Effects of carbohydrates-BCAAs-caffeine ingestion on performance and neuromuscular function during a 2-h treadmill run: a randomized, double-blind, cross-over placebo-controlled study

Figures & data

Table 1 Main characteristics of the subjects

Figure 1 Experimental design and diagram of flow of subjects through the study protocol. $\dot{\mathsf{\text{V}}}{\mathsf{\text{O}}}_2$: oxygen consumption; RER: Respiratory Exchange Ratio; HR: heart rate; RPE: rate of perceived exertion.

Figure 2 Difference in blood glucose concentration before and after the performance test (protocol 1). Values are means ± SD. *** p = 0.0002.

Figure 3 Evolution of oxygen consumption (panel A), heart rate (panel B) and Borg's Rating of Perceived Exertion (panel C) during the standardized exercise protocol (protocol 2). Values are means ± SD.

Figure 4 Difference in blood glucose (panel A) and lactate (panel B) concentrations before and after the standardized exercise protocol (protocol 2). Values are means ± SD. *** p < 0.001.

Table 2 Neuromuscular variables before and after the standardized 120 min running exercise