The Lisfranc joint complex is the row of joints where the five metatarsal bones of the forefoot meet the smaller tarsal bones of the midfoot. A strong ligament called the Lisfranc ligament holds the first and second metatarsal bases together. When this joint complex is disrupted, through twisting injury, direct crush, or falling off a step, the bones can shift out of alignment and the ligament can tear.
A Lisfranc injury is a fracture or dislocation in the middle of the foot, at the joints connecting the long bones of the foot to the bones of the arch. It’s one of the most commonly missed foot injuries in emergency settings because it can look like “just a sprain” on a plain X-ray. If left untreated or undertreated, it leads to permanent midfoot arthritis and chronic pain. If you twisted your foot badly and have swelling and pain in the top of the midfoot, this is worth getting properly evaluated, not just treated as a sprain.
How It Happens
Two types of mechanism:
Low-energy: A simple twist – stepping off a curb, slipping on stairs, a dancer falling off pointe. The foot plants and rotates. These can be subtle injuries that look almost normal on X-ray, but the ligament is torn.
High-energy: Car accidents, falls from height, or industrial crush injuries. The bones are obviously displaced and the injury is more apparent.
When these forces disrupt the Lisfranc ligament, which stabilizes the connection between the medial cuneiform and the second metatarsal base, the entire midfoot can become unstable.
What You Might Feel – Symptoms (Clinical Presentation)
Common symptoms of a Lisfranc injury include:
- Pain and swelling in the middle of the foot
- Bruising on both the top and bottom of the foot (plantar bruising is a hallmark sign)
- Inability to bear weight or severe pain when standing or walking
- Pain that worsens with pushing off the affected foot
Even a mild Lisfranc injury is more serious than a sprain and should not be ignored.
Why it Gets Missed
A standard X-ray of the foot may look normal if the bones haven’t shifted significantly, a 1 to 2mm gap at the Lisfranc joint can be invisible unless you’re specifically looking for it. Weight-bearing X-rays (taken while standing) are much more sensitive and are the right way to evaluate these injuries. An MRI can detect ligament tears even when X-rays are normal.
The clue is: midfoot pain and swelling that doesn’t match a simple sprain, especially if there’s bruising on the bottom of the foot (plantar ecchymosis). That bruise pattern, almost never seen in simple ankle sprains, points strongly to a Lisfranc injury.
Imaging tests include:
- Weight-bearing X-rays to detect subtle widening or misalignment between the first and second metatarsals
- CT scans to identify fractures and joint involvement
- MRI to evaluate ligament injuries when X-rays are inconclusive.
Treatment Options
Non-Surgical Care
If the bones are properly aligned and the ligaments are not completely torn, non-surgical treatment may be sufficient. This includes:
- Immobilization in a non-weight-bearing cast or boot for 6 to 8 weeks
- Gradual transition to partial weight-bearing in a removable boot or orthotic
- Regular X-rays to ensure proper healing
If the bones shift during recovery, surgery may be required.
Surgical Care
Surgery is necessary for displaced fractures or unstable joint alignment. The goal is to realign and stabilize the midfoot for healing.
Surgical options include:
- Open Reduction and Internal Fixation (ORIF): The bones are repositioned and held with screws or plates. Hardware may later be removed after healing.
- Primary Arthrodesis (Fusion): For severe injuries or extensive joint damage, fusion eliminates motion between affected bones, restoring stability and reducing future arthritis risk.
Recovery and What to Expect After Treatment
After surgery, patients typically wear a cast or boot for six to eight weeks without weight-bearing. Physical therapy begins gradually after X-rays confirm healing.
Recovery milestones include:
- Partial weight-bearing after 6–8 weeks
- Return to regular shoes around 3 months
- Full recovery and activity by 6 to 12 months, depending on injury severity
Some lingering stiffness or swelling may persist for several months.
Possible Risks or Side Effects
Complications can include:
- Infection or wound healing problems
- Nerve irritation or sensitivity
- Hardware fatigue or breakage (which may require removal)
- Post-traumatic arthritis, even after successful surgery
- Residual stiffness or chronic pain
Long-Term Outlook (Prognosis)
The Lisfranc joint is a weight-bearing joint. Even with good surgical treatment, many patients develop some post-traumatic arthritis in the area over time. Outcomes are significantly better when the injury is identified and treated correctly early. Undertreated Lisfranc injuries, those treated as simple sprains, have high rates of chronic pain and disability.
For insurance and cost information, see our Insurance Information page.
Frequently Asked Questions (FAQ)
Q. I was told it’s just a sprain. Should I get a second opinion? If you had a significant midfoot injury and are still having pain weeks later, yes. Ask specifically for weight-bearing X-rays of the foot, and mention the Lisfranc joint to the physician. A plantar bruise pattern is especially worth taking seriously.
Q. How long until I can walk normally? Most patients are in a regular shoe by 4 to 5 months and walking normally by 6 months. Return to demanding physical activity or sports is typically 6 to 12 months after surgery.
Q. Will I have arthritis? There’s a real risk, especially with high-energy injuries. If post-traumatic arthritis develops and becomes symptomatic, a midfoot fusion addresses it effectively.
Q. Will I walk normally again?
A. Yes, most patients regain normal walking function, though some may experience mild stiffness.
Q. Can I return to sports?
A. Athletes can return to sports once fully healed, typically after 6–12 months.
Q. Will the hardware need to be removed?
A. Sometimes. Screws or plates may be removed 3–5 months after surgery if they cause discomfort or restrict movement.
Q. Can arthritis develop later?
A. Yes, arthritis can occur even after successful treatment due to cartilage damage during the injury.
Summary and Takeaway
A Lisfranc injury is a serious midfoot condition involving ligament tears or fractures that destabilize the arch. Early diagnosis and treatment are essential to restore function and prevent long-term complications. Stable injuries may heal with casting, while displaced injuries often require surgical fixation or fusion. With appropriate treatment, most patients regain a stable, pain-free foot and return to normal activities.
Our doctors have specialized training in foot and ankle trauma and treats Lisfranc injuries, from acute fracture management through reconstruction, at Complete Orthopedics locations in Nassau and Suffolk County. Call and make an appointment today!
