MOVEMENT GUIDE / MAT
Open book rotation
Lie on your side and gently rotate your upper back while following your hand.

Target muscles
Joint control and comfortable range of motion
Setup
Start in a supported position and avoid forcing an end range.
Perform the move
Lie on your side and gently rotate your upper back while following your hand. Return slowly to the starting position. Keep breathing and stop if the movement causes pain.
Why use it?
Practice accessible movement with control, rather than chasing extreme flexibility.
Common mistake
Forcing motion through the lower back.
Alternative
Seated upper-back rotation
Use the setup, movement, common mistake and easier option above. A selected external demonstration for this exact variation has not been added yet.
Exercise within a comfortable range. Stop if a movement causes pain.
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