mobility
Open Book Thoracic Rotation
Text cues are the instruction
No animation available yet. Follow the step-by-step cues and setup checks on this page.
High-stakes movement: check the positioning and setup requirements below before training. Animation availability does not change your exercise eligibility.
Kalyra may avoid or modify this exercise when:
- Rotating under loadKalyra takes a conservative approach and currently holds back twisting movements under load later in pregnancy.
Musclesspine
EquipmentNone
Positionside lying
Impactnone
Training roleJOINT_PREP
Form cues
- Side-lying, knees stacked at 90°, both arms reaching forward
- Inhale, then exhale as you open the top arm like a book cover
- Follow the hand with your eyes; keep the knees heavy and still
Common errors
- ✗ Letting the knees roll with the rotation
- ✗ Shrugging the bottom shoulder
How Kalyra programs it
Prepares and mobilizes the spine region — used in warm-ups and mobility blocks where range, not load, is the goal.
Typically 2–4 sets of 6–8 reps per side.
Easier · Harder · Substitutions
No easier regression on file.
No harder progression on file.
Written cues and setup checks remain the instruction alongside available exercise animations.
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