Figure 2. Serum myostatin propeptide levels in males and females produced a significant interaction (p < 0.05). In males, eccentric exercise resulted in a significant increase in myostatin (*), whereas females underwent a significant decrease († ). ‡ Significant Gender x Test Interaction (p < 0.05), * Significantly > Pre (p < 0.05), †  Significantly < Pre (p < 0.05).