Medically reviewed by Dr. Tom Biernacki, DPM
Board-certified podiatric surgeon | Balance Foot & Ankle, Howell & Bloomfield Hills, MI
Last reviewed: May 2026
Balance Foot & Ankle offers same-day appointments for urgent foot and ankle conditions across Southeast Michigan — but the most important factor in outcomes isn’t getting seen quickly. Our podiatrists explain what to do in the first 24-48 hours before your appointment that most patients skip entirely. Call (810) 206-1402 — expert podiatric care across Michigan.
Medically Reviewed | Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle, Michigan
Understanding Sesamoid Injuries
The sesamoids are two small bones — roughly the size of jellybeans — located beneath the first metatarsal head (ball of the foot behind the great toe), embedded within the flexor hallucis brevis tendon. They function as the foot’s pulley system for the great toe, increasing the mechanical advantage of the FHB tendon and protecting the tendon from the high-pressure forces that occur during push-off. With every step, forces across the hallucal sesamoids reach 2–3 times body weight — and during running, jumping, or dancing, these forces can reach 8 times body weight. This mechanical reality explains why sesamoid injuries are common in athletes and high-demand forefoot loading activities.
Three sesamoid injury patterns require distinct management: sesamoiditis (inflammatory overuse without structural fracture — the most common presentation), sesamoid stress fracture (repetitive loading exceeding bone remodeling capacity — must be distinguished from a normal anatomic variant called bipartite sesamoid), and avascular necrosis (osteonecrosis from disrupted blood supply to the sesamoid, causing progressive bone collapse). Accurate diagnosis requires weight-bearing X-rays, axial sesamoid views, and frequently MRI to characterize bone marrow edema and differentiate stress fracture from bipartite variant.
Conservative Treatment for Sesamoid Injuries
Sesamoid injury management begins with aggressive offloading: a controlled ankle motion (CAM) boot or post-operative shoe with a sesamoid relief pad eliminates the forefoot loading forces that perpetuate sesamoid stress. Non-weight-bearing may be indicated for acute sesamoid stress fractures with significant MRI bone marrow edema. Once pain has substantially reduced (typically 4–8 weeks), transition to regular footwear with a custom orthotic featuring a sesamoid cut-out — a relief excavated beneath the sesamoid region to eliminate direct plantar pressure. Sesamoid cut-out orthotics are the cornerstone of sesamoid injury management, providing long-term mechanical protection during return to activity.
Corticosteroid injection to the sesamoid bursa provides 4–8 weeks of anti-inflammatory relief for persistent sesamoiditis — useful for athletes requiring return to competition during a conservative treatment period. Sesamoiditis responds well to comprehensive conservative management in most cases, with 80% resolution at 6 months with appropriate treatment.
Surgical Treatment — Sesamoidectomy
Sesamoidectomy (surgical removal of the affected sesamoid) is indicated for sesamoid avascular necrosis with bone collapse, non-healing sesamoid fracture despite adequate conservative trial, and chronic sesamoiditis unresponsive to 6+ months of conservative treatment. Dr. Biernacki preserves the peroneal (lateral/fibular) sesamoid whenever possible — the peroneal sesamoid is critical for hallux abductory function and hallux valgus prevention — and excises the tibial (medial) sesamoid which is the more commonly injured sesamoid and more expendable. Post-sesamoidectomy rehabilitation requires 6–8 weeks of protected weight-bearing, followed by progressive return to full activity over 3–6 months.
Dr. Tom's Product Recommendations
Aircast AirSelect Walker Boot
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Pneumatic walking boot for sesamoid injury offloading — eliminates forefoot loading forces during the critical early treatment phase of sesamoiditis and sesamoid stress fracture recovery.
Dr. Tom says: “My podiatrist prescribed the walking boot for my sesamoid stress fracture — six weeks of offloading and the pain resolved significantly.”
Acute sesamoid stress fracture, severe sesamoiditis offloading, early treatment phase
Patients cleared for orthotic-protected shoe ambulation after initial offloading phase
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Silipos Metatarsal Pad Cushion (Sesamoid Relief)
⭐ Highly Rated
Gel metatarsal pad that can be positioned proximal to the sesamoids to redistribute forefoot pressure — the OTC equivalent of the sesamoid cut-out used in custom orthotics for sesamoid injury management.
Dr. Tom says: “My foot doctor showed me how to place the metatarsal pad just behind my sesamoid — the pressure relief in my shoe made walking much more comfortable.”
Sesamoid pressure relief, between-visit sesamoiditis management, shoe pad sesamoid offloading
Custom orthotic sesamoid cut-out — OTC pads provide approximate relief; custom orthotics provide precise sesamoid unloading
Disclosure: We earn a commission at no extra cost to you.
Hoka One One Bondi 8 (Maximum Cushion Running Shoe)
⭐ Highly Rated
Maximum-cushion running shoe with wide forefoot — reduces sesamoid impact forces during return-to-running after sesamoiditis treatment, allowing gradual reintroduction of running volume with reduced forefoot pressure.
Dr. Tom says: “My podiatrist recommended the HOKA Bondi for my sesamoid return to running — the extra cushioning and wider forefoot let me run without flaring up the sesamoid.”
Return to running after sesamoid injury, forefoot cushion, sesamoiditis running management
Acute sesamoid injury where all running is contraindicated — boot or shoe offloading required first
Disclosure: We earn a commission at no extra cost to you.
✅ Pros / Benefits
- 80% of sesamoiditis cases resolve with appropriate conservative management at 6 months
- Custom orthotics with sesamoid cut-outs provide mechanical protection enabling return to full activity
- Tibial sesamoidectomy reliably resolves pain in cases unresponsive to conservative treatment
- MRI diagnosis precisely characterizes sesamoid pathology — distinguishing stress fracture from bipartite variant and avascular necrosis
❌ Cons / Risks
- Sesamoid stress fracture healing may require 3–6 months of consistent offloading — longer than typical stress fractures
- Avascular necrosis progresses to bone collapse without surgical intervention — early recognition is critical
- Sesamoidectomy permanently removes the sesamoid — great toe biomechanics are altered and require rehabilitation
- Return to high-demand sport (dance, running, jumping) after sesamoid injury requires extended rehabilitation
Dr. Tom Biernacki’s Recommendation
Sesamoid injuries are some of the most frustrating for athletes because they sit right at the push-off point — you can’t run, you can’t jump, and every step hurts. Diagnosis is critical: a bipartite sesamoid on X-ray looks like a fracture but is completely normal. MRI is the gold standard to see bone marrow edema and confirm true stress fracture or avascular necrosis. For sesamoiditis, consistent offloading and a good sesamoid cut-out orthotic resolves the vast majority. When we get to sesamoidectomy, we’re precise about which one we remove — the tibial is expendable; the peroneal is not.
— Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle
Frequently Asked Questions
What is sesamoiditis?
Sesamoiditis is inflammation of the hallucal sesamoids — the two small bones beneath the ball of the foot behind the great toe — from repetitive overuse without fracture. It causes pain directly beneath the first metatarsal head that is worse with push-off, running, dancing, and high-heel walking. Sesamoiditis is common in runners, dancers, and athletes in sports requiring repetitive forefoot loading. Most cases resolve with offloading and orthotics within 3–6 months.
How do I know if my sesamoid is fractured?
Sesamoid stress fracture presents similarly to sesamoiditis — pain beneath the ball of the foot — but typically with more severe focal tenderness directly over the affected sesamoid and possibly swelling. X-ray shows irregular, sclerotic fracture margins (different from the smooth margins of normal bipartite sesamoid). MRI is the definitive diagnostic study — bone marrow edema on T2 sequences confirms acute fracture. Dr. Biernacki determines the diagnosis at the initial evaluation visit with appropriate imaging.
How long does a sesamoid injury take to heal?
Sesamoiditis typically resolves with 6–12 weeks of appropriate offloading and orthotic management. Sesamoid stress fractures require 8–16 weeks of offloading boot before returning to custom orthotic protected activity — longer healing than most stress fractures due to the high mechanical forces across the sesamoid region. Avascular necrosis may require sesamoidectomy if bone collapse progresses despite conservative care.
What shoes are best for sesamoid pain?
For sesamoid pain, the best shoes have: maximum forefoot cushioning to reduce impact forces at the ball of the foot, a wide toe box to prevent lateral compression, and low heel-to-toe drop to reduce forefoot loading during push-off. HOKA Bondi, Brooks Ghost, and New Balance 1080 are among the most commonly recommended models. A custom orthotic with sesamoid cut-out is the most impactful intervention and is combined with appropriate footwear selection.
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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.
In-Office Treatment at Balance Foot & Ankle
If home treatment isn’t providing relief for your foot issues, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.
Frequently Asked Questions
What is sesamoiditis and what causes it?
Sesamoiditis is inflammation of the two pea-sized sesamoid bones embedded in the flexor tendons beneath the first metatarsal head (big toe joint). The sesamoids act as a pulley for the flexor hallucis brevis, absorbing significant load with every push-off. Causes include high-impact activity (running, dancing, jumping), high-arched feet that concentrate load under the first ray, thin-soled footwear, and sudden activity increases. It’s most common in runners and dancers in their 20s–40s.
What does sesamoiditis feel like?
A dull to sharp ache directly under the big toe joint — specifically at the ball of the foot, not at the toe knuckle. Pain worsens with push-off, going up on tiptoe, and wearing heels. Walking downstairs or on uneven ground is often uncomfortable. Unlike Morton’s neuroma, there’s no radiating pain into the toes. Unlike plantar fasciitis, the pain is not worst with first morning steps — it builds with activity and improves with rest.
How long does sesamoiditis take to heal?
Mild cases: 4–8 weeks with proper offloading. Moderate cases: 3–4 months. Severe sesamoiditis with bone edema on MRI: 4–6 months, sometimes longer. Sesamoid fractures (which can occur alongside sesamoiditis) require a walking boot for 6–8 weeks and may need surgical removal if they don’t heal. The most important factor is consistent load reduction during the healing phase — patients who continue high-impact activity through sesamoiditis triple their recovery time.
What is a dancer’s pad and does it help sesamoiditis?
A dancer’s pad (also called a J-pad or sesamoid offloading pad) is a felt or foam pad with a cutout beneath the sesamoid bones. It redirects load to the surrounding metatarsal head while leaving the painful area pressure-free. It’s one of the most effective short-term interventions for sesamoiditis — most patients report significant pain reduction within 1–2 weeks of correct placement. We fabricate these in-office. They’re more effective than standard metatarsal pads for first-ray pathology.
Do I need a walking boot for sesamoiditis?
Moderate-to-severe cases benefit significantly from a short period (2–4 weeks) in a walking boot to completely offload the sesamoids. If pain is present with normal walking or the MRI shows bone edema (stress reaction), a boot is typically recommended. Mild cases can often be managed with a dancer’s pad alone. A boot is not an admission that surgery is coming — it’s an aggressive conservative treatment to reset the inflammation and give the bone a chance to recover.
What are the best insoles for sesamoiditis?
Insoles with a first-ray cutout or dancers’ modification are most effective — standard arch support doesn’t help sesamoiditis because the problem is under the first metatarsal, not the arch. Custom orthotics with a first-ray cutout are the gold standard; quality OTC options include the Powerstep Pinnacle with added padding modified to offload the first ray. In our clinic, we modify OTC insoles in-office for sesamoiditis patients who don’t yet need custom fabrication.
Can sesamoiditis lead to surgery?
In fewer than 10% of cases. Surgery (sesamoidectomy — removal of the affected sesamoid) is considered after 6–12 months of failed conservative management, or when there’s a displaced fracture that won’t heal. Results are generally good — 80–85% of patients return to full activity. However, removing the tibial (medial) sesamoid can cause hallux valgus (bunion) as a complication, so indications are carefully considered. We exhaust all conservative options before recommending sesamoidectomy.
Can I run with sesamoiditis?
Running through active sesamoiditis risks stress fracture and significantly delays recovery. During the acute phase (pain >3/10 with walking), rest from impact completely. Swimming and cycling are excellent alternatives. As symptoms improve, a gradual return begins — short runs on soft surfaces with a dancer’s pad, increasing distance by no more than 10% weekly. Full return to unrestricted running typically takes 3–6 months. Runners who skip the rest phase reliably end up in a boot for 3 months instead.
Is a sesamoid stress fracture the same as sesamoiditis?
No — but they coexist frequently and present identically. Sesamoiditis is soft tissue inflammation; a stress fracture is an actual crack in the bone from repetitive overload. X-ray often can’t distinguish them from a bipartite sesamoid (a naturally two-part bone present in 10–30% of people). MRI is the definitive diagnostic tool — bone marrow edema on MRI confirms stress reaction or fracture. This distinction matters because stress fractures require more aggressive rest and longer protection.
What shoes should I wear for sesamoiditis?
Stiff-soled shoes that minimize first MTP joint flexion are most protective — a stiff rocker-bottom sole prevents the push-off motion that loads the sesamoids. Hoka Bondi and similar maximally cushioned rocker designs are excellent. Avoid flexible, thin-soled shoes entirely. Heels of any height are contraindicated because they increase forefoot load. For daily use, a stiff-soled casual shoe with an added dancer’s pad provides good protection.
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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.