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. 2019 May 29;317(2):R346–R354. doi: 10.1152/ajpregu.00084.2019

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Fig. 4. — Intramuscular phosphocreatine (PCr) concentration ([PCr]; A), Pi concentration ([Pi]; B), ADP concentration ([ADP]; C), and pH (D) during severe-intensity single-leg knee-extensor exercise in the right control leg (Leg_2CON) and in the right leg following prior exhaustive exercise in the left leg after ingestion of placebo (Leg_2PL-CONTRA) and ACT (Leg_2ACT-CONTRA). Values are group means ± SE. *Time to task failure (T_lim) significantly different from Leg_2PL-CONTRA and Leg_2ACT-CONTRA (P < 0.05); #[Pi] significantly different from Leg_2PL-CONTRA and Leg_2ACT-CONTRA (P < 0.05).