This article includes a 2:50 video walkthrough.
Quick answer
Most people don't think about pelvic position, which makes the pelvis support one of the trickier adjustments. Avoid two common mistakes: adjusting it while you're slouched, and bringing it too far forward. Lift your pelvis upright, sit as deep into the seat as you can, then bring the pelvis support forward only until you can't tilt your pelvis back. It should feel like a gentle hug, not a push.
Step by step
Lift your pelvis first. Don't adjust while slouched. If you do, the support ends up in your lower back and you lose seat depth.
Sit as deep as possible. Leave a little space behind your knees. Taller people will sit deeper and may have more space, which is fine.
Bring the support forward just enough. Turn the knob until you can no longer tilt your pelvis back. That's the "tilt back" test.
Don't overdo it. If you're tall and already up against the support, you may not need to bring it forward at all. That keeps your seat depth and your comfort.
Also called: lower back support, lower back pad, lumbar support, pelvic support, Precision Posture System.
Still struggling to find the right position? Book a free Posture Consult with one of our licensed therapists. Consults are educational and product-related only, not medical advice, diagnosis, or treatment.
Video transcript
Adjusting the pelvis support may not be intuitive for most of us, because most of us don't think about the position of our pelvis. So I want to show you a couple of mistakes that I see commonly when I'm meeting with Anthros customers.
The first one is how you get into the chair initially. Most of us, when we sit, we just sit, and we're not thinking about the position of the pelvis. So we do this. And what I see is some people will then adjust the pelvis support while they're in that position. If you can see here, it's hitting my lumbar area. That doesn't feel good. It's not where it's supposed to be hitting. And notice the distance behind my knees here. I've lost all that seat depth.
So when you first get into the Anthros chair and you want to adjust your pelvis support, you need to lift your pelvis up. You see the difference: back, and then up. Then you want to sit as deeply as possible on the seat. Look at this: now I just have a little space behind my knees. I'm not digging into the cushion. This is the right seat depth for me. Somebody who's taller will sit even deeper into the pelvis support, and they may have a little bit of space behind their knees. That's okay, as long as they're sitting as deeply as possible.
Now, the second mistake that I see is bringing the pelvis support too far forward, thinking that it's supposed to be that way, that it's supposed to be pushing into me. But actually, you only need to bring the pelvis support forward enough to prevent the backwards tilt. It's meant to prevent this movement. So as I adjust it for myself, that's what I'm thinking about. I'm bringing it forward. Now I'm going to try and tilt back. I'm not moving. So this is good for me. And it feels more like a gentle hug instead of a push.
Now, if you're a taller person, you may not even need to bring it forward at all, because you're going to do the test and see if your pelvis can tilt back while you're into the pelvis support. If it doesn't, then don't bring it forward. That way you're maintaining your seat depth, which is going to give you more comfort during the day.
I hope this helps. If you need more help and you're struggling to find that right position, schedule a posture consult. I'll be happy to help you.