The purpose of the study was to examine the relationship of velocity of running to three factors which may influence this velocity. These factors were: (a) the angle to which the leg is raised in front of the body; (b) the length of two strides (a cycle); and (c) the angle that the leg makes with the ground at point of touchdown. Intercorrelations were computed between these variables. Data for this study were obtained by film analysis of 19 University of Maryland runners of varying degrees of skill. Statistically significant intercorrelations (P < .05) were observed between all variables except between mean angle of leg lift and mean angle of leg at touchdown.
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Deshon et al. (1964) studied this question.