Freiberg’s Infraction: Avascular Necrosis of the Metatarsal Head in Active Adolescents

Quick answer: Freibergs Infraction Avascular Necrosis Metatarsal Head Adolescents 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.

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

What Is Freiberg’s Infraction and Who Gets It?

Freiberg’s infraction is osteonecrosis (avascular necrosis) of a metatarsal head—the rounded bone end that forms the ball-of-foot joint with the toe. The second metatarsal head is affected in 68% of cases, followed by the third (27%) and fourth (5%). Loss of blood supply causes the bone to weaken, collapse, and fragment, ultimately damaging the joint surface and causing chronic pain.

The condition primarily affects adolescent females ages 13-18 during periods of rapid growth, though it can present in adults. The second metatarsal head is most vulnerable because it is typically the longest metatarsal, bearing the greatest load during push-off, and its blood supply is more tenuous than other metatarsals. Repetitive microtrauma during activities like running, jumping, and dancing disrupts the blood supply to the developing bone.

A 2024 Journal of Pediatric Orthopaedics study estimated Freiberg’s infraction prevalence at 0.3-0.5% of the adolescent population, with female-to-male ratio of 4:1. Risk factors include high-impact sports participation, long second metatarsal anatomy, wearing high-heeled shoes, and possibly hormonal factors related to puberty.

Stages and Symptoms of Freiberg’s Infraction

Freiberg’s progresses through five Smillie classification stages: Stage I shows initial ischemia and fissure fracture of the epiphysis. Stage II demonstrates absorption of central bone with preservation of the peripheral rim. Stage III shows further collapse with sinking of the central portion. Stage IV involves loose body formation from fragmented articular cartilage. Stage V represents end-stage flattening with arthritis of the MTP joint.

Early symptoms include vague forefoot pain localized under the second (or third) metatarsal head that worsens with walking, running, and wearing shoes with thin soles. Swelling and tenderness over the affected MTP joint develop as the condition progresses. Pain with toe range of motion, particularly dorsiflexion, is characteristic. Some patients develop a limp or avoid push-off on the affected foot.

The condition may be incidentally discovered on X-rays obtained for other reasons, particularly in early stages before significant symptoms develop. Dr. Biernacki obtains weight-bearing foot radiographs as the initial diagnostic study, with MRI reserved for early cases where X-rays appear normal but clinical suspicion is high. MRI detects bone marrow edema—the earliest sign of osteonecrosis—before structural changes appear on X-ray.

Conservative Treatment: Protecting the Healing Joint

Early-stage Freiberg’s (Stages I-II) responds well to conservative management focused on reducing metatarsal head loading and allowing bone revascularization. Activity modification—temporary cessation of high-impact activities, running, and jumping—removes the repetitive trauma that drives disease progression. Immobilization in a CAM boot for 4-6 weeks protects the healing bone during the acute phase.

Custom orthotics with a metatarsal bar or Morton’s extension offload the affected metatarsal head by redistributing weight to adjacent metatarsals and the arch. Rocker-bottom shoe modifications reduce the push-off demands on the forefoot. These interventions provide long-term symptom management and protect the joint surface from further collapse.

NSAIDs manage acute pain and inflammation. Physical therapy maintains toe and ankle mobility during the immobilization phase and rebuilds forefoot strength during recovery. Corticosteroid injection into the MTP joint may provide temporary relief but should be used sparingly to avoid further compromising the weakened bone. Conservative treatment successfully manages symptoms in many patients, particularly those diagnosed in early stages.

Surgical Options When Conservative Treatment Fails

Joint debridement and drilling (Stage II-III) involves arthroscopic or open removal of damaged cartilage fragments and drilling of the necrotic bone to stimulate blood vessel ingrowth and healing. This procedure preserves the joint while promoting revascularization. Recovery requires 4-6 weeks of protected weight-bearing.

Dorsal closing wedge osteotomy (Stage III-IV) rotates the collapsed metatarsal head to bring intact plantar cartilage into the weight-bearing position. This clever technique salvages the joint by placing healthy cartilage where the damaged cartilage was, extending the functional life of the joint. It is the preferred salvage procedure for moderate-stage disease.

Interpositional arthroplasty with capsular or tendon tissue, or Weil shortening osteotomy to decompress the joint, addresses Stage IV-V disease. In severe end-stage cases with complete metatarsal head destruction, metatarsal head resection or replacement with a spacer may be necessary. Dr. Biernacki stages treatment based on the Smillie classification, always pursuing the least invasive option that addresses the current disease stage.

Long-Term Outlook and Joint Preservation

The prognosis for Freiberg’s infraction depends heavily on the stage at diagnosis and the effectiveness of early treatment. Patients diagnosed in Stages I-II who adhere to activity modification and orthotic treatment have excellent long-term outcomes with joint preservation. Those diagnosed in Stages III-IV may require surgical intervention but often maintain functional, pain-controlled joints.

Even with successful treatment, long-term monitoring is recommended because the affected joint may develop accelerated degenerative changes over decades. Annual clinical evaluation and periodic radiographs track joint health. Custom orthotics with metatarsal support should be worn long-term to protect the vulnerable metatarsal head from excessive loading.

Young athletes diagnosed with Freiberg’s can typically return to sports after appropriate treatment and recovery, though modifications to reduce forefoot impact loading may be recommended. Some sports are more compatible with the condition than others—swimming, cycling, and upper body activities place minimal stress on the affected joint.

When to Seek Evaluation for Forefoot Pain

Adolescent girls with persistent forefoot pain localized to the second or third metatarsal head should be evaluated for Freiberg’s infraction, particularly during growth spurts and in the context of high-impact sports participation. Early diagnosis—before significant collapse occurs—provides the best opportunity for joint preservation.

Adults with chronic second MTP joint pain that hasn’t responded to standard metatarsalgia treatments should also be evaluated for late-presenting Freiberg’s disease. Some adults are diagnosed decades after the initial osteonecrotic event, presenting with established joint changes and chronic pain.

At Balance Foot & Ankle, Dr. Biernacki provides rapid diagnostic evaluation including weight-bearing radiographs and MRI interpretation at both Howell and Bloomfield Township offices. Prompt diagnosis guides stage-appropriate treatment that preserves the joint and maintains pain-free forefoot function.

The Most Common Mistake We See

The biggest mistake is dismissing persistent metatarsal head pain in an adolescent as ‘growing pains’ or simple metatarsalgia. Freiberg’s infraction is a progressive condition where early intervention dramatically improves outcomes. A simple X-ray can reveal the characteristic metatarsal head flattening, and MRI detects the condition even before X-ray changes appear. Early diagnosis can save the joint; late diagnosis often requires surgical salvage.

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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

Can Freiberg’s infraction heal completely?

Early-stage Freiberg’s (Stages I-II) can heal with revascularization when properly treated with activity modification and offloading. Later stages involve permanent joint surface changes but can be managed to maintain functional, pain-controlled joints. Early diagnosis is key to the best outcomes.

Is Freiberg’s infraction serious?

While not life-threatening, Freiberg’s can cause chronic forefoot pain and joint damage if untreated. Progressive stages lead to metatarsal head collapse and arthritis. Early treatment preserves the joint surface and prevents the need for complex surgical reconstruction later.

Can you play sports with Freiberg’s infraction?

Most athletes can return to sports after appropriate treatment. Low-impact activities can often continue with orthotic support. High-impact sports may need temporary restriction during the healing phase. Long-term, activity modifications and custom orthotics allow continued athletic participation.

How is Freiberg’s infraction diagnosed?

Diagnosis begins with clinical examination showing localized metatarsal head tenderness and painful limited joint motion. Weight-bearing X-rays show metatarsal head flattening in established cases. MRI detects early bone marrow changes before X-ray abnormalities appear, enabling earlier treatment.

The Bottom Line

Freiberg’s infraction is a treatable cause of forefoot pain that responds best to early diagnosis and stage-appropriate management. Conservative treatment preserves the joint in early stages, while surgical options effectively salvage function in advanced cases. Adolescents with persistent metatarsal head pain deserve prompt evaluation to protect their developing joints.

Sources

1. Journal of Pediatric Orthopaedics 2024 — Freiberg’s infraction epidemiology and staging outcomes
2. Foot & Ankle International 2025 — Dorsal closing wedge osteotomy for Freiberg’s disease
3. Foot & Ankle Clinics 2024 — Avascular necrosis of the metatarsal head management algorithm

Freiberg’s Disease Treatment at Balance Foot & Ankle

Freiberg’s infraction — avascular necrosis of the metatarsal head — causes forefoot pain especially in adolescent girls and young women. Dr. Tom Biernacki provides early diagnosis and treatment to prevent permanent joint damage.

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

Clinical References

1. Gauthier G, Elbaz R. “Freiberg’s infraction: a subchondral bone fatigue fracture.” Clin Orthop Relat Res. 1979;(142):93-95.
2. Smillie IS. “Freiberg’s infraction (Kohler’s second disease).” J Bone Joint Surg Br. 1957;39-B(3):580-587.
3. Carmont MR, et al. “Freiberg’s disease: a review of the literature.” Foot. 2009;19(1):52-56.

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.