Is there a keyboard shortcut to switch through opened tabs?

Hi community,

does anyone know, if there are any keyboards shortcut available to switch through opened tabs?

I am looking for a keyboard shortcut to

- set the focus to the tabs pane
- move back and forth inside the tab pane
- set focus back from tab pane to item window 

I think some simple shortcuts would ease up navigation - especially for administrators that have a tendency the mouse arm syndrome. I noticed that I most of the time switch to the mouse for the sole purpose of selecting another tab. 

Does anyone know a secret shortcut that could work? Or has somebody an idea to build this on, maybe with CUI?

Any input welcomed! Thanks!