Remap your keys. Capslock makes for a very nice control key, cause really, that's the single most used modifier/power key that gets used aside from maybe shift. You can also remap the "lead-in" character.
I use ^j on both screen and tmux (tmux isn't on our prod servers). This frees up ^a in screen so ^a can send me to the beginning of a line, which is quite nice as I write a lot of long commands and it works in several different programs. It's just a really easy combo to hit that avoids chording or stretching your hands to do something like that constantly. My right hand does not hit the 'b' key for squat.
Honestly, a lot of stuff is configurable so that with some thought and planning (and knowledge and research) you can relieve a lot of weird movements with your hands.
I use ^j on both screen and tmux (tmux isn't on our prod servers). This frees up ^a in screen so ^a can send me to the beginning of a line, which is quite nice as I write a lot of long commands and it works in several different programs. It's just a really easy combo to hit that avoids chording or stretching your hands to do something like that constantly. My right hand does not hit the 'b' key for squat.
Honestly, a lot of stuff is configurable so that with some thought and planning (and knowledge and research) you can relieve a lot of weird movements with your hands.