrained) and resistance index (13.0±1.7 in trained, 10.9±1.5 in untrained) as a value of CIVD during ice water immersion were significantly higher in the trained group. These results suggested that arteriovenous anastomosis (AVA) in the fingers are more quantitatively and/or functionally superior in trained group and the local heat and cold tolerance in the fingers are obtained simultaneously by physical training.
日本運動生理学会の論文
1999-01-30

手指の温熱血管収縮反応に及ぼす運動トレーニングの影響

スポンサーリンク

概要

著者

関連論文

スポンサーリンク