90/90 with single leg extended (Upper trunk rotation AROM, leading with arm, lower leg straight, side lying; 03)

Lie on your side with your lower leg extended and your upper knee and hip bent at 90 degrees.
Reach your arms out in front of you with your hands one on top of the other.
Open out the upper arm, keeping your back on the floor.
Hold your knees on the floor and keep your pelvis still.
At the end of the rotation, breathe out and hold.
Rotate to the other side breathing normally.
Turn your arm as far as possible.