That game ruled, I remember one of the tracks had a huge hidden stunt room you could find.

Look up Kneesovertoesguy on Youtube, he has a lot of good shoulder stability exercises.

The muscles the guy has labelled in the video look like rotator cuff muscles, which are commonly trained for shoulder issues.

If I’m thinking of the same scene, it was Bobbie the first time she’s on Earth and has kind of a panic attack because she’s never been anywhere where you could just be out in the open like that. I forget which book it was though.