Square1 The SQUARE 1 System™ looks at the body totally differently than the conventionalists do.

Conventionalists tend to get caught up in symptoms but the SQUARE 1 System™ gets to the source of why you have pain, tightness, and weakness. SQUARE 1 (formerly called RESET) was developed by Shawn Sherman who holds a degree in Exercise and Sport Science from Penn State University. He has consulted with hundreds of elite athletes from many organizations including: Olympians - US, Canada and Russia; Professionals - Chicago Cubs, White Sox, Blackhawks, Bears, Bulls and Red Stars; Collegians - the Minnesota University Football, Northern Illinois University Football, Valparaiso University Basketball, Oakland University Basketball and the Missouri State University Basketball programs.

12/20/2025

Actual client quote of the day:
“That’s the best I’ve gotten out of a chair in years.”

Oh, and we also unlocked 40°+ more shoulder abduction while taking that pain from 6-7/10 down to pain-free.

All of that within 30 minutes. Magic? No, science + skill. 🔥

12/17/2025

square1system By tom_leith_coaching

Client came in with a hip cam lesion and no extension strength 💥 After just minutes with Square1 and Tom, we boosted ROM, reduced pain, and brought the power back! 🙌🔥 Now it’s all about that full rehab journey — pain gone doesn’t mean game over! Let’s get you STRONG and safe long term 💪✨

Follow for more rehab wins! 👊

12/16/2025

Met a skeptic in ’s Kinesiology 495E class at Penn State — Joshua 👀😂 He asked all the right questions, stayed open, and then… boom 💥 Just minutes with SQUARE 1, and his years of ankle pain? Almost gone! 🙌

Back in ‘08–’09, people thought belief was needed for this to work. Nope! I just sucked at explaining it 😅 Now? RESULTS speak louder than words. 💥

Wanna see how SQUARE 1 can change YOUR game? Drop a comment or follow for more! 👇

12/15/2025

Want to move better? 🚀 Meet Square One — the game changer for your nervous system! It tunes into 3 key senses: joints (proprioception), head (vestibular), and eyes (vision) 👁️🦵✨. This is the secret sauce for EVERYTHING you do—from standing to walking.

Forget just watching form—Square One digs deeper to find what your brain really feels is off. Fix the root cause, not just the pain! 🙅‍♂️💥

With simple focus + light holds, your brain rewires for smoother, easier moves. Ready to LEVEL UP your movement game? 🙌🔥

Tap the link in bio and let’s get moving! 💡

12/14/2025

Rewind back to late Sep when I got a surprise message from the legend Mark “Smelly” Bell (Mark Bell) — and with some quick moves, I flew out to Cali for a 36-hour session that changed everything! ✈️🔥

Mark had been struggling with plantar fasciitis & achilles tendinitis for 8 months. After just ONE SQUARE 1 session, he hit the pavement running — feeling faster, stronger, and pain-free! 🏃‍♂️💨 “My body and heel feel great. I feel awesome!”

Working with someone who lives by “Strength is never weakness” was an honor. Grateful for SQUARE 1’s community pushing growth and movement excellence. “The brain leads, the body follows.”✨ Ready to move better and pain-free? Drop a 👊 if you’re in!

12/13/2025

square1system By tom_leith_coaching

Watch Pro Footballer get a full body MOT with at ⚡️ First session using = BIG improvements! 💪🔥 Don’t miss the longer vid!

🚀👊

12/12/2025

square1system By tom_leith_coaching

Part 1: Watch smash those neural compensations that had physio pro Nour’s shoulder stuck! 💪🌟 Range of motion, strength & pain? ALL improved with at ! 🔥

Wait for Part 2 to see the crazy hip transformation—all in ONE session! 👀🔥

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821 W Burlington, LL-B
Western Springs, IL
60558

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Our Story

CLIENTS...

​Annoyed, frustrated, or scared that you're still in pain and leading a "lesser life" because weeks and months of conventional approaches haven't worked? ​Our Inside-Out Plan can take you out of pain!


  • Step 1: Signaling - restore better internal communication signals so that you move like you were supposed to - without pain!

  • Step 2: Strength - stronger people are more resilient. Our movement pros can get you set up on an in-home, private, or semi-private classical strength development program