Knowledge base

Actionable guidance for chronic stiffness warriors

Browse clinician-reviewed routines, nutrition strategies, and mindset shifts. Each article helps you understand symptoms, uncover triggers, and build an informed plan to stay mobile.

44 expert-written articles 41 deep-dive premium guides Always-on updates from the Unstiff care team

Bring Unstiff to your phone

Track stiffness, diet and routines on iOS to discover what works for you.

Download Unstiff on the App Store

Ankylosing Spondylitis

What Is Ankylosing Spondylitis? A Complete Guide for Beginners hero image Free
Updated Sep 26, 2025 EN / TR / DE / FR / ES / IT / RU / AR / PT / PT-BR

What Is Ankylosing Spondylitis? A Complete Guide for Beginners

Ankylosing spondylitis (AS) is a chronic inflammatory disease that primarily affects the spine and the sacroiliac joints in the pelvis. This condition can lead to severe, chronic pain and discomfort. Over time, AS can...

Read article

Nutrition

Can Diet Reduce Inflammation in Ankylosing Spondylitis? hero image Free
Updated Sep 27, 2025 EN / TR / DE / FR / ES / IT / RU / AR / PT / PT-BR

Can Diet Reduce Inflammation in Ankylosing Spondylitis?

Ankylosing spondylitis (AS) is a chronic inflammatory disease primarily affecting the spine and sacroiliac joints, leading to pain and stiffness. As a form of arthritis, it can significantly impact quality of life. Wh...

Read article
How to Eat Out Without Triggering a Flare hero image Premium
Updated Sep 27, 2025 EN / TR / DE / FR / ES / IT / RU / AR / PT / PT-BR

How to Eat Out Without Triggering a Flare

Dining out can be a delightful experience, offering a break from the routine of home cooking and a chance to enjoy diverse cuisines. However, for individuals...

Preview article

Stress

Creating a Low-Stress Daily Routine with AS hero image Premium
Updated Nov 08, 2025 EN / TR / DE / FR / ES / IT / RU / AR / PT / PT-BR

Creating a Low-Stress Daily Routine with AS

Ankylosing spondylitis (AS) is a type of inflammatory arthritis that primarily affects the spine, although other joints can also be involved. This chronic co...

Preview article

Intermittent Fasting (IF)