Testing Cardiac Output Of Long Distance Runners With Exercise

Abstract

A vital of thirty male and female distance runners randomly drawn participated in the study. Two variables were examined to reveal cardiac output prior and following exercise. The F-values for cardiac output prior and following exercise for male and female participants were 14.7 and 0.3 respectively compared to the critical value of 3.35. Therefore, Scheffe Multiple Comparison Method (S-method) was used as the post hoc analysis to identify the source of the significant difference in the cardiac output prior and following exercise. As a result of the follow-up verification, the S-value for male and female cardiac outputs were 5.0 L.min' and 1 25.0 L.min ' respectively (5,0 L. nun' ). It was therefore, revealed that exercise increases the amount of blood pumped per minute by the heart. Thus, it was recommended that preparticipation health examination should be conducted before engaging in long distance training and competitions to prevent injuries and sudden death.