Beato, Marco, Bigby, Alexander E.J., De Keijzer, Kevin L., Nakamura, Fabio Y., Coratella, Giuseppe, and McErlain-Naylor, Stuart A. (2019) Post-activation potentiation effect of eccentric overload and traditional weightlifting exercise on jumping and sprinting performance in male athletes. PLoS ONE, 14 (9). e0222466.

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Abstract

The aim of this study was to evaluate the post-activation potentiation (PAP) effects following eccentric overload (EOL) and traditional weightlifting (TW) exercise on standing long jump (SLJ), countermovement jump (CMJ), and 5 m sprint acceleration performance. Ten male athletes were involved in a randomized, crossover study. The subjects performed 3 sets of 6 repetitions of EOL or TW half squat exercise followed by SLJ, CMJ, and 5 m sprint tests at 1 min, 3 min and 7 min, in separate sessions using a randomized order. Bayes factor (BF₁₀) was reported to show the strength of the evidence. Differences were found using EOL for SLJ distance at 3 min (BF₁₀ = 7.24, +8%), and 7 min (BF₁₀ = 19.5, +7%), for CMJ at 3 min (BF₁₀ = 3.25, +9%), and 7 min (BF₁₀ = 4.12, +10.5%). Differences were found using TW exercise for SLJ at 3 min (BF₁₀ = 3.88, +9%), and 7 min (BF₁₀ = 12.4, +9%), CMJ at 3 min (BF₁₀ = 7.42, +9.5%), and 7 min (BF₁₀ = 12.4, +12%). No meaningful differences were found between EOL and TW exercises for SLJ (BF₁₀ = 0.33), CMJ (BF₁₀ = 0.27), and 5 m sprint (BF₁₀ = 0.22). In conclusion, EOL and TW exercises acutely increase SLJ and CMJ, but not 5 m sprint performance. The PAP time window was found between 3 min and 7 min using both protocols. This study did not find differences between EOL and TW exercises, and so both methodologies can be used to stimulate a PAP response.

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