She looks a lot stronger. She put on a lot of muscle and looks more confident.

It looks like an oblique muscle.

I get stronger as the game goes on. I get more confident as the game goes on. I felt I was able to mix up my pitches and keep them off balance somewhat. After that first inning, I felt better on the mound.

Whatever doesn't kill you makes you stronger.

It looks like a squeaky clean quarter.

Activity of the nervous system improves the capacity for activity, just as exercising a muscle makes it stronger.