These typos have been in the game since I started playing in 1997 so these are truly ancient!

I may be tilting at a windmill here, but I figured since there's some attention being paid to fixing bugs, maybe they'll get included.

The correct singular forms of these words are biceps, triceps, and quadriceps.

~ Player of Farman et al.

Holy cow, they're absolutely right. All three of those are muscle GROUPS, not singular muscles.