Medically Reviewed | Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle, Michigan
Quick Answer:
Quick Answer: Midfoot arthritis involves degeneration of the tarsometatarsal (Lisfranc) joints and surrounding articulations. It develops after Lisfranc ligament injuries, repeated stress, inflammatory arthritis, or idiopathically in older patients. Dr. Biernacki at Balance Foot & Ankle provides conservative care and midfoot fusion surgery for Michigan patients suffering from chronic midfoot pain.
Midfoot arthritis is a painful, often progressive degeneration of the joints connecting the metatarsal bones (forefoot) to the cuneiform and cuboid bones (midfoot). The tarsometatarsal (TMT) complex—also called the Lisfranc joint complex—is the most commonly affected area. Whether arising from previous Lisfranc injury, rheumatoid arthritis, or primary osteoarthritis, midfoot arthritis can be profoundly disabling, interfering with walking, standing, and virtually all weight-bearing activities. Balance Foot & Ankle’s Dr. Tom Biernacki has extensive experience managing midfoot arthritis across its full spectrum.
Anatomy of the Midfoot Joint Complex
The Lisfranc joint complex consists of five tarsometatarsal articulations reinforced by multiple ligaments. The Lisfranc ligament specifically connects the medial cuneiform to the base of the second metatarsal—a critical stabilizer whose injury often goes initially misdiagnosed as a “foot sprain.” The midfoot serves as the rigid lever arm for push-off; when its joints degenerate, walking mechanics are fundamentally disrupted.
Causes of Midfoot Arthritis
Post-traumatic midfoot arthritis following Lisfranc injury is the most common presentation in younger active patients—even subtle, initially missed Lisfranc sprains can progress to significant arthritis within 2–5 years. Primary osteoarthritis develops gradually in middle-aged and older patients, often in the first and second TMT joints. Rheumatoid arthritis and other inflammatory arthropathies frequently involve the midfoot. Diabetic Charcot neuroarthropathy produces characteristic midfoot collapse (rocker-bottom foot) from neuropathic joint destruction.
Symptoms
Midfoot arthritis presents as pain and stiffness across the top of the midfoot, typically worsening with prolonged standing, walking on uneven surfaces, and push-off phase of gait. Bony prominences (dorsal osteophytes) may develop over the affected joints, causing shoe irritation. Swelling is common after activity. Some patients notice a gradual collapse of the medial arch as arthritis progresses. Pain is often described as deep, aching, and difficult to localize precisely.
Diagnosis
Weight-bearing foot X-rays are the foundation of diagnosis—non-weight-bearing films miss the dynamic joint-space narrowing and alignment changes characteristic of midfoot arthritis. CT scanning provides superior visualization of articular cartilage loss, osteophyte formation, and bone quality. MRI helps assess cartilage status and identify subchondral edema in earlier-stage disease. Diagnostic injection of local anesthetic into the affected TMT joints can confirm which joints are symptomatic when multiple levels are involved.
Conservative Treatment
Conservative management centers on offloading and stabilizing the arthritic midfoot. Custom rigid or semi-rigid orthotics with Morton’s extension (stiffening the first ray) reduce painful joint motion with each step. Rocker-bottom shoe modifications further decrease TMT joint loading. Activity modification, NSAIDs, and corticosteroid injections into affected joints provide symptomatic relief. Physical therapy addresses gait mechanics and strengthening. Many patients achieve years of satisfactory function with conservative care alone.
Midfoot Fusion Surgery
When conservative measures fail over 6–12 months and pain significantly limits daily function, tarsometatarsal arthrodesis (midfoot fusion) is the surgical standard of care. Dr. Biernacki performs selective fusion of the arthritic joints—preserving motion at non-arthritic joints where possible. The first, second, and third TMT joints are most commonly fused; the fourth and fifth typically retain motion. Screws, plates, and/or staples provide rigid fixation. Non-weight-bearing for 6–8 weeks follows surgery, with progressive return to full weight-bearing over 3–4 months. Patient satisfaction rates exceed 85% with appropriate patient selection and surgical technique.
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Mild to moderate midfoot arthritis, daily walking and standing
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Workplace and daily walking with midfoot arthritis
Athletic high-performance running (needs a rocker-sole shoe)
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✅ Pros / Benefits
- Conservative care with custom orthotics and shoe modification relieves pain for many patients without surgery
- Selective midfoot fusion preserves motion at non-arthritic joints, maintaining better overall foot function
- Weight-bearing X-rays and CT provide accurate staging to guide individualized treatment planning
❌ Cons / Risks
- Midfoot fusion recovery requires 6–8 weeks non-weight-bearing—significant life disruption requiring planning
- Post-Lisfranc arthritis can develop years after an initially mild injury, frustrating patients who thought they had recovered
- Custom orthotics are an out-of-pocket cost for many patients despite being highly effective
Dr. Tom Biernacki’s Recommendation
Midfoot arthritis is one of those conditions that sneaks up on patients. I see many people who had a Lisfranc injury—sometimes just diagnosed as a ‘bad sprain’—five or ten years ago, and now they’re dealing with the arthritic consequences. The good news is that midfoot fusion, when it’s needed, has excellent outcomes. Patients who were limping and unable to work come back at six months and tell me they wish they’d done it sooner. The key is proper patient selection and getting the surgical technique right—anatomic fixation and appropriate joint selection make the difference between a great result and a complicated one.
— Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle
Frequently Asked Questions
How do I know if I have midfoot arthritis or a Lisfranc injury?
Lisfranc injuries are acute traumas; midfoot arthritis is the chronic degenerative result—often of prior Lisfranc injury. Weight-bearing X-rays showing joint-space narrowing, osteophytes, and sometimes diastasis (gap) between the first and second metatarsal bases suggest established arthritis. Dr. Biernacki performs comprehensive evaluation to distinguish acute instability from chronic degenerative disease.
Is midfoot fusion the same as ankle fusion?
No—they are different procedures involving different joints. Ankle fusion (tibiotalar arthrodesis) addresses the true ankle joint. Midfoot fusion (tarsometatarsal arthrodesis) addresses the joints in the middle of the foot. Both are indicated for end-stage arthritis in their respective locations, but the recovery, biomechanical impact, and surgical approach differ significantly.
Will midfoot fusion change how I walk?
Selective midfoot fusion does alter gait mechanics somewhat—the rigid midfoot reduces the normal arch spring mechanism. However, patients adapt well, and most describe less walking impairment after fusion than before surgery due to elimination of pain. A rocker-bottom shoe sole is often recommended long-term to compensate for reduced midfoot flexibility.
How successful is midfoot fusion surgery?
Studies consistently report 80–90% patient satisfaction with tarsometatarsal arthrodesis for post-traumatic and primary midfoot arthritis. Union rates (successful fusion) exceed 90% with modern fixation techniques. The most important predictor of success is accurate diagnosis confirming the arthritic joints are truly the pain source—diagnostic injections help confirm this before surgery.
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Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon 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 reached over one million views.
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