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Ozean Journal of Applied Sciences 2(2), 2009As the computed f-value is greater than the tabular f-value (6.0 >3.4028) at 0.05 level of significance with 2 and24 degrees of freedom, the null hypothesis which stated that there would be no significant difference in thestroke volume of the participants in backward slope walking and the changes in the three treadmill gradients wasrejected. Thus, this shows that there was significant difference in the stroke-volume of the backward slopewalking participants in the three treadmill gradients (P 10 0 >0 010 0 vs 0 0 3.62* 3.53Df = (3,24); P< 0.05; *significantTukey’s honest significant difference test was used to determine the difference in the stroke-volume between thethree treadmill gradients in backward slope walking participants. Thus, the mean difference that resulted in thevariation were 3.74 and 3.62 compared to a critical value of 3.53 at 0.05 level of significance respectively. Thus,the pairwise that brought about the variation was 5 0 versus 10 0 and 10 0 versus 0 0 treadmill gradients. It thereforeimplies, that the treatment influenced the variation in the stroke volume responses of the participants inbackward slope walking at 5 0 and 10 0 treadmill gradients.Hypothesis three: There will be no significant difference in the cardiac output of the participant in backwardslope walking and the changes in the three treadmill gradient.Table 5: One- way Analysis of variance (ANOVA) showing difference in the cardiac output between the threetreadmill gradient in the backward slope walking (Unit: L.min -1 )Source of variation SS DF MS F-Cal F-CriticalAmong 3.8518 2 1.925926 5.2 3.402Within 8.8888 24 0.03037Total 2.7406 26Gradient 0 0 5 0 10 0199