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).