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Toe Deformities: Bunion, Hammertoe, Mallet Toe, Claw Toe — A Complete Guide

Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.

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Medically Reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatrist, Balance Foot & Ankle Specialists, Michigan. Last updated April 2026.

Understanding Toe Deformities

Toe deformities encompass a spectrum of structural abnormalities that cause pain, difficulty with footwear, and progressively worsening foot function. At Balance Foot & Ankle in Howell and Bloomfield Township, Michigan, we evaluate and treat the full range of toe deformities — from initial conservative management through surgical correction when needed.

Bunions (Hallux Valgus)

A bunion is a deviation of the great toe toward the lesser toes, with a prominent bony bump at the first metatarsophalangeal (MTP) joint. This is not simply excess bone growth — it’s a structural malalignment of the first ray. Bunions are primarily genetic in origin (inherited foot mechanics) with footwear as an aggravating rather than causative factor. Conservative management includes wide footwear, toe spacers, and orthotics to slow progression. Surgical correction through realignment osteotomies (including Lapiplasty 3D bunion correction) corrects the underlying deformity.

Hammertoe

Hammertoe affects the proximal interphalangeal (PIP) joint — the middle joint of the toe — which flexes downward creating an inverted-V appearance. Initially flexible (correctable manually), hammertoes become rigid over time. Flexible hammertoes respond to splinting, toe exercises, and footwear modification. Rigid hammertoes causing pain from shoe friction typically require surgical correction through arthroplasty or fusion of the PIP joint.

Mallet Toe

Mallet toe affects the distal interphalangeal (DIP) joint — the joint closest to the tip of the toe. The toe tip flexes downward, creating a hammer appearance at the end of the digit. Painful corns develop on the tip of the toe from ground pressure. Mallet toes are less common than hammertoes and may respond to DIP joint splinting in flexible cases.

Claw Toe

Claw toes involve both the PIP and DIP joints simultaneously — the toe flexes at both middle joints while the MTP joint extends upward, creating a claw-like appearance. Claw toes are frequently associated with neurological conditions (Charcot-Marie-Tooth disease, peripheral neuropathy) and intrinsic muscle weakness. They cause painful corns at the top of the bent joints and tips of the toes. Surgical management addresses each joint component individually.

When to Seek Evaluation

Any toe deformity causing pain with footwear, limiting shoe selection, developing skin breakdown or ulceration (especially in diabetic patients), or worsening over time warrants podiatric evaluation. Early intervention — when deformities are still flexible — provides the most treatment options and best conservative outcomes. Contact Balance Foot & Ankle at (810) 206-1402 to schedule your evaluation.

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Toe Deformity Causing Pain? Expert Correction Available

Bunions, hammertoes, mallet toes, and claw toes are progressive deformities that worsen without treatment. Dr. Tom Biernacki offers both conservative management and minimally invasive surgical correction to straighten toes and eliminate pain.

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Clinical References

  1. Coughlin MJ. Common causes of pain in the forefoot in adults. Journal of Bone and Joint Surgery. 2000;82(5):781-790.
  2. Nix S, et al. Prevalence of hallux valgus in the general population: a systematic review and meta-analysis. Journal of Foot and Ankle Research. 2010;3:21.
  3. Shirzad K, et al. Lesser toe deformities. Journal of the American Academy of Orthopaedic Surgeons. 2011;19(8):505-514.

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Medical References
  1. Diagnosis and Treatment of Plantar Fasciitis (PubMed / AAFP)
  2. Heel Pain (APMA)
  3. Hallux Valgus (Bunions): Evaluation and Management (PubMed)
  4. Bunions (Mayo Clinic)
This article has been reviewed for medical accuracy by Dr. Tom Biernacki, DPM. References are provided for informational purposes.

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Balance Foot & Ankle surgeons are affiliated with Trinity Health Michigan, Corewell Health, and Henry Ford Health — three of Michigan’s largest health systems.