Seated Open-up and Under Swing on a Chair
Improve chest mobility and spinal rotation with the Seated Open-up and Under Swing. This dynamic movement enhances posture and flexibility.
Description
A seated exercise that involves opening up the chest and swinging the arm under the other while maintaining a straight posture.
How to Do Seated Open-up and Under Swing on a Chair
- 1Setup
Sit tall on a chair with your feet flat on the floor, hip-width apart, ensuring your spine is neutral and shoulders are relaxed.
- 2Setup
Extend both arms straight out in front of your chest, palms facing each other, keeping them parallel to the floor.
- 3
Inhale deeply as you sweep one arm out to the side, opening your chest and rotating your upper torso to follow the hand, keeping the other arm extended forward.
- 4
Exhale as you bring the open arm back to the front, then swing it under the stationary arm, reaching across your body while gently rounding your upper back and rotating.
- 5
Return the swinging arm to the starting extended position in front of you, maintaining a controlled motion.
- 6
Alternate arms, performing the open-up and under swing on the opposite side, ensuring smooth transitions and controlled breathing.
Tips
- Focus on thoracic rotation: Initiate the "open-up" movement from your upper back (thoracic spine) rather than just moving your arm, to maximize mobility benefits.
- Coordinate with breath: Inhale as you open your chest to facilitate expansion, and exhale as you swing under to deepen the rotation and gentle flexion.
- Keep hips stable: Maintain your hips firmly planted on the chair throughout the movement to isolate the rotation to your upper body and prevent compensatory swaying.
- Smooth, controlled motion: Avoid jerky movements; perform each phase of the swing with fluidity and control to protect your joints and enhance mobility safely.
Common Mistakes
- ×Rushing the movement: Performing the swings too quickly diminishes the mobility benefits; focus on slow, controlled movements to engage the target muscles and improve range of motion.
- ×Moving the lower body: Allowing your hips to lift or shift off the chair reduces the effectiveness of the thoracic rotation; keep your glutes anchored to isolate the movement to your upper spine.
- ×Holding your breath: Failing to coordinate breathing with the movement can restrict range of motion; inhale during the "open-up" and exhale during the "under swing" to facilitate deeper movement.
Variations

Seated Pec Dec on a Chair
Perform a bodyweight seated pec dec, squeezing your chest muscles to bring your hands together in front of you.

Seated Arm Crossover on a Chair
Perform seated arm crossovers to engage your chest and shoulders, improving posture and upper body strength.
Related Exercises

Seated Incline Chest Press on a Chair
Strengthen your chest with this bodyweight seated incline press. Targets pecs and deltoids effectively using just a chair. Perfect for home workouts.

Seated Chest Press on a Chair
Strengthen your chest and shoulders with the seated chest press. This bodyweight exercise builds upper body pushing power and muscular endurance

Seated Elbow Chest Fly on a Chair
Strengthen your chest with the Seated Elbow Chest Fly. This bodyweight exercise targets your pectorals, improving posture and upper body stability.

Seated Decline Chest Press on a Chair
Perform a bodyweight seated decline chest press on a chair to effectively target your lower chest muscles.

Dumbbell Complex Push-up Row Clean and Press
The ultimate full-body dumbbell complex combining a push-up, row, clean, and overhead press in one flow.

Bodyweight Kneeling Push-up Row
Build chest and back strength with this kneeling push-up variation that adds a rowing pull at the top.
Track Seated Open-up and Under Swing on a Chair in your workouts
Log sets, reps, and weight. See your progress over time.
Get Ellim — Free