
Atlas Orthogonal
Our signature precision instrument adjustment — no cracking, no twisting. Dr. St. Louis trained directly under the inventor of the technique, placing him among fewer than 400 board-certified practitioners worldwide.
Atlas Orthogonal (AO) is the cornerstone of everything we do at Atlas Injury to Health — a highly specialized, instrument-based chiropractic technique that corrects misalignment of the atlas vertebra with extraordinary precision and zero manual force. There is no cracking, no twisting, and no sudden movements. Instead, a percussion-wave instrument delivers a gentle, targeted correction you can barely feel, producing measurable realignment that restores nervous system function and allows your body to heal from the inside out.
The Gold Standard in Upper Cervical Correction
The atlas vertebra is the topmost bone in your spine — a small, ring-shaped structure that sits at the junction between your brain and your body. Every signal your brain sends to your organs, muscles, and immune system passes through this critical gateway. When the atlas shifts even a fraction of a degree out of its optimal position, it can compress the brainstem, reduce cerebrospinal fluid flow, and disrupt nerve communication throughout your entire body.
That disruption rarely stays local. Because the nervous system governs virtually every function in the body, a misaligned atlas can produce symptoms that seem completely unrelated to the neck:
- Chronic headaches and migraines
- Neck pain and stiffness
- Vertigo and dizziness
- Jaw pain (TMJ disorders)
- Uneven shoulders or hips
- Sciatica and lower back pain
- Fatigue and brain fog
Correcting this single, foundational misalignment — rather than chasing each symptom in isolation — is what sets Atlas Orthogonal care apart from conventional treatment approaches.
Precision You Can See and Measure
Atlas Orthogonal is built on diagnostic precision that conventional chiropractic care rarely matches. Before any correction is made, Dr. St. Louis takes specialized digital X-rays that measure your atlas misalignment down to fractions of a degree. These images are analyzed to calculate a correction vector that is completely unique to your anatomy — no two adjustments are ever the same.
The percussion-wave instrument then delivers a controlled, reproducible force along that exact vector. The impulse is so gentle that many patients are surprised anything has happened at all. Yet the results are real and verifiable: after your correction, post-adjustment imaging confirms that the atlas has moved into its proper position. This before-and-after imaging protocol means your care is never based on guesswork — it is grounded in objective, measurable data every step of the way.
Trained Under the Inventor of the Technique
Not all Atlas Orthogonal practitioners share the same depth of training. Dr. Michael St. Louis had the distinguished honor of training directly under Dr. Roy Sweat, the creator of the Atlas Orthogonal technique, as well as Dr. Stan Pierce, creator of the Advanced Orthogonal technique. This lineage of mentorship connects your care to the very source of the method's development — decades of research, clinical refinement, and hands-on expertise that simply cannot be replicated by a weekend seminar.
With fewer than 400 board-certified Atlas Orthogonal practitioners worldwide, this level of qualification is exceptionally rare. When you choose Atlas Injury to Health, you are choosing one of the most rigorously trained upper cervical teams in the country.
Our Three-Phase Care Plan
True healing is not a single appointment — it is a structured progression. We guide every patient through three distinct phases:
Phase 1 — Better
We begin with a detailed consultation, thorough examination, and precision X-rays. Once your misalignment is mapped, we initiate a specialized course of Atlas Orthogonal corrections. Most patients begin to notice meaningful improvement within their first few visits as the nervous system starts to function more freely.
Phase 2 — Stronger
As your body moves past the acute phase, the focus shifts to structural remodeling and stabilization. Muscles and ligaments that have adapted to the misaligned position begin to reset. Strength and confidence return as your spine holds its correction for longer periods between visits.
Phase 3 — Healthier
You enter the wellness phase — maintaining the progress you have worked hard to achieve. Periodic maintenance visits keep your atlas in alignment and your nervous system performing at its peak, supporting whole-body health over the long term.
Who Is Atlas Orthogonal For?
Because the adjustment requires no manual force, Atlas Orthogonal is suitable for patients of all ages and health backgrounds, including:
- Infants and children — gentle enough for the most sensitive nervous systems
- Seniors and those with osteoporosis — no twisting or high-velocity thrust
- Post-surgical patients — safe when manual manipulation is contraindicated
- Those with anxiety around traditional chiropractic — no cracking or sudden movements
- Anyone with unresolved chronic symptoms — especially when previous treatments have provided only temporary relief
If you have been living with persistent symptoms and conventional care has not delivered lasting answers, atlas misalignment may be the root cause that has been overlooked. Atlas Orthogonal is designed to address exactly that.
Frequently Asked Questions
Q: Will I feel the adjustment? Is it painful?
The percussion-wave instrument used in Atlas Orthogonal delivers its correction in milliseconds with very light pressure — most patients describe feeling little more than a gentle tap. There is no discomfort associated with the adjustment itself, making it one of the most tolerable forms of chiropractic care available.
Q: How many visits will I need before I see results?
Every patient is different, and we tailor the frequency and length of your care plan to your specific imaging findings and health history. That said, many patients notice improvement within their first few visits during Phase 1. Dr. St. Louis will discuss realistic expectations for your individual case at your initial consultation.
Q: How is Atlas Orthogonal different from regular chiropractic care?
Traditional chiropractic often uses manual manipulation of multiple spinal levels. Atlas Orthogonal focuses exclusively on the atlas — the single vertebra most capable of influencing the entire spine and nervous system — using a precision instrument guided by detailed X-ray measurements. The result is a targeted, reproducible correction rather than a generalized adjustment.
If you are ready to discover what genuine precision wellness feels like, we invite you to schedule a consultation at our Winter Garden or Ocala clinic. Our team at Atlas Injury to Health is here to help you move from pain and uncertainty toward lasting, measurable health.

Key Benefits
- Precision instrument correction — no cracking or twisting
- Measurable results confirmed by pre- and post-adjustment imaging
- Trained under the inventor of the technique
- Gentle enough for all ages, from infants to seniors
- Addresses root-cause nervous system dysfunction
Watch & Learn
Videos related to Atlas Orthogonal.

What is Atlas Orthogonal Chiropractic?
Dr. Michael St. Louis explains Atlas Orthogonal — a precise, instrument-based upper cervical technique that gently corrects the C1 vertebra using sound waves.
Watch →
What are the Traumatic Effects of Birth?
Birth may be your baby's first trauma — atlas misalignment from delivery can cause earaches, torticollis, and colic that most parents never connect to the spine.
Watch →