Reach deep hip flexors others can’t.
From the physical therapist who pioneered the Hip Hook™, The Mark® uniquely targets an overlooked source of lower back & hip pain: deep iliacus & psoas muscle tension others miss. Experience powerful release in just 90 seconds.
Meet the Mark
The Original Hip Hook™ Release Device.
This could be the missing piece, designed to reach the iliacus and help it release in just 90 seconds. Iliacus tension twists the entire core, affecting not just your back and hips, but everything up and down the chain.
Clinical Results, At Home
Engineered by a physical therapist to replace her expertly skilled hands, reaching deep tension, like the iliacus and psoas, that other tools miss.
90-Second Relief
Hold. Breathe. Release. Most users feel a noticeable difference after their very first session.*
Long-term Results
A simple, science-backed habit that relieves tension and restores alignment. Make it part of your routine to unlock lasting results.
Expert Guidance
Includes step-by-step guidance crafted by licensed physical therapists, so you're supported along the way.
Could your Hip Flexors be the Missing Link?
Not all muscles are created equal. Tension in the hip muscles affects the foundation of your alignment to how your body moves and feels.
Could muscle tension be affecting you? Click on any point to learn more.
Validated by Clinicians.
Experienced by Real Users.
External studies and self-reported outcomes show that the Mark reduces pain, eases tension, improves sleep, and provides long-lasting results.
Experienced immediate relief from lower back pain after a 90 second release
Significant decreases in muscle tension in the hip flexors after just one session
Reported better sleep quality on the PSQI due to reduced nighttime low back pain episodes
All participants maintained their improvements after the trial and no side effects were reported
* These results may not apply to your condition. Please consult your physician prior to use and consult our safety instructions for further information.
How the Mark Works
Designed by a Physical Therapist. Built for your hands.
Three simple steps. One precise tool.
Position
Place the Mark in your hip flexor area. The anatomical design and expert guidance make placement easy every time.
Apply Pressure
Lean into the Mark for 90 seconds of sustained pressure. Relax and let your body weight do the work as the iliacus and psoas muscles release.
Feel the Release
Experience the shift as decades of tension dissolve. Pain caused by hip flexor tension will begin to subside within moments.
Mark® vs. Everything Else
If you are like our other customers, you've likely tried these other solutions. Here's how they compare.
Swipe left to see all columns →
Upgrade for Whole Body Relief
The Set is a complete system designed by a physical therapist to release the muscles that matter most.
The Set includes the Mark for iliacus and psoas release, the Orbit for glutes and piriformis, the Range for spine and neck tension, and the Band for functional movement retraining. You'll also receive the bestselling book Tight Hip, Twisted Core to understand the “why” behind your pain and how to fix it.
Together, it's everything you need to release tension, realign your body, and feel like yourself again.
Complete toolkit for whole-body pain relief and alignment
60-day money-back guarantee
Clinical Grade Design
600,000+ Users
90 Second Relief
Meet Christine Annie (Koth), MPT
Meet Christine Koth, MPT
"I discovered the iliacus connection after years of watching patients struggle with treatments that missed hands-on muscle release. The moment I understood how this hidden muscle affects the entire body, everything changed."
25+ years treating patients with persistent pain who tried everything
Master in Physical Therapy and BS in Biochemistry with Honors from University of Wisconsin - Madison
Best-Selling Author on the iliacus and muscle tension
“The Mark isn't just another tool. It's the result of understanding what is really causing each person’s pain. I created it to replicate my fingers because everyone deserves access to real relief, not just those who can afford to go come and see me.”
Frequently Asked Questions
Get answers to the most common questions about the Mark device and iliacus muscle release.
Pain doesn't have to be your normal.
Join thousands using the Mark® to release tension, restore movement, and finally feel aligned again.
Try it risk-free for 60 days. Your body will know.
Real Stories from
Real People
Thousands of people have found relief with Aletha. Here are just a few of their stories.
Rob M.
Before the Mark:
After the Mark:
Natalie C.
David K.
Tony W.
John B.
Michelle H.
Gary P.