Adjustable Lumbar Support: How to Find a Position That Feels Right

There is a reason lumbar pads are often adjustable: backs and chairs are not all shaped the same. Adjustability gives you options, although some positions will feel more comfortable than others. The aim is comfortable contact, not to force the largest possible curve in your lower back.

Begin without the extra pad

Sit back against the chair as it is. Note where it touches your lower back and whether the backrest already has a prominent curve. On an office chair, try any built-in lumbar adjustment first. Otherwise you may end up stacking two supports in the same place.

Look at seat depth too. A deep back cushion can leave less room for your thighs or make it harder to use the backrest.

Make one small adjustment at a time

Move the support a little higher or lower and see whether it feels like gentle contact in your natural seated position. If it creates a hard-feeling ridge, or makes you perch forwards, it is probably too prominent for that chair or position. Make changes slowly enough that you can tell what actually feels different.

There is no universal position measured in centimetres that suits all bodies, chairs and activities.

Try the setup while doing your usual task

A chair can feel fine when you sit still for a moment but less useful once you're typing, reading, sewing or gaming. Test the movement you normally make: can you reach your desk and turn comfortably without the pad sliding? Are the chair straps secure? Does your lower back still make contact when you sit back?

If the pad needs constant repositioning or the chair feels too shallow, a simpler support or a different chair may be a better choice.

What a lumbar pillow can change

A controlled study of a lumbar support pillow measured a small change in average lumbar posture during seated work. Participants did not report a statistically significant overall comfort gain. A review of office-chair interventions found conflicting, generally low-certainty evidence on pain and discomfort. Both sources provide background on seating design rather than a product comparison.

The practical next step is to find a pad position that gives gentle contact and leaves room to sit comfortably.

A quick fit check

• Use the chair's own adjustment before adding a separate pad.
• Move the pad until you find comfortable, gentle contact.
• Check that the cushion does not reduce seat depth too much.
• Sit, reach and turn as you would normally.
• Stop using it if it causes discomfort or cannot stay in position.

Considering a moveable pad?

Our adjustable lumbar support cushion page explains the Lasting Comfort design. Compare the approximate cushion measurements with your chair and check that any added padding leaves enough seat depth. The product details can help you decide whether the size and shape suit your chair.

Sources reviewed October 2026. General seating guidance; seek individual advice for persistent symptoms.