LT 強度での長時間運動中の SV と STI

概要

論文の詳細を見る
It is generally known that during prolonged submaximal exercise a number of progressive circulatory changes occur throughout the exercise period, including an increase in HR, and a decrease in the stroke volume (SV) and/or blood pressure. The decrease in SV during the prolonged exercise might be interpreted as an impairment of cardiovascular function. There are many reports about changes of the SV during graded exercise. However, cardiac responses to prolonged LT level exercise have not been investigated. In the present study, systolic time intervals and SV during prolonged submaximal exercise relative to LT were evaluated in 7 normal healthy males (32±2yr). Determination of SV by impedance cardiography was based upon the method described by Kubicek et al.(1970): SV=p(L/Zo)^2(dZ/dt)min LVET.
日本体力医学会の論文
1991-12-01