Quick answer: Treatment for pes cavus high arch foot treatment follows a stepwise approach: 1) conservative care first (rest, ice, supportive footwear, OTC anti-inflammatories), 2) physical therapy and targeted exercises, 3) in-office treatments (injections, custom orthotics) if conservative fails at 4-6 weeks, 4) surgery for refractory cases. Most patients resolve at step 1 or 2. Call (810) 206-1402.
Medically Reviewed by Dr. Tom Biernacki, DPM, FACFAS — Board-certified podiatrist & foot surgeon | Balance Foot & Ankle | Last updated: May 2026
Quick Answer: Pes Cavus (High Arch Foot)
Pes cavus is an abnormally high longitudinal arch that remains elevated even during weight-bearing. It affects 8–15% of the population, causing increased lateral column loading, reduced shock absorption, and elevated risk of ankle sprains, stress fractures, peroneal tendinopathy, and plantar fasciitis. Unlike flat feet, pes cavus often has a neurological cause (Charcot-Marie-Tooth disease being the most common) that must be identified. Conservative treatment with custom orthotics, calf stretching, and appropriate footwear resolves most symptoms. Surgical correction is reserved for rigid deformity causing functional limitation.
Understanding the High Arch: Structure and Mechanics
A normal foot arch functions as a dynamic spring, absorbing ground reaction forces during heel strike and storing energy for propulsion at toe-off. Pes cavus disrupts this mechanism: the elevated arch creates a rigid, less compressible foot that transmits forces directly to the heel and forefoot rather than distributing them across the arch. This altered biomechanics explains the characteristic injury pattern — lateral ankle instability from the inverted heel position, metatarsal stress fractures from concentrated forefoot loading, and plantar fasciitis from the chronically stretched plantar fascia.
| Condition | Mechanism in Pes Cavus | Prevalence | Treatment Priority |
|---|---|---|---|
| Ankle instability/sprains | Inverted heel creates supination bias | Very high | Lateral wedge orthotic |
| Metatarsal stress fracture | Concentrated 1st/5th MT loading | High | Cushioned orthotic, rest |
| Peroneal tendinopathy | Chronic supination overloads peroneals | High | Strengthening, orthotic |
| Plantar fasciitis | Fascia chronically under tension | Moderate | Stretching, heel cushion |
| Hammer toes | Intrinsic-extrinsic muscle imbalance | Moderate | Toe exercises, padding |
| Calluses (1st/5th MT) | Concentrated plantar pressure | Very high | Offloading orthotic, debridement |
Neurological Causes: When to Investigate
Up to 66% of pes cavus cases in adults have an underlying neurological cause. Charcot-Marie-Tooth (CMT) disease is the most common hereditary motor-sensory neuropathy, present in approximately 1 in 2,500 people, and high arch foot is frequently its presenting podiatric finding. Other neurological causes include spinal cord tumors, tethered cord, Friedreich’s ataxia, and peroneal nerve injury. The key clinical clue is progressive deformity or asymmetry — cavus that worsens over time or is significantly worse on one side requires neurological evaluation. A family history of “high arches” that doesn’t present with symptoms may represent undiagnosed mild CMT.
⚠️ Most Common Mistake: Treating Symptoms Without Addressing Arch Mechanics
The most common and costly mistake with pes cavus is repeatedly treating individual symptoms — the ankle sprain, then the stress fracture, then the peroneal tendinopathy — without ever identifying the high arch as the root cause. Each injury is correctly managed in isolation, but without a lateral wedge orthotic to correct the heel inversion and redistribute plantar pressure, the mechanical fault persists and the next injury follows. Patients with pes cavus who have had more than two ankle sprains or two stress fractures in the same foot need a comprehensive biomechanical evaluation, not another acute injury treatment episode.
Video: High Arch vs. Flat Foot — Understanding Your Foot Type
Dr. Tom explains the difference between high arch and flat foot mechanics and how each affects injury risk:
Book a foot mechanics evaluation → · (810) 206-1402
Conservative Treatment: The Orthotic Approach
Custom orthotics are the cornerstone of pes cavus management. The design differs fundamentally from flat foot orthotics: rather than arch support, pes cavus orthotics provide a lateral heel wedge (valgus posting) to correct the inverted heel position, metatarsal padding to distribute forefoot pressure, and deep heel cup to stabilize the hindfoot. Soft or semi-rigid materials provide shock absorption that the rigid foot structure cannot generate independently.
Footwear selection is equally important. Pes cavus patients need wide toe boxes (the high arch concentrates the forefoot), cushioned midsoles, and stable heel counters. Motion control shoes — designed for flat feet — are contraindicated; they worsen the supination bias. Neutral or cushioned running shoes with custom orthotics are the appropriate combination.
Frequently Asked Questions
Is pes cavus hereditary?
Yes — pes cavus frequently runs in families. Charcot-Marie-Tooth disease, the most common underlying cause, is inherited in autosomal dominant, autosomal recessive, and X-linked patterns. Idiopathic pes cavus (without identified neurological cause) also has a hereditary component. Patients with pes cavus and a family history of “high arches” or walking difficulties should consider genetic counseling and neurological evaluation, particularly if symptoms are progressive.
Can high arches be corrected without surgery?
Flexible pes cavus — where the arch flattens partially under weight — responds well to conservative treatment with orthotics, stretching, and appropriate footwear. Rigid pes cavus, where the arch remains elevated regardless of loading, cannot be corrected conservatively but symptoms can be effectively managed. Surgical correction (calcaneal osteotomy, plantar fascia release, dorsal midfoot osteotomy) is reserved for rigid deformity causing progressive joint damage, pain uncontrolled by conservative measures, or recurrent tendon injury.
What shoes are best for pes cavus?
People with pes cavus need shoes with substantial cushioning, wide toe boxes, and neutral to slight stability (not motion control). Best options include the Brooks Glycerin, HOKA Bondi, New Balance Fresh Foam 1080, and ASICS Gel-Kayano. Avoid minimalist shoes — the complete absence of cushioning is particularly harmful to the rigid, high-arched foot that cannot attenuate ground reaction forces. A podiatrist-fitted custom orthotic inside any of these shoes maximizes support and pressure distribution.
Why do I keep spraining the same ankle?
Recurrent lateral ankle sprains are the classic presentation of unrecognized or undertreated pes cavus. The inverted heel position in pes cavus places the ankle in a chronic supination bias — the same starting position as an inversion sprain mechanism. Each sprain further stretches the lateral ankle ligaments, progressively reducing mechanical stability. Breaking this cycle requires correcting the heel position with a lateral wedge orthotic AND completing a proprioceptive rehabilitation program after each sprain. Without both components, the next sprain is predictable.
When should pes cavus be surgically treated?
Surgical treatment is considered when conservative management fails after 6–12 months, when the deformity is rigid and progressively worsening, when recurrent ankle instability causes functional limitation despite bracing, or when structural joint damage (arthritis) is developing from the abnormal mechanics. Surgery for pes cavus often requires multiple procedures — calcaneal osteotomy, midfoot osteotomy, plantar fascia release, and tendon transfer — performed in a staged or combined approach. Outcomes are generally good for pain relief and stability restoration.
High Arches Causing Problems? Get Evaluated
Dr. Tom Biernacki evaluates pes cavus with full biomechanical analysis and custom orthotic fitting. Howell & Bloomfield Township, MI.
Related Resources
- Custom Orthotics Michigan
- Ankle Strengthening Exercises
- Podiatrist-Recommended Shoes
- Protruding Bone Outside of Foot
In-Office Treatment at Balance Foot & Ankle
If home treatment isn’t providing relief for your foot and ankle conditions, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.
Same-day appointments available. (810) 206-1402
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Dr. Tom Biernacki, DPM is a board-certified foot & ankle surgeon (ABFAS & ABPM) 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 made him one of the most-followed foot & ankle educators on YouTube.
More questions patients ask
What is pes cavus (high arch foot)?
Pes cavus is a structural foot deformity characterized by an abnormally elevated medial longitudinal arch. Unlike flat feet, which involve arch collapse, pes cavus involves a rigid or semi-rigid high arch that fails to adequately absorb ground reaction forces. Approximately 10% of the population has pes cavus, and in around 50% of cases it has an underlying neurological cause such as Charcot-Marie-Tooth disease, which must be ruled out during evaluation.
What causes high arches (pes cavus)?
Pes cavus has both idiopathic (unknown) and neurological causes. Charcot-Marie-Tooth disease is the most common neurological cause — accounting for roughly 50% of cases. Other causes include spinal cord conditions, cerebral palsy, and hereditary spastic paraplegia. Idiopathic pes cavus typically presents bilaterally and symmetrically. Any asymmetric, progressive, or rapidly worsening high arch should be evaluated by a neurologist and podiatrist together.
Do custom orthotics help high arches?
Yes — custom orthotics are the primary evidence-based treatment for painful pes cavus. A randomized controlled trial found custom foot orthoses significantly reduce pain and improve function compared to sham orthotics in pes cavus patients. The mechanism is redistribution of plantar pressure — the orthotic offloads the painful lateral column and metatarsal heads. Off-the-shelf insoles have not demonstrated the same benefit in clinical trials.
What are the warning signs of neurological pes cavus?
Seek urgent neurological evaluation if your high arch is asymmetric (one foot higher than the other), progressively worsening, associated with weakness or tripping, accompanied by hand weakness or sensory changes, or if you develop claw toes that are getting worse. These are red flags for Charcot-Marie-Tooth disease or a spinal cord condition that requires prompt diagnosis.
When should I see a podiatrist for high arch foot pain?
See a podiatrist for pes cavus if you have lateral ankle pain, frequent ankle sprains, pain under the ball of the foot, claw toe deformity, or difficulty finding comfortable shoes. Balance Foot & Ankle in Howell and Bloomfield Township, MI provides full gait analysis, custom orthotics, and surgical consultation when needed — call (810) 206-1402 for a same-day appointment.
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