Doorway chest stretch: how to do it right

The doorway chest stretch, or pec stretch, uses a door frame to pull your arm back so the muscles across the front of your chest lengthen. It is for people whose shoulders roll forward from typing, and it takes about three minutes with a doorway nearby.

How to do it

1. Stand in a doorway. Put your forearm on the frame with your elbow bent at 90 degrees, at or a little below shoulder height.
2. Step the foot on the same side through the doorway so your body moves ahead of your arm. Keep your ribs down.
3. Lean gently forward until you feel a stretch across the front of your chest.
4. Breathe slowly and hold for 20 to 30 seconds.
5. Step back and lower your arm.
6. Repeat on the other side. Do 2 or 3 rounds each side.

Your head stays level and your chin stays gently tucked, so you are not craning forward as you lean.

What you should feel

A stretch across your upper chest and possibly the front of your shoulder, on the arm that is on the frame. It should feel like a mild tug of 3 or 4 out of 10 effort. Pain deep inside the front of your shoulder joint, or tingling or numbness in the arm or hand, means you have gone too far or the position does not suit you. Ease off or stop.

Common mistakes

• Arching your low back. If your ribs flare and your back hollows, the stretch moves out of your chest. Keep your ribs down and your abdomen lightly braced.
• Lifting your shoulder toward your ear. Keep it down and back a little.
• Setting your arm too high. Start at or a little below shoulder height, and go higher only if it stays comfortable in the front of your shoulder.
• Leaning too far too fast. Move in gradually.
• Forgetting the other side. Do both, even if one feels fine.

How long and how often

Trials give a picture of what has been tested. In a 2023 study of 60 young women with rounded shoulder posture, both groups did pectoralis minor stretches held for 30 seconds, 2 sets of 3 repetitions, 5 days a week for 3 weeks, with one group adding lower trapezius strengthening ^[1]. Both groups improved on a chest-muscle length test, and the strengthening group improved more on it. There was no non-exercise control group, so the study cannot show how much came from the stretch itself ^[1].

A separate study of 34 male high-school baseball players tested a single session of the doorway stretch, 5 repetitions of 30 seconds. Right after, the chest muscle measured longer and shoulder-blade position changed ^[2]. That is a short-term measurement change, not proof the change lasts.

For a general programme, the Cleveland Clinic describes holding a doorway stretch for 20 to 30 seconds, two to three times a day ^[3]. These are typical ranges, not a prescription.

An easier and a harder version

Easier: use a smaller step, or put your forearm on a wall corner and rotate your body away. Hold 15 to 20 seconds.

Harder: change your elbow height. Try one setting a little lower and one a little higher, staying under shoulder height at first, to find where the stretch reaches a different part of your chest. Hold up to 30 seconds. The Cleveland Clinic also describes a version with both arms in a goalpost position and a step forward ^[3][4].

At your desk

You do not need a doorway to get the idea. Sit at the front of your chair, hook one forearm over the chair back, and rotate your torso away. It is a smaller stretch than the standing version. If your keyboard sits far in front of you, your arms reach forward all day, so bring your keyboard closer and your screen higher, and the desk height calculator can give a starting point.

Stop and see a clinician if

• You feel numbness, tingling or weakness in your arms or hands.
• Pain spreads down an arm.
• You feel dizzy or faint.
• You get double vision or other visual change, a drop attack, or new trouble walking or using your hands.
• You have shoulder pain after an injury, or the shoulder feels unstable or catches.
• Your pain is severe or getting worse.
• You have chest pain or shortness of breath, which needs urgent care.

This page is general information and cannot diagnose the cause of your pain.