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Abstract
The purpose of this investigation was to determine whether the placement of tri-weekly training sessions would enhance aerobic capacity. Forty-eight male undergraduate students enrolled at the University of Louisville participated as subjects. Group 1 subjects (n = 16) performed exercise in the form of high intensity interval type running (five 3-min exercise bouts) on Monday, Tuesday, and Wednesday for ten weeks. Group 2 subjects (n = 16) followed a similar exercise protocol with the exception that training sessions were conducted on Monday, Wednesday, and Friday. Group 3 subjects (n = 16) served as nonexercising controls. Significant (p <0.01) within group (pre- versus post-training) differences were found for aerobic capacity ([Vdot]O2 max) and associated physiological variables for Groups 1 and 2. Analysis of covariance demonstrated significant (p <0.01) differences ([Vdot]O2 max) among groups. Post hoc comparisons revealed significant differences between the control group and each experimental group. No significant differences were found between experimental groups. It was concluded that placement of tri-weekly training sessions is not critical with respect to enhancement of aerobic capacity in college-age males.