Medically reviewed by Dr. Tom Biernacki, DPM
Board-certified podiatric surgeon | Balance Foot & Ankle, Howell & Bloomfield Hills, MI
Last reviewed: May 2026
Quick answer: Charcot Marie Tooth Hereditary Neuropathy Foot Michigan Podiatrist can significantly impact your daily life and mobility. Our Michigan podiatrists provide expert evaluation and evidence-based treatment — from conservative care to minimally invasive procedures — to relieve your symptoms and restore function. Same-day appointments available in Howell and Bloomfield Hills, MI.
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| CMT Type | Gene / Mutation | NCS Pattern | Foot Deformity | Age of Onset |
|---|---|---|---|---|
| CMT1A (most common, 70% of CMT1) | PMP22 duplication (chr 17p11) | Demyelinating; MCV <38 m/s; uniformly slow | High arch (pes cavus); hammer toes; clawing; peroneal weakness | Childhood to early teens; slowly progressive |
| CMT1B | MPZ mutation | Demyelinating; severe; may be earlier onset | Similar to CMT1A; often more severe | Infancy to early childhood; variable severity |
| CMT2A (most common axonal) | MFN2 mutation | Axonal; normal or near-normal MCV; reduced CMAP amplitude | Foot drop; peroneal weakness; less cavus than CMT1 | First-second decade; more rapidly progressive |
| HNPP (hereditary neuropathy pressure palsies) | PMP22 deletion | Focal slowing at compression sites; tomaculous myelin | No fixed deformity; recurrent compressive palsies | Any age; triggered by minor compression |
| CMTX (X-linked) | GJB1 (connexin 32) | Intermediate; males more severely affected | Moderate cavovarus; variable phenotype | Childhood; males earlier and more severe |
| Intervention | Indication | Technique | Goal | Outcome |
|---|---|---|---|---|
| AFO / UCBL Bracing | Foot drop; mild cavovarus; balance and gait impairment | Carbon fiber dynamic AFO or solid AFO; custom molded | Prevent falls; normalize gait; functional independence | Immediate improvement in gait; lifelong use expected |
| Custom Orthotics | Flexible cavovarus; metatarsalgia; forefoot calluses | Lateral forefoot post; accommodative metatarsal pad; intrinsic wedge | Redistribute plantar pressure; reduce forefoot callus | 70–80% reduction in forefoot pain and callus recurrence |
| Calcaneal Osteotomy (Dwyer / Lateral Slide) | Rigid hindfoot varus; symptomatic cavovarus | Lateral wedge calcaneal osteotomy corrects heel varus | Neutral heel alignment; reduce peroneal overload | 85–90% improvement in hindfoot alignment; reduces ankle instability |
| 1st Metatarsal Dorsiflexion Osteotomy | Plantarflexed 1st ray contributing to cavus | Dorsiflexion osteotomy of 1st MT base; corrects forefoot plantar flexion | Reduce forefoot callus; improve gait mechanics | 75–85% improvement in forefoot pressure distribution |
| PTT Transfer + Osteotomies | Foot drop + rigid cavovarus deformity | PTT transfer through IOM + calcaneal osteotomy ± 1st MT osteotomy | Comprehensive correction of drop foot + deformity | 80–90% functional improvement in combined procedures |
| Triple Arthrodesis | Severe rigid cavovarus; end-stage; pain; failed conservative | Fuse subtalar + talonavicular + calcaneocuboid joints | Create stable plantigrade foot | 85–90% pain relief; permanent correction; adjacent joint OA long-term |
Quick answer: Charcot Marie Tooth Hereditary Neuropathy Foot Michigan Podiatrist is a common foot/ankle topic that affects many patients. The 2026 evidence-based approach combines proper diagnosis, conservative-first treatment, and escalation only when needed. We treat this regularly at our Howell and Bloomfield Township practices. Call (810) 206-1402.
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Medically Reviewed | Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle, Michigan
Quick Answer:
Quick Answer: Charcot-Marie-Tooth disease (CMT) is the most common inherited peripheral neuropathy — producing progressive cavus foot deformity (high arch, varus heel, hammertoes, drop foot) as intrinsic foot muscle weakness allows extrinsic muscles to dominate foot position. CMT foot management is lifelong: custom AFOs for drop foot and ankle instability, custom molded orthotics for cavus deformity, and surgical reconstruction (plantar fascia release, posterior tibial tendon transfer, calcaneal osteotomy, joint fusions) for progressive deformity failing bracing. Early intervention prevents rigid deformity.
Watch: Peripheral Neuropathy Home Remedies [Leg & Foot Nerve Pain Treatment] — MichiganFootDoctors YouTube
Charcot-Marie-Tooth disease (CMT) — the most common hereditary peripheral neuropathy, affecting approximately 1 in 2,500 people — produces a characteristic progressive foot deformity as the intrinsic foot and lower leg muscles weaken, allowing the extrinsic muscles (tibialis posterior, peroneus longus) to dominate foot position. The result: progressive cavus foot with high arch, varus heel, claw toes (hammertoes with MTPJ hyperextension), and eventually drop foot as tibialis anterior weakness develops. At Balance Foot & Ankle PLLC, Dr. Tom Biernacki provides lifelong CMT foot management from bracing and orthotics to complex reconstructive surgery.
Understanding CMT Foot Deformity
CMT weakens intrinsic foot muscles (interossei, lumbricals) that maintain toe position and medial arch alignment, and lower leg muscles (peroneus brevis, tibialis anterior) that balance foot position during gait. The relative preservation of peroneus longus (which plantarflexes the 1st ray) and tibialis posterior (which inverts the foot) over their antagonists creates the CMT foot: plantar-flexed 1st ray (forefoot equinus), varus heel, claw toe deformity, and eventual drop foot. The Coleman block test distinguishes flexible forefoot-driven varus (correctable with 1st ray offloading) from fixed hindfoot varus — guiding surgical planning.
Bracing and Orthotics for CMT
Custom Ankle-Foot Orthosis (AFO): The foundation of CMT foot management — controls drop foot during swing phase, provides ankle stability during stance, and limits progressive equinovarus deformity. Solid AFO for severe drop foot; articulated AFO for milder weakness with some preserved dorsiflexion. Custom molded foot orthotics with lateral heel posting for flexible cavus varus — accommodates forefoot equinus and reduces lateral ankle instability. Custom therapeutic footwear: Extra-depth shoes to accommodate foot deformity, claw toes, and AFO volume.
Surgical Reconstruction for CMT Foot
Surgical intervention is indicated for progressive deformity failing bracing. Key procedures: Plantar fascia release — reduces the mechanical tether producing forefoot cavus. Tibialis posterior transfer — transfers the deforming tibialis posterior tendon through the interosseous membrane to the dorsum to produce active dorsiflexion (or at least reduce deforming force). Calcaneal osteotomy — corrects varus heel alignment in flexible hindfoot deformity (Dwyer osteotomy or lateral closing wedge). Peroneus longus-to-brevis transfer — eliminates the deforming plantar-flexion force on the 1st ray. 1st MTPJ or MTPJ fusion for rigid claw toe deformities. Triple arthrodesis for rigid fixed hindfoot varus — the definitive reconstruction for severe rigid CMT cavovarus deformity.
Dr. Tom's Product Recommendations
Ossur AFO Drop Foot Brace
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Lightweight carbon fiber ankle-foot orthosis for drop foot — recommended as an OTC starting option for CMT patients with mild drop foot pending custom AFO fabrication.
Dr. Tom says: “My podiatrist recommended this AFO brace for my CMT drop foot and it prevented tripping significantly during my work day.”
Charcot-Marie-Tooth drop foot, CMT ankle support, hereditary neuropathy AFO
Custom molded AFO provides superior fit and control for established CMT deformity — OTC brace is a temporary measure
Disclosure: We earn a commission at no extra cost to you.
New Balance 928v3 Extra Depth Walking Shoe
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Extra-depth therapeutic walking shoe — accommodates custom AFO, claw toe deformities, and wide foot from CMT-related foot deformity, recommended by podiatrists for hereditary neuropathy patients.
Dr. Tom says: “My podiatrist recommended extra-depth shoes for my CMT foot deformity and they are the first shoes that accommodate my AFO and claw toes comfortably.”
CMT foot deformity shoe, AFO-compatible extra-depth shoe, claw toe accommodative footwear
Verify AFO fits before purchasing — bring AFO to shoe fitting
Disclosure: We earn a commission at no extra cost to you.
✅ Pros / Benefits
- Custom AFO controls drop foot and prevents progressive equinovarus during daily activities
- Surgical reconstruction (tibialis posterior transfer, calcaneal osteotomy) corrects deformity before rigidity
- Coleman block test distinguishes flexible from rigid varus — guides surgical planning
- Lifelong multidisciplinary management with neurology and physical therapy
❌ Cons / Risks
- CMT is progressive — bracing and surgery manage deformity but do not stop neuropathic progression
- Triple arthrodesis for rigid cavovarus eliminates hindfoot motion permanently
- AFO compliance is lifelong — patients must accept long-term device dependence
Dr. Tom Biernacki’s Recommendation
CMT is one of the most complex, rewarding, and longitudinal relationships I have with patients — because I’m managing their foot deformity across decades of progression. The surgical timing is everything in CMT: intervening with tendon transfers and calcaneal osteotomy while the deformity is still flexible produces excellent outcomes. Waiting until the foot is rigidly fixed in varus and equinus requires triple arthrodesis, which works but is a bigger operation. The CMT foot is a fascinating biomechanical problem that I take very seriously.
— Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle
Frequently Asked Questions
What foot problems does Charcot-Marie-Tooth cause?
CMT causes progressive foot deformity from peripheral motor neuropathy: high arch (cavus foot) as intrinsic muscles weaken and extrinsic muscles dominate foot position, varus heel (foot rolls inward), claw toe deformities (toes hyperextend at the ball of the foot and flex at the toe joints), and drop foot as tibialis anterior weakness develops. Sensory neuropathy causes reduced pain and vibration sensation, increasing injury risk. Foot deformity is progressive — intervention with orthotics and bracing early prevents more severe rigid deformity requiring complex reconstruction.
What is a cavus foot?
Cavus foot is a high-arched foot deformity — the medial longitudinal arch is abnormally elevated, creating increased forefoot loading, reduced shock absorption, and lateral ankle instability. CMT is the most common neurological cause of adult-onset cavus foot. Other causes include spinal cord disorders, polio, and idiopathic cases. Cavus foot is associated with lateral ankle sprains (varus heel instability), stress fractures (concentrated forefoot and heel loading), metatarsalgia, and plantar fasciitis. Flexible cavus responds to orthotics; rigid cavus or progressive neurological cavus requires surgical correction.
Can CMT foot deformity be corrected with surgery?
Yes — surgical correction of CMT foot deformity is effective when performed at the right stage of deformity. Flexible CMT cavovarus (early to moderate) is treated with combination procedures: plantar fascia release, tibialis posterior transfer, peroneus longus-to-brevis transfer, and calcaneal osteotomy. These procedures correct deformity while preserving motion. Rigid CMT cavovarus with fixed hindfoot varus requires triple arthrodesis — fusion of the subtalar, talonavicular, and calcaneocuboid joints — to correct position. Surgery is planned after thorough evaluation of the Coleman block test, neurological progression status, and CT/MRI characterization.
What is the best AFO for CMT drop foot?
The best AFO for CMT drop foot depends on the degree of weakness and deformity. For mild drop foot with preserved ankle push-off: a lightweight carbon fiber dynamic AFO allows plantarflexion while controlling swing-phase drop. For moderate drop foot with equinovarus: a solid posterior-leaf spring AFO or custom hinged AFO with varus correction. For severe drop foot with rigid equinovarus: a solid custom molded AFO fabricated to the CMT foot deformity. Custom molded AFOs from a certified orthotist provide superior fit and control compared to off-the-shelf braces for established CMT deformity.
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Frequently Asked Questions
When should I see a podiatrist?
If symptoms persist past 2 weeks, affect your normal activity, or are accompanied by red-flag symptoms (warmth, redness, swelling, inability to bear weight).
What does treatment cost?
Most diagnostic visits and conservative treatments are covered by Medicare and major insurers. Out-of-pocket costs vary by your specific plan.
How quickly can I get an appointment?
Most non-urgent cases see us within 5 business days. Urgent cases (sudden pain, possible fracture) typically same or next business day.
What is Neuropathy?
Neuropathy is a common foot/ankle condition that affects mobility and quality of life. Understanding the underlying cause is the first step in successful treatment. Our podiatrists at Balance Foot & Ankle perform a hands-on biomechanical exam, review your activity history, and use diagnostic imaging when appropriate to identify the root cause—not just treat the symptom. Many patients have been told to “rest and ice” without a deeper diagnostic workup; our approach is different.
Symptoms and warning signs
Common signs of neuropathy include pain that worsens with activity, morning stiffness, swelling, tenderness when palpated, and difficulty bearing weight. If you experience sudden severe pain, inability to walk, visible deformity, numbness or color change, contact our office the same day or visit urgent care—these can signal a more serious injury such as a fracture, tendon rupture, or vascular compromise. Diabetics with any foot wound should seek same-day care.
Conservative treatment options
Most cases of neuropathy respond to non-surgical care: structured rest, supportive footwear changes, custom orthotics, targeted stretching and strengthening protocols, anti-inflammatory medications when medically appropriate, and in-office procedures such as ultrasound-guided injections. We also offer advanced therapies including MLS laser therapy, EPAT/shockwave, regenerative injections, and image-guided procedures. Treatment is sequenced from least invasive to most invasive, and we explain the rationale at every step.
When is surgery considered?
Surgery is reserved for cases that fail 3-6 months of well-structured conservative care, when there is structural pathology (severe deformity, complete tear, advanced arthritis), or when imaging shows damage that will not heal without intervention. Our surgeons have performed 3,000+ foot and ankle procedures and prioritize minimally-invasive techniques whenever appropriate. We discuss recovery timelines, return-to-activity milestones, and realistic outcome expectations before any procedure is scheduled.
Recovery timeline and prevention
Recovery from neuropathy varies based on severity and chosen treatment path. Conservative cases often improve within 4-8 weeks with consistent adherence to the protocol. Post-procedural recovery may range from a few days (in-office procedures) to several months (reconstructive surgery). Long-term prevention involves footwear assessment, activity modification, structured strengthening, and regular check-ins with your podiatrist if you have a history of recurrence. We provide written home-exercise plans and digital follow-up support.
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In-Office Treatment at Balance Foot & Ankle
If home treatment isn’t providing relief for your neuropathy, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.
Related Conditions
Most common foot condition we treat
Progressive deformity — early care prevents surgery
Root cause of many downstream foot conditions
Forefoot burning and electric pain between toes
American Podiatric Medical Association: Neuropathy
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Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.
Frequently Asked Questions
Can a podiatrist help with neuropathy?
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