Freiberg’s Infraction: Avascular Necrosis of the Metatarsal Head

Quick answer: Freibergs Infraction Metatarsal Head Avascular Necrosis 2 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 Hills practices. Call (810) 206-1402.

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

What Causes Freiberg Infraction

Freiberg’s infraction develops when the blood supply to a metatarsal head is disrupted, causing the bone to die and gradually collapse. The second metatarsal head is affected in 68% of cases because it is typically the longest metatarsal and bears the highest loading forces during push-off.

The exact cause remains debated, but the leading theory combines repetitive microtrauma from activity with a vascular watershed zone at the metatarsal head that makes it vulnerable to ischemia. Adolescent girls are most commonly affected, possibly due to hormonal influences on bone vascularity during growth.

In our clinic, we see Freiberg’s primarily in active teenage female athletes — dancers, runners, and gymnasts — who present with insidious forefoot pain that progressively worsens. Early diagnosis dramatically changes outcomes because intervention before joint collapse preserves the joint surface.

Staging and Progression

Stage 1 (fissure fracture): Subtle crack in the subchondral bone without visible collapse on X-ray. MRI shows bone marrow edema. This is the most treatable stage but hardest to diagnose because X-rays appear nearly normal.

Stage 2 (absorption): The subchondral bone begins to resorb, creating a flattened area on the metatarsal head visible on X-ray. Joint congruity is still maintained, and the articular cartilage may be intact.

Stage 3 (collapse): The metatarsal head flattens and sinks, creating an incongruent joint with loose bodies. Pain becomes constant, and the range of motion decreases significantly.

Stage 4-5 (destruction/arthritis): Complete metatarsal head destruction with loose bodies, secondary arthritis, and widened joint space. At this stage, joint-sparing procedures are no longer possible.

Conservative Treatment: Early Stages

Activity modification and offloading are the foundation of early treatment. Reducing activities that load the forefoot — running, jumping, dancing — allows revascularization and bone healing to occur. A walking boot or stiff-soled shoe reduces metatarsal head loading during the acute phase.

PowerStep Pinnacle insoles with a metatarsal pad placed just proximal to the affected metatarsal head redistribute pressure away from the damaged area. Custom orthotics with a Morton extension and metatarsal relief accommodate the condition for long-term management.

Low-intensity pulsed ultrasound (bone stimulator) and vitamin D optimization support bone healing during the revascularization phase. We monitor staging with serial X-rays every 6-8 weeks to ensure the condition is not progressing despite conservative treatment.

In stages 1-2, aggressive conservative treatment produces good outcomes in the majority of patients, particularly adolescents whose bone healing capacity is excellent.

Surgical Options for Advanced Disease

Joint debridement with dorsal cheilectomy removes loose bodies and osteophytes from the metatarsal head, improving range of motion and reducing pain in stages 2-3 where some healthy articular surface remains.

Osteochondral grafting (OATS procedure) transplants healthy cartilage and bone from a donor site to resurface the damaged metatarsal head. This joint-preserving option works best in younger patients with focal defects.

Interpositional arthroplasty uses a tendon or synthetic spacer to maintain joint space after excising the damaged articular surface. This option preserves some motion while eliminating bone-on-bone contact.

Metatarsal head resection is the salvage procedure for end-stage disease, removing the damaged metatarsal head entirely. While this reliably eliminates pain, it can cause transfer metatarsalgia to adjacent metatarsal heads and should be a last resort.

In-Office Treatment at Balance Foot & Ankle

Our team provides early diagnosis of Freiberg’s infraction with clinical assessment and imaging, conservative management with custom orthotics and offloading protocols, and surgical intervention when conservative treatment cannot halt progression.

Same-day appointments available. Call (810) 206-1402 or visit michiganfootdoctors.com/new-patient-information/ to schedule.

The Most Common Mistake We See

The most common mistake we see is dismissing forefoot pain in teenage athletes as growing pains or simple metatarsalgia. Freiberg’s infraction has a narrow window for effective conservative treatment — once the metatarsal head collapses, the damage is irreversible. Any adolescent with persistent forefoot pain over a specific metatarsal head needs imaging.

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In-Office Treatment at Balance Foot & Ankle

Our team provides sport-specific evaluation and treatment to get you back to your activity safely. We offer same-day X-ray, in-office ultrasound, and custom orthotic fabrication.

Same-day appointments available. Call (810) 206-1402 or book online.

Frequently Asked Questions

What is Freiberg infraction?

Freiberg infraction is avascular necrosis of a metatarsal head, most commonly the second. The bone loses its blood supply, dies, and gradually collapses. It primarily affects adolescent females and causes progressive forefoot pain that worsens with activity.

Can Freiberg infraction heal on its own?

Early-stage Freiberg infraction can heal with aggressive offloading, activity modification, and time. Once the metatarsal head collapses (Stage 3+), the damage is permanent. Early diagnosis and treatment provide the best chance of preserving the joint.

When is surgery needed for Freiberg infraction?

Surgery is needed when conservative treatment fails to halt progression, symptoms significantly limit activity, or the metatarsal head has collapsed with loose body formation. Surgical options range from joint debridement to metatarsal head resection.

Does insurance cover Freiberg infraction treatment?

Yes, insurance covers evaluation, imaging, orthotics when medically necessary, and surgical treatment for Freiberg infraction as a medical condition affecting joint function and mobility.

The Bottom Line

Freiberg’s infraction is rare but devastating when missed. Early diagnosis preserves the metatarsal head and joint function. If your teenager has persistent pain under the ball of the foot that worsens with activity, do not dismiss it — get it evaluated.

Sources

1. Smillie IS. Freiberg’s infraction (Kohler’s second disease). J Bone Joint Surg Br. 1957;39(3):580-588.
2. Carmont MR, et al. Freiberg’s disease: a systematic review. Foot Ankle Surg. 2025;31(1):12-22.

Freiberg’s Disease Treatment in Michigan

Freiberg’s infraction (avascular necrosis of the metatarsal head) causes progressive forefoot pain and joint destruction, especially in young active women. Early diagnosis and proper staging guide treatment from conservative care to surgical joint restoration. Dr. Tom Biernacki provides expert metatarsal care at Balance Foot & Ankle.

Learn About Our Metatarsal Treatment Options | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Carmont MR, et al. Freiberg’s disease: a review of the long-term results of surgical treatment. Journal of Foot and Ankle Surgery. 2009;48(5):528-534.
2. Gauthier G, Elbaz R. Freiberg’s infraction: a subchondral bone fatigue fracture. Clinical Orthopaedics and Related Research. 1979;(142):93-95.
3. Katcherian DA. Treatment of Freiberg’s disease. Orthopedic Clinics of North America. 1994;25(1):69-81.

In-Office Treatment at Balance Foot & Ankle

If home treatment isn’t providing relief for your metatarsalgia, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.

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 Metatarsalgia?

Metatarsalgia 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 metatarsalgia 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 metatarsalgia 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 metatarsalgia 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.

Related Care at Balance Foot & Ankle

Clinical metatars services at our Howell and Bloomfield Hills offices.

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