How to sit with good desk posture

For anyone who sits at a desk all day and wants a posture that stays comfortable through long work blocks.

IJR · Sep 26, 2026 · 2 min read

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Stack your joints in open angles so your bones carry the load and your muscles stay quiet.

You'll need a height-adjustable chair, a clear desk, and a way to lift your screen to eye level if it sits low.

1: PARK the chair close enough that your stomach sits one fist from the desk edge. — **1: PARK** the chair close enough that your stomach sits one fist from the desk edge.

A fist of space lets you breathe without leaning. If you sit farther, scoot in; if you press the desk, ease back. You feel the chair settle when the gap matches your closed fist.

2: SET seat height so both feet rest flat and knees bend at ninety degrees. — **2: SET** seat height so both feet rest flat and knees bend at ninety degrees.

Thighs run parallel to the floor. Lower the chair if heels rise; raise it if knees sit higher than hips. You see the full sole of each shoe on the floor when height is right.

3: PRESS your hips back until they meet the chair backrest firmly. — **3: PRESS** your hips back until they meet the chair backrest firmly.

Leave two finger-widths between the seat front and the backs of your knees. You hear a soft thud as your lower back meets the lumbar support when you land all the way back.

4: LIFT the screen until its top edge lines up with your straight-ahead eye level. — **4: LIFT** the screen until its top edge lines up with your straight-ahead eye level.

Place it an arm's length away, twenty-five inches. Prop it up if the top falls below your eyes; lower it if the top rises above. You feel no pinch at the base of your skull when your gaze hits the top without tipping.

5: REST forearms lightly on the desk with elbows bent near ninety degrees. — **5: REST** forearms lightly on the desk with elbows bent near ninety degrees.

Keep wrists straight and shoulders dropped. If the bend closes under ninety degrees, raise the seat; if it opens past one hundred, roll closer. You see your wrists form a straight line with your forearms when the angle settles.

6: LEVEL your head so ears stack directly above shoulders and chin stays parallel to the floor. — **6: LEVEL** your head so ears stack directly above shoulders and chin stays parallel to the floor.

Imagine a string pulling the crown upward. If the chin pokes forward, draw it back until the neck lengthens. You hear your breath move freely when the airway stays open in this stacked position.

The most common mistake

Hips slide forward and the lower back loses the chair's support. Press them back until the backrest fits your lumbar curve.

Pro tip

Stand and walk ten steps every thirty minutes so the stack does not settle into a slump.

Say it every time

Fist gap, flat nineties, hips snug, eyes on top, soft elbows, high crown.

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The most common mistake

Pro tip

Say it every time

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