Seated Open-up and Under Swing on a Chair
Perform the Seated Open-up and Under Swing on a Chair to improve flexibility and mobility in your upper body.
- Sit upright on the edge of the chair with your feet flat on the floor.
- Open your arms wide to the sides, stretching your chest.
- Slowly swing your arms under your body, crossing them in front.
- Return to the starting position and repeat for the desired number of repetitions.
How to perform the Seated Open-up and Under Swing on a Chair
- Set up. Set up in a stable, balanced starting position appropriate for the Seated Open-up and Under Swing on a Chair using your body weight.
- Brace and execute. Brace your core, control the descent, and move through a full pain-free range of motion while emphasizing your pectoralis major.
- Reset. Reverse the movement under control and reset between repetitions, keeping your form crisp on every rep.
Coaching cues
- Move with intent — every rep should feel deliberate, not rushed.
- Drive force through your pectoralis major rather than momentum.
- Keep your breathing steady: exhale on the hard part, inhale on the reset.
Common mistakes
- Using too much weight and losing positional control.
- Cutting the range of motion short and missing the target muscle.
- Letting your spine round or hyperextend instead of staying neutral.
Detailed cues, common mistakes, and demonstration video are available in the Fitly app.
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