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Serum CTX before, during, and after exercise (left) under control and Ca supplementation conditions and the change from immediately before to 30 minutes after exercise (right). Arrows indicate consumption of placebo or Ca-enriched beverage. The top panel is for Experiment 1 and the bottom panel is for Experiment 2.
Within-group change, * p < 0.05, ** p< 0.001; Between-group difference, ǂ p <0.05.
