Health condition · Clinically reviewed
Midfoot arthritis, post-traumatic and primary tarsometatarsal disease — from insoles to selective TMT arthrodesis.
Osteoarthritis of the tarsometatarsal (TMT) joints — often post-Lisfranc-injury. Modern stratified care: rigid insoles and injections for early disease; selective TMT arthrodesis for medial-column arthritis; broader arthrodesis for advanced disease.
Why trust this guide
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Clinically reviewed
Written by our editorial team and reviewed by a registered UK clinician before publication.
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Sourced from guidance
Every claim is checked against NICE, BOFAS or peer-reviewed sources you can see at the end.
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Current for 2026
Reflects current UK guidance on orthoses, image-guided injection and selective TMT arthrodesis.
Key facts
Midfoot arthritis at a glance.
The essentials, in plain English — what midfoot arthritis is, why weight-bearing imaging matters, and how modern selective arthrodesis has changed the picture.
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Definition
Osteoarthritis of the tarsometatarsal (TMT) joints of the midfoot — the medial column is far more commonly affected than the lateral.
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Common cause
Most commonly post-traumatic, following a previous Lisfranc injury — even a subtle one that was under-treated at the time.
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Weight-bearing imaging
Weight-bearing X-ray, supported by weight-bearing CT, is the modern standard for assessing midfoot alignment and joint involvement.
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Injection — dual role
Ultrasound-guided injection into the TMT joint is both diagnostic and therapeutic — confirming the pain generator and settling symptoms.
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Selective arthrodesis
Isolated medial TMT arthrodesis preserves motion at the lateral column — a more targeted approach than fusing the whole midfoot.
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Advanced disease
Broader arthrodesis, sometimes with bridging plate fixation, is reserved for pan-midfoot or advanced multi-joint disease.
Why this guide matters
Insoles first, selective fusion last.
Midfoot arthritis is best managed in stages — with modern surgery reserved for the joints that truly need fusion, not the whole midfoot by default.
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Weight-bearing imaging is different
Standing X-rays and weight-bearing CT reveal joint changes and alignment that non-weight-bearing scans routinely miss.
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Injections have a diagnostic role
Ultrasound-guided TMT injection both confirms the pain-generating joint and provides useful therapeutic relief.
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Selective arthrodesis, not pan-fusion
Fusing only the affected joints preserves lateral column motion — a targeted approach with meaningful functional benefit.
How the diagnosis is made
From painful midfoot to a clear plan.
The steps a UK GP and foot and ankle team will normally follow, in order — so you know what to expect and why.
Phase 1 · Recognising
History, examination and weight-bearing X-ray
Phase 2 · Confirming
Weight-bearing CT and diagnostic injection
Phase 3 · Managing
Specialist consultation, selective arthrodesis if needed
- 01
Recognising
Symptom and trauma history
The story matters — midfoot pain with a history of a previous foot injury or Lisfranc sprain should raise suspicion, even years later.
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Recognising
Palpation of TMT joints
Focal tenderness over the tarsometatarsal joint line — particularly the medial column — is a strong clinical pointer.
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Recognising
Weight-bearing X-ray
Standing X-rays of the foot reveal joint-space narrowing, subluxation and alignment that non-weight-bearing films can hide.
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Confirming
Weight-bearing CT
Increasingly the modern standard — a low-radiation weight-bearing CT gives a full three-dimensional map of midfoot arthritis and alignment.
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Confirming
Ultrasound-guided diagnostic injection
A targeted TMT joint injection under ultrasound confirms the pain generator and gives useful therapeutic benefit at the same time.
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Confirming
Assess coexisting deformity
Hallux valgus and flat foot commonly coexist — they influence both symptoms and the surgical plan if fusion is considered.
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Managing
Foot and ankle surgery consultation
For refractory disease or when arthrodesis is being weighed — a specialist foot and ankle surgeon guides the choice of joints to fuse.
Typical timeline: 4–8 weeks from first appointment to a settled plan.
Symptoms
What midfoot arthritis actually feels like.
The pattern is telling — midfoot pain and swelling, a dorsal bony bump, and symptoms that build steadily with walking and standing.
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Midfoot pain
A deep, aching pain across the middle of the foot — often felt during and after walking rather than at rest.
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Dorsal prominence
A visible bony bump on the top of the midfoot — from osteophytes and joint subluxation.
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Swelling of midfoot
Puffiness and thickening across the midfoot after a day on your feet — often subtle but consistently present.
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Callus under lateral column
Thickened skin under the outside of the foot suggests altered weight transfer as the medial column collapses.
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Aggravated by walking
Symptoms build steadily with walking distance and time on the feet — reliably reproduced by prolonged loading.
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Limping
An antalgic gait that shortens stride and offloads the affected side — often unconscious and progressive.
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Recurrent symptoms
A pattern of flares and settled periods — often years after a previous foot injury or Lisfranc sprain.
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Red flag
A hot, swollen midfoot with fever needs urgent review — septic joint or acute gout must be excluded before assuming arthritis.
Treatment
How midfoot arthritis is treated in the UK.
A stratified approach — carbon insoles and injections for early disease, then selective TMT arthrodesis, with broader arthrodesis reserved for advanced multi-joint disease.
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Carbon-fibre insole / rigid rocker
A stiff carbon-fibre insole or rocker-soled shoe unloads the TMT joints during gait — often the single most useful conservative measure.
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Custom orthosis (medial arch support)
A custom-moulded orthosis supports the medial arch and reduces load across the arthritic medial column.
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NSAIDs
A short course of oral anti-inflammatories helps flares — with the usual care around gastric, renal and cardiovascular risk.
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Ultrasound-guided steroid injection
A targeted TMT joint injection under ultrasound settles inflammation, confirms the joint responsible and buys durable relief.
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Physiotherapy
Calf stretching, intrinsic foot strengthening and gait retraining — supports orthotic and post-operative care alike.
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Isolated medial column (1st TMT) arthrodesis
Fusing only the first tarsometatarsal joint preserves motion at the mobile lateral column — a targeted operation for isolated medial disease.
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Combined 1st–3rd TMT arthrodesis
When arthritis spans the medial three TMT joints, a combined fusion of these joints reliably relieves pain and restores alignment.
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Bridging plate fixation for pan-midfoot arthrodesis
For advanced multi-joint disease, a bridging plate stabilises the whole midfoot — reserved for the most severe presentations.
What this guide is based on
The sources behind every claim on this page.
UK national guidance and specialist society standards, current at the time of last review.
Key references
Guidelines and standards we relied on.
A quiet reminder
This guide is for information, not medical advice.
Your GP, podiatrist or foot and ankle team knows your history and can tell you which parts apply to you. If in doubt, get seen.
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British Orthopaedic Foot and Ankle Society (BOFAS). Patient information and clinical standards.
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NICE NG226. Osteoarthritis in over 16s: diagnosis and management.
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American Orthopaedic Foot & Ankle Society (AOFAS). Guidance on midfoot arthritis.
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International consensus on weight-bearing CT of the foot and ankle.
Red flags
When midfoot pain needs urgent review.
Most midfoot pain is arthritic and settles with staged care. These are the situations where a different diagnosis — or a surgical complication — needs to be considered.
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Septic midfoot joint
A hot, swollen, painful midfoot with fever or systemic upset needs same-day review to exclude joint infection.
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Gout / CPPD arthropathy
A sudden red, hot midfoot flare may be crystal arthropathy rather than osteoarthritis — treatment and urgency differ.
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Post-op non-union
Persistent midfoot pain months after arthrodesis surgery may reflect a non-united fusion — needs imaging and surgical review.
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Post-op hardware failure
Recurrence of pain, deformity or new prominence after fusion can indicate screw or plate failure — contact your surgical team.
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Charcot midfoot
In a person with diabetes, a warm, swollen, deforming midfoot must be assumed to be Charcot arthropathy until proven otherwise.
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Post-op wound complication
Redness, discharge or increasing pain around a surgical wound needs prompt review to exclude infection or dehiscence.
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Recurrent Lisfranc instability
Recurrent midfoot instability after previous Lisfranc treatment may need revision fixation or definitive arthrodesis.
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Post-op transfer arthritis
New pain in the adjacent, unfused joints after TMT arthrodesis may reflect transfer arthritis at neighbouring midfoot joints.
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Post-op mal-alignment
A visibly deformed foot after surgery — with a callus or difficulty in normal footwear — needs specialist reassessment.
Living with it
A slow condition, but a very manageable one.
Four things that make the biggest difference day to day — footwear, load, rehab and knowing when to reassess.
A quiet reminder
Stiffness in the shoe protects the midfoot.
A rigid rocker sole or carbon insole limits painful TMT motion during every step — often the highest-value change you can make.
- 01 Footwear
Stiff soles matter more than cushioning
A rigid, rocker-soled shoe or a good carbon insole limits painful TMT motion — often the single most useful daily change.
- 02 Load
Manage standing and walking distance
Long days on the feet and long walks predictably flare symptoms — pace activity and build back slowly around injections or surgery.
- 03 Rehab
Keep the calf and intrinsics working
Calf stretching and small-foot muscle work supports orthoses and improves recovery from any surgical fusion.
- 04 Reviews
Reassess when things change
A rising callus, a widening dorsal bump or a new limp is worth a specialist review — before compensations become entrenched.
Frequently asked
Everything we get asked about midfoot arthritis.
Quick answers on causes, imaging, injections, selective arthrodesis and recovery.
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What causes midfoot arthritis?
Most cases are post-traumatic, following a previous Lisfranc injury or sprain of the tarsometatarsal joints — sometimes years earlier and often initially under-recognised. A smaller number are primary osteoarthritis without a clear injury history.
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Do I need a scan?
Yes — weight-bearing X-rays of the foot are the essential first step, and weight-bearing CT is increasingly the modern standard for a full three-dimensional assessment of joint involvement and alignment.
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What is the point of an injection?
An ultrasound-guided steroid injection into the TMT joint has two roles: it confirms which joint is generating the pain, and it can give durable therapeutic relief. It is a useful step before considering surgery.
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Do I need to fuse the whole midfoot?
No — modern surgery is selective. If disease is confined to the first TMT joint, only that joint is fused. If the medial three joints are affected, a combined 1st–3rd TMT fusion is used. Broader fusion is reserved for advanced multi-joint disease.
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Will I be able to walk normally after a TMT fusion?
Yes — the tarsometatarsal joints have very little motion to begin with, so fusion of the medial column has a surprisingly small effect on gait. Most people walk comfortably in normal shoes after full recovery.
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What is the red flag I should not ignore?
A hot, swollen midfoot with fever needs same-day review to exclude joint infection or an acute crystal arthropathy such as gout. In a person with diabetes, a warm swollen midfoot must be assumed to be Charcot arthropathy until proven otherwise.
Related content
Keep reading.
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Lisfranc injury
The midfoot injury behind most post-traumatic TMT arthritis.
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Osteoarthritis of the ankle joint — assessment and options.
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MRI of the ankle and foot — what it shows and when it helps.
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