Alternating Stability-Ball Seated Side-Bend
The Alternating Stability-Ball Seated Side-Bend mainly works the core, with help from the lower back. You'll need: exercise ball.
Required Equipment

Alternating Stability-Ball Seated Side-Bend Muscles Worked
Primary
Obliques
Secondary
Abdominals (rectus abdominis); Spinal Erectors (erector spinae)
How to do the Alternating Stability-Ball Seated Side-Bend
Setup
Sit upright on a stability ball with your feet planted firmly on the floor at hip-width distance to maintain balance.
Maintain a neutral spine and engage your core muscles.
Movement
Raise one arm straight up toward the ceiling.
Lean your torso slowly and controlled to the opposite side, keeping your hips stable on the ball. You should feel a stretch along the side of your torso (your obliques).
Hold the stretch momentarily, then return to the starting upright position by using your core strength.
Switch arms and lean to the other side to complete the next repetition.
Tips
Keep movements slow and deliberate rather than using momentum.
Ensure the ball remains stationary throughout the movement.
Alternating Stability-Ball Seated Side-Bend FAQs
What muscles does the Alternating Stability-Ball Seated Side-Bend work?
The Alternating Stability-Ball Seated Side-Bend mainly works the core, with help from the lower back. The main muscles are the obliques.
What equipment do you need for the Alternating Stability-Ball Seated Side-Bend?
Exercise ball.
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