As a developer who also has cubital tunnel syndrome, having keyboards that places commonly use modifier keys [0] on your thumbs, such as Kinesis advantage or Ergodox, helps reducing the fatigue and symptoms immensely.
[0] it is called Emacs pinkies for a reason, and yes, my CTS is totally emacs’s fault as well.
[0] it is called Emacs pinkies for a reason, and yes, my CTS is totally emacs’s fault as well.