Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Dec 31;39(4):1033–1042. doi: 10.5114/biolsport.2023.112088

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © Biology of Sport 2022

This is an Open Access article distributed under the terms of the Creative Commons Attribution Share Alike 4.0 License, allowing third parties to copy and redistribute the material in any medium or format and remix, transform, and build upon the material for any purpose, even commercially, provided the original work is properly cited and states its license.

PMC Copyright notice

FIG. 2 — Group means and standard deviation with individual values of maximum (P_max; A), mean (P_mean; B) and minimum (P_min; C) powers and plasma lactate concentrations [La; D] after different protocol sessions.

Note: PLA: placebo, N20: 20 min nap opportunity with placebo ingestion, CAF: 5 mg · kg^-1 of caffeine and CAF+N20: 5 mg · kg^-1 of caffeine + 20 min nap opportunity. ^*, ^** and ^*** indicate a significant difference in comparison with PLA session at p < 0.05, p < 0.01 and p < 0.001, respectively; ^#, ^## and ^### indicate a significant difference in comparison with N20 values at p < 0.05, p < 0.01 and p < 0.001, respectively.