FOOT & ANKLE SUBLUXATION: THE FOUNDATION OF HUMAN MOVEMENT

Why "Plantar Fasciitis" and Chronic Ankle Instability Are Often Dislocated Bones

By Dr. James Fraser | Doctor of Chiropractic D.C. | Spine Spot Chiropractic | Basalt, CO

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The Human Foot is an architectural marvel. Composed of 26 bones, 33 joints, and over 100 muscles and ligaments, it is the only point of contact between you and the earth. It serves two opposing functions: it must be a Mobile Adaptor(absorbing shock upon landing) and a Rigid Lever (propelling you forward).

This complex machinery is held together by three arches: the Medial, Lateral, and Transverse. When a specific bone in this arch system—most commonly the Talus, Navicular, or Cuboid—subluxates (shifts out of alignment), the foundation of the entire body collapses.

The medical establishment often labels foot pain as "Plantar Fasciitis" or "Tendinitis," prescribing orthotics that act as a crutch. At Spine Spot Chiropractic, we view these diagnoses as descriptions of symptoms, not root causes. The fascia is tight because the arch has collapsed. We treat the bone that dropped, not the tissue that is stretching.

THE ANATOMICAL ANCHOR: THE FALLEN KEYSTONE

Biomechanics of the Tarsal Complex

The foot relies on "Keystone" bones to maintain its arches.

• The Talus (The Ankle Bone): This bone sits on top of the heel (Calcaneus) and connects to the leg (Tibia). It has no muscular attachments. It is held in place solely by bony geometry and ligaments. In almost all chronic ankle issues, the Talus slips Anterior (Forward) and Medial. This jams the front of the ankle, restricting dorsiflexion (toes up).
• The Navicular (The Medial Arch): This boat-shaped bone is the apex of the inner arch. When it drops Inferiorly, the arch flattens ("Pronation"). This puts massive tension on the Plantar Fascia.
• The Cuboid (The Lateral Arch): On the outside of the foot, the Cuboid acts as a pulley for the Peroneus Longus muscle. If it drops, you feel sharp pain on the outside of the foot that mimics a stress fracture.

Fixation vs. Pain: A Foot Subluxation changes how you walk.

• The "Dropped Arch": The Navicular bone physically descends. You can feel a bony bump on the inside of your foot that shouldn't be there.
• The "Ankle Impingement": Because the Talus has slid forward, the tibia crashes into it every time you squat or lunge. This causes a pinching sensation in the front of the ankle.

THE NEUROLOGICAL BLAST RADIUS

The Tarsal Tunnel & Interdigital Nerves

The foot is densely packed with nerves that navigate narrow bony tunnels. Subluxation collapses these tunnels.

The Tarsal Tunnel (The "Carpal Tunnel" of the Foot)

• The Connection: The Tibial Nerve runs behind the inside ankle bone (Medial Malleolus).
• The Dysfunction: Talus/Calcaneus Misalignment.
• The Result: Burning Heel Pain. If the heel bone (Calcaneus) tilts (eversion), it pulls the Flexor Retinaculum tight, crushing the nerve. Patients report burning pain on the bottom of the foot, distinct from the sharp pain of fasciitis.

Morton's Neuroma (The "Pebble in the Shoe")

• The Connection: The Interdigital Nerves run between the Metatarsal heads (toes).
• The Dysfunction: Metatarsal Drop.
• The Result: Electric Toes. If the transverse arch collapses, the 3rd and 4th Metatarsal heads squeeze together, pinching the nerve. This causes numbness in the toes or a sensation like stepping on a marble.

Proprioceptive Failure (Balance)

• The Connection: The ankle ligaments are loaded with mechanoreceptors that tell your brain where you are in space.
• The Dysfunction: Deafferentation.
• The Result: Chronic Sprains. If the ankle joint is fixated, the brain stops receiving accurate balance signals. You become clumsy, rolling the ankle repeatedly because the stabilizing muscles don't fire fast enough.

THE ORGAN SYSTEM CONNECTION

Visceral Ramifications of Foot Displacement

While the foot is distal, its effect on the "Kinetic Chain" is systemic.

• The Knee (ACL/Meniscus): A dropped Navicular (flat foot) forces the Tibia to rotate internally. This causes Valgus Stress at the knee ("Knock Knees"). Chronic foot pronation is the #1 silent killer of the ACL and Meniscus. You cannot fix the knee if the foot is collapsing inward.
• The Low Back (L5 Disc): The foot is the body's primary shock absorber. If the joints are rigid (fixated), shock waves travel up the leg and slam into the L5-S1 disc. We often cure chronic low back pain simply by mobilizing a rigid foot, restoring the body's natural suspension.
• The Lymphatic Pump: The act of walking (heel strike to toe-off) pumps venous blood and lymph back up the leg. A fixated foot ("shuffling gait") leads to Edema (swelling) and varicose veins because the pump is weak.

THE SYMPTOM MATRIX

"How Does It Feel?"

A Foot fixation feels like your foundation is crumbling.

The Hallmark: "First Step" Agony Sharp, stabbing pain in the heel or arch the moment you step out of bed in the morning (Post-Static Dyskinesia).

Associated Symptoms:

• "Plantar Fasciitis": Tearing sensation in the arch.
• Bunions: The big toe drifting inward due to metatarsal splaying.
• Shin Splints: Pain along the shin bone (Tibia) because the muscles are trying to hold up a collapsing arch.
• Achilles Tendonitis: Tightness in the calf because the ankle won't bend properly.
• Neuroma: Burning or numbness between the 3rd and 4th toes.
• Chronic Sprains: Ankle feels "loose" or gives way on uneven ground.

THE SPINE SPOT DIFFERENCE

Diagnosis & Correction: A Master-Craftsman Approach

The foot is intricate. Generic orthotics or "rolling a golf ball" under your foot does not reset a dislocated bone. At Spine Spot, Dr. James Fraser utilizes a mastery of multiple chiropractic techniques to structurally realign the 26 bones, tailoring the care to your specific arch collapse and pain levels.

PHASE 1: THE FORENSIC AUDIT

Before we touch your foot, we must visualize and quantify the biomechanical failure using a comprehensive Neuromusculoskeletal Examination.

• Orthopedic Assessment: We perform Morton’s Squeeze Test to identify neuromas and Drawer Tests to check for torn ligaments. We analyze the Navicular Drop Test to quantify exactly how much your arch collapses when you stand.
• Gait Analysis: We observe your walking pattern. Does your heel strike hard? Does your midfoot collapse? Do you push off the big toe or roll off the outside?
• Static & Motion Palpation: Dr. Fraser palpates every single tarsal bone.
• Navicular: Is it dropped inferiorly?
• Cuboid: Is it rigid and painful to pressure?
• Talus: Can it glide backward, or is it stuck anteriorly?

PHASE 2: THE PRECISION ADJUSTMENT

Dr. Fraser is proficient in four distinct, high-level correction protocols for the Foot and Ankle. Depending on the rigidity of your foot, the presence of acute sprains, or chronic flat feet, we will utilize one of the following:

The Gonstead Correction (The Structural Set)

• Best For: Anterior Talus (Ankle Impingement) and Dropped Navicular/Cuboid.
• The Setup: Prone or Supine on a specialized table.
• The Contact:
• For Anterior Talus: Dr. Fraser interlocks fingers over the Talus dome.
• For Dropped Navicular: A specific thumb contact on the inferior surface.
• The Vector:
• Talus: We impart a high-velocity "snap" A-P (Anterior to Posterior) to seat the bone back into the mortise.
• Navicular/Cuboid: We lift the bones I-S (Inferior to Superior) to physically restore the arch height.
• The Release: Foot adjustments are loud and satisfying. The "crack" indicates the breaking of adhesions. Patients often stand up and say their foot feels "lighter" and the arch feels higher immediately.

Diversified Technique (The Kinetic Mobilization)

• Best For: Rigid ankles, chronic stiffness, and restoring "Joint Play."
• The Setup: Supine. Dr. Fraser grasps the foot with a specific bimanual grip.
• The Contact: Thumbs reinforce the plantar surface of the foot while fingers stabilize the ankle.
• The Vector: A high-velocity, low-amplitude thrust delivered with Long Axis Distraction. We use a specific "pull" or "whip" motion to separate the joint surfaces and realign the Cuboid and Cuneiforms simultaneously.
• The Release: A deep release that breaks up scar tissue in the foot, instantly improving the ability to point and flex the toes.

Thompson Terminal Point (The Extremity Drop)

• Best For: Acute Plantar Fasciitis, heel pain, or patients who cannot tolerate the "pulling" sensation.
• The Setup: Prone (face down) on the Thompson Table with a foot drop piece.
• The Contact: A specific contact on the Calcaneus (Heel) or Cuboid.
• The Vector: Dr. Fraser applies a sharp thrust. The drop piece falls away, utilizing gravity and inertia to drive the heel back or lift the arch bones without manual wrestling.
• The Result: A vibration-based correction that is incredibly gentle yet structurally effective for reducing tension on the plantar fascia.

Activator Methods (The Instrument Precision)

• Best For: Isolating tiny toe bones (phalanges), treating neuromas, or highly sensitive/ticklish feet.
• The Setup: Prone, utilizing isolation tests (foot rotation) to verify Talus vs. Calcaneus vs. Navicular involvement.
• The Contact: The Activator instrument is placed directly on the Tarsal Bone or Metatarsal Head.
• The Vector: The instrument delivers a lightning-fast impulse. It is faster than the body's muscle reflex can guard against. The line of drive is strictly calculated to move the bone into proper alignment (e.g., A-P for Talus, I-S for Navicular).
• The Result: No "cracking." Just a precise neurological reset that communicates directly with the mechanoreceptors to restore balance and proprioception.

PHASE 3: ADJUNCTIVE THERAPIES

• Class IV Cold Laser Therapy: We target the plantar fascia attachment and the Achilles tendon to heal the micro-tears and reduce inflammation rapidly.
• Intrinsic Foot Strengthening: We teach "Toe Yoga" and "Short Foot" exercises to build the muscles that hold the arch up, rather than relying on orthotics forever.

STAND ON SOLID GROUND

Walk Without Pain

If you dread the first step of the morning, if you are taping your feet for every run, or if you have "weak ankles" that always roll, the issue is a subluxated Foot. The foundation is shifting.

Do not let a bone problem stop you from moving.

Restore the arch. Restore the stride.

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Spine Spot Chiropractic – Your Chiropractor in Basalt - Dr. James Fraser | 341 Market St, Basalt, CO 81621 | Call/Text: (970) 924-1015 | Schedule Online or Request an appointment