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.
Description
A seated exercise focused on the chest muscles using a Pec Dec machine.
How to Do Seated Pec Dec on a Chair
- 1Setup
Sit upright on a sturdy chair with your feet flat on the floor, hip-width apart, and your back straight against the chair or maintaining a neutral spine.
- 2Setup
Raise your upper arms out to your sides until your elbows are at shoulder height, bent at a 90-degree angle, with your forearms pointing forward and hands in front of your chest.
- 3
Exhale as you slowly bring your forearms and hands together in front of your chest, actively squeezing your pectoral muscles as if performing a chest fly.
- 4
Aim to touch your forearms or hands together, maintaining the bent elbow position and a strong contraction in your chest for a brief moment.
- 5
Inhale as you slowly and with control reverse the motion, opening your arms back to the starting position.
- 6
Stop just before your elbows go beyond your torso, maintaining continuous tension on your chest muscles, then immediately begin the next repetition.
Tips
- Focus on the squeeze: Consciously contract your chest muscles to initiate and complete the movement, rather than just swinging your arms together.
- Control the eccentric phase: Resist the urge to let your arms quickly spring back; control the opening motion to maximize time under tension and muscle engagement.
- Maintain elbow height: Keep your elbows elevated at shoulder height throughout the entire range of motion to effectively target the pectoralis major.
- Engage your core: Keep your abdominal muscles lightly braced to maintain a stable torso and prevent any rocking or compensatory movements.
Common Mistakes
- ×Flaring elbows too wide or letting them drop: Avoid allowing your elbows to fall below shoulder level during the movement; keep them elevated to maintain optimal tension on the chest.
- ×Using momentum instead of muscle: Do not swing your arms together rapidly; perform each repetition with a slow, controlled squeeze to ensure your chest muscles are performing the work.
- ×Rounding the back or slouching: Maintain a tall, straight posture with your shoulders down and back to keep the focus on your chest and prevent unwanted stress on your spine.
Variations

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

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.
Related Exercises

Seated Chest Clam
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Lay Down Push-up
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Sitting Prayer Chest Squeeze on a Chair
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Push with Chair
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Bodyweight Kneeling Push-up Row
Build chest and back strength with this kneeling push-up variation that adds a rowing pull at the top.
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