Rectus Abdominis, External Oblique, and Serratus Anterior, Part 2

I need to start breaking these down faster with value planes. These are taking too long. I stopped on time, after many interruptions. Focusing on time and not anatomy isn't teaching me anything. Well, not much anyway. I hope I have time to redo this one. Onto the master duplication.

18x24, Charcoal, 50 minutes