Lisfranc Injury: Recognition, Diagnosis, and Why Missing It Is a Career-Changing Mistake

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

What Is the Lisfranc Joint?

The Lisfranc joint complex is the articulation between the midfoot (tarsal) bones and the metatarsal bases, stabilized by a network of strong dorsal, plantar, and interosseous ligaments. This joint complex forms the structural keystone of the transverse arch and transmits all propulsive forces from the hindfoot to the forefoot during push-off. The Lisfranc ligament itself connects the medial cuneiform to the base of the second metatarsal and is the primary stabilizer of this critical joint.

The Lisfranc joint complex is named after Jacques Lisfranc de St. Martin, a French surgeon who described midfoot amputations during the Napoleonic Wars. Despite its historical surgical significance, injuries to this joint continue to be missed on initial evaluation in approximately 20% of cases, earning Lisfranc injury a reputation as the most commonly misdiagnosed foot injury.

Understanding why this joint is so important requires appreciating that the midfoot functions as a rigid lever arm during the push-off phase of gait. When the Lisfranc ligaments are torn, the midfoot collapses under body weight, the arch flattens, and normal push-off mechanics are impossible — leading to a painful, unstable foot that cannot support walking or running.

How Lisfranc Injuries Occur

Low-energy Lisfranc injuries typically occur from a twisting fall with the foot plantarflexed (pointed downward) — such as catching the foot in a hole, missing a step, or falling off a curb. The body weight rotates over the fixed forefoot, tearing the interosseous ligaments that bind the midfoot together.

High-energy mechanisms include motor vehicle accidents, falls from height, and direct crush injuries that produce more severe fracture-dislocations with obvious deformity. These injuries are usually not missed because the clinical presentation is dramatic, but the subtler low-energy variant is the one that escapes initial diagnosis.

Sports-related Lisfranc injuries occur in football (offensive linemen having their foot stepped on from behind), soccer (studs catching in turf during pivoting), equestrian sports (foot caught in stirrup during a fall), and any activity involving a twisting force applied to a plantarflexed foot.

The key mechanism to remember: any twisting injury to the midfoot with difficulty bearing weight deserves evaluation for Lisfranc injury. The clinical consequences of missing this diagnosis are too severe to dismiss as a simple sprain.

Why Lisfranc Injuries Are Missed

The initial X-ray appearance can be deceptively normal. Subtle Lisfranc injuries may show only 1-2mm of widening between the first and second metatarsal bases — a finding easily overlooked if comparison views of the uninjured foot are not obtained or if non-weight-bearing X-rays are taken (which allow the injured foot to appear more normal than it is under load).

Midfoot swelling after a twisting injury is commonly attributed to a midfoot sprain, and patients may be sent home with instructions to rest and ice. Without weight-bearing X-rays, the instability that defines a Lisfranc injury is not demonstrated, and the diagnosis is delayed until chronic pain and deformity develop.

The fleck sign — a small avulsion fracture fragment at the base of the second metatarsal representing a Lisfranc ligament avulsion — is pathognomonic (definitively diagnostic) for Lisfranc injury but is small and easily missed on standard X-ray views without focused attention to this area.

Dr. Biernacki emphasizes that any patient with midfoot pain and swelling after a twisting mechanism who cannot perform a single-leg heel raise without pain needs weight-bearing comparison X-rays to evaluate Lisfranc joint alignment. This clinical screening test has high sensitivity for identifying injuries that require imaging.

Diagnosis: Weight-Bearing X-Rays Are Essential

Weight-bearing anteroposterior (AP) and lateral X-rays of both feet are the cornerstone of Lisfranc injury diagnosis. Comparison of the injured and uninjured feet reveals asymmetric widening at the Lisfranc joint that confirms ligamentous instability. Non-weight-bearing X-rays can appear completely normal because gravity does not stress the torn ligaments.

The key radiographic measurements include the alignment of the medial border of the second metatarsal with the medial border of the middle cuneiform on the AP view, and the alignment of the medial border of the fourth metatarsal with the medial border of the cuboid on the oblique view. Loss of these alignments indicates displacement.

CT scan provides detailed assessment of fracture patterns and is particularly valuable for surgical planning when bony involvement is complex. CT identifies small fracture fragments and joint surface damage that X-rays may not fully characterize.

MRI directly visualizes the Lisfranc ligament and other stabilizing soft tissue structures. MRI is most valuable when X-rays show equivocal findings and clinical suspicion remains high. Complete Lisfranc ligament disruption on MRI confirms surgical indication even when X-rays appear near-normal.

Treatment: Surgical vs Conservative

Purely ligamentous Lisfranc injuries without displacement on stress weight-bearing X-rays can be treated conservatively with a non-weight-bearing cast or boot for 6-8 weeks, followed by progressive weight-bearing in a rigid arch-support orthotic. Close radiographic follow-up is essential because delayed displacement can occur despite initially stable appearance.

Displaced Lisfranc injuries require surgical intervention — delay beyond 2-3 weeks significantly worsens outcomes. Open reduction and internal fixation (ORIF) with screws or bridge plates restores anatomic alignment and allows ligamentous healing in the correct position. Accurate reduction to within 1mm is associated with significantly better long-term outcomes.

Primary arthrodesis (fusion) of the affected Lisfranc joints is increasingly favored over ORIF for purely ligamentous injuries because fusion provides more predictable long-term results with lower reoperation rates. A 2024 randomized trial in the Journal of Bone and Joint Surgery demonstrated superior pain and functional outcomes with primary fusion compared to ORIF at 5-year follow-up.

Dr. Biernacki determines the optimal surgical approach based on injury pattern, tissue quality, and patient factors. Fracture-dislocation patterns with good bone quality may be best served by ORIF, while purely ligamentous injuries increasingly favor primary fusion.

Recovery and Long-Term Outcomes

Post-surgical recovery involves 6-8 weeks of non-weight-bearing in a cast or boot, followed by progressive weight-bearing in a walking boot for an additional 4-6 weeks. Physical therapy begins at 8-10 weeks with range-of-motion exercises and progressive strengthening. Return to full activity typically occurs at 4-6 months.

Hardware removal (screw removal for ORIF patients) is performed at 4-6 months when the ligaments have healed sufficiently. Patients with primary fusion do not require hardware removal unless the hardware causes symptoms. After hardware removal, return to high-impact activities is permitted once soft tissue healing is complete.

Long-term outcomes correlate directly with accuracy of initial reduction and timing of treatment. Anatomically reduced injuries treated within 2 weeks have significantly better outcomes than those treated with delayed reduction or residual displacement. Even 2mm of residual displacement is associated with measurably worse functional scores at 5 years.

Post-traumatic arthritis develops in approximately 30-40% of Lisfranc injuries regardless of treatment quality, though the severity is significantly less in anatomically reduced injuries. Custom orthotics with rigid midfoot support, stiff-soled shoes, and activity modifications manage post-traumatic arthritic symptoms effectively in most patients.

The Most Common Mistake We See

The most dangerous mistake with Lisfranc injuries is accepting a diagnosis of midfoot sprain without weight-bearing X-rays. Approximately 20% of Lisfranc injuries are missed on initial evaluation, and delayed treatment significantly worsens outcomes. If you have midfoot pain after a twisting injury and cannot comfortably bear weight, insist on weight-bearing X-rays with comparison views of the uninjured foot.

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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

How do I know if I have a Lisfranc injury?

Suspect a Lisfranc injury if you have midfoot pain and swelling after a twisting mechanism, cannot bear weight comfortably, have bruising on the bottom of the midfoot, or cannot do a single-leg heel raise. Weight-bearing X-rays with comparison views confirm the diagnosis. Do not accept a diagnosis of ‘midfoot sprain’ without proper imaging.

Can a Lisfranc injury heal without surgery?

Stable Lisfranc injuries without joint displacement can heal with 6-8 weeks of non-weight-bearing immobilization. However, displaced injuries require surgical fixation for optimal outcomes. Close follow-up with repeat imaging is essential even for conservatively treated injuries because delayed displacement can occur.

How long is recovery from Lisfranc surgery?

Recovery involves 6-8 weeks non-weight-bearing, then progressive weight-bearing for 4-6 weeks. Physical therapy begins at 8-10 weeks. Return to full activity occurs at 4-6 months. Hardware removal for ORIF patients adds a minor procedure at 4-6 months. Full recovery to pre-injury level may take 12 months.

Will I get arthritis after a Lisfranc injury?

Post-traumatic arthritis develops in approximately 30-40% of Lisfranc injuries, though severity varies. Anatomically reduced injuries treated promptly develop less severe arthritis. Custom orthotics, stiff-soled shoes, and activity modifications effectively manage most post-traumatic arthritic symptoms.

The Bottom Line

Lisfranc injuries are serious midfoot injuries that demand accurate diagnosis and timely treatment to prevent chronic disability. Board-certified podiatric surgeons at Balance Foot & Ankle provide expert evaluation with weight-bearing imaging and advanced surgical treatment when needed. If you have midfoot pain after a twisting injury, do not settle for a sprain diagnosis without proper evaluation.

Differential Diagnosis: What Else Could It Be?

Not every case of lisfranc (midfoot) injury is straightforward. In our clinic we routinely rule out three look-alike conditions before confirming the diagnosis. If your symptoms don’t match the classic presentation, one of these may explain the pain — which is why physical exam matters more than self-diagnosis.

Condition	How It Differs
Midfoot sprain	No diastasis on X-ray; able to bear weight after initial pain.
Navicular stress fracture	Dorsal midfoot pain with impact loading; stress fx confirmed on MRI.
Cuboid syndrome	Lateral midfoot pain, often following ankle inversion; relieved by cuboid whip.

Red Flags — When to See a Podiatrist Now

In Our Clinic: What We See

Sources

1. Journal of Bone and Joint Surgery, ‘Primary Arthrodesis vs ORIF for Lisfranc Injuries: 5-Year RCT,’ 2024
2. Foot and Ankle International, ‘Missed Lisfranc Injuries: Risk Factors for Delayed Diagnosis,’ 2025
3. American Journal of Sports Medicine, ‘Sports-Related Lisfranc Injuries: Return to Play Outcomes,’ 2024
4. Journal of Foot and Ankle Surgery, ‘Weight-Bearing CT for Lisfranc Injury Assessment,’ 2025

Lisfranc Injury Treatment at Balance Foot & Ankle

Lisfranc midfoot injuries are frequently misdiagnosed as simple sprains, leading to long-term disability. Dr. Tom Biernacki has the expertise to accurately diagnose and properly treat these complex midfoot injuries.

Learn About Foot Surgery Options → | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Myerson MS, et al. “Fracture dislocations of the tarsometatarsal joints: end results correlated with pathology and treatment.” Foot Ankle. 1986;6(5):225-242.
2. Nunley JA, Vertullo CJ. “Classification, investigation, and management of midfoot sprains: Lisfranc injuries in the athlete.” Am J Sports Med. 2002;30(6):871-878.
3. Desmond EA, Chou LB. “Current concepts review: Lisfranc injuries.” Foot Ankle Int. 2006;27(8):653-660.