Tackling Lower Back Pain: Understanding the Role of the SI Joint

July 18, 2023

Lower back pain from workouts? Dive deep on the role of the SI joint and tight hip flexors. Learn quick relief exercises - quad rolling and couch stretching.

If you've been experiencing lower back pain from performing Romanian Deadlifts (RDLs), pay attention - the solution might be simpler than you think! This specific discomfort you're feeling when you bend over, typically located on either side of your tailbone, is one of the easiest types of lower back pain to address. Here's why and how.

The region causing this pain, close to your tailbone, houses the sacroiliac (SI) joint. This joint is where your spine (sacrum) connects to your hip bones (ilium). One of the critical movements at the SI joint is nutation, where the top part of the sacrum moves forward, causing the pelvis to tilt forward (anterior pelvic tilt). Nutation is crucial for providing stability during activities like lifting heavy weights or bending forward.

However, if your pelvis tilts too much due to tight hip flexors, the sacrum can lose its hold on the pelvis. This displacement can cause a strain on the SI joint and manifest as the lower back pain you've been experiencing.

The usual culprits behind this unnecessary pelvic tilt are the hip flexors. When tight, they pull the pelvis forward, resulting in an anterior pelvic tilt. This tilt affects the position of the sacrum, causing the pain at the SI joint.

But here's your quick fix: You'll need a foam roller. Use it to roll out your quads for a minute on each side. This act helps to relieve some tension in your tight hip flexors. After this, do a couch stretch on each side for a minute. This stretch further loosens your hip flexors, helping to correct your pelvic tilt.

Performing this simple routine can help to reduce the anterior pelvic tilt, encourage proper nutation, and help the sacrum maintain its alignment with the pelvis. This alignment can relieve the strain on the SI joint, thus alleviating your lower back pain.

In conclusion, understanding your body's dynamics, particularly the role of the SI joint and the concept of nutation, can guide you to more effective and less painful workouts. It's crucial to remember that looking after your hip flexors can save you from a lot of lower back pain in your fitness journey.

John Williams, B.S., CSCS

Owner, Trainer, Explorer

John is passionate about getting people fit. After work, you can find him reading and watching Formula 1.

Latest Blogs

The Real Benefits of Personal Training: Beyond the Basics

December 23, 2023

Explore the transformative benefits of personal training with a focus on tailored programs, safety, expert guidance, and holistic support. Uncover how individualized fitness strategies can lead to remarkable health and wellness achievements.

Read

Tackling Lower Back Pain: Understanding the Role of the SI Joint

January 12, 2024

Lower back pain from workouts? Dive deep on the role of the SI joint and tight hip flexors. Learn quick relief exercises - quad rolling and couch stretching.

Read

This TINY Glute Muscle Might Be Causing ALL of Your Problems

January 12, 2024

Crushed by hip discomfort? Discover the little-known exercise that targets the hidden piriformis muscle, a common culprit in sciatic pain. Learn to master the Cable Single Leg Hip Abduction and unlock the secret to pain-free movement. Dive in!

Read