TO OUR READERS: An error appeared in the ahead-of-print version of the following article:

Matsumura, T., Takamura, Y., Fukuzawa, K., Nakagawa, K., Nonoyama, S., Tomoo, K., Tsukamoto, H., Shinohara, Y., Iemitsu, M., Nagano, A., Isaka, T., & Hashimoto, T. (2023). Ergogenic effects of very low to moderate doses of caffeine on vertical jump performance. International Journal of Sport Nutrition and Exercise Metabolism. Advance online publication. https://doi.org/10.1123/ijsnem.2023-0061

There was an error in the equation for vertical jump velocity (V) on page 2. The article was corrected July, 26, 2023.