Form cues
- Move slowly and controlled
- Keep feet planted
- Relax neck and shoulders
- Breathe deeply
Exercise
Waist, stability ball

A gentle back extension and stretch performed by draping the body over an exercise ball to mobilize the spine.
Target: erector spinae. Also works: rectus abdominis, hip flexors.
This one is filed as mobility. It shows in warm-up and cool-down, and in search.
Form cues
Common mistakes
Breathe deeply and steadily throughout the stretch.
In the app, search for Exercise Ball Spinal Stretch and add it to a workout.