“…While investigations of tests of physical performance have identified factors unique to agility tests (2, 3, 5 , 7. 8, 12, IS), others have found factors of speed and strength but have failed to identify the factor of agility (1,4,6,9,10,11,13,14). The conflicting results could be explained by the hypothesis that the variance in the performance of agility tests was primarily the result of an interaction of speed and strength.…”