Jogger’s foot is a nerve entrapment that causes pain and altered sensation in the arch and inner sole. It’s caused by compression of the medial plantar nerve, and — as the name suggests — it’s seen most often in runners. So what is jogger’s foot, and how do we treat it?
What is jogger’s foot?
Jogger’s foot is entrapment of the medial plantar nerve, one of the branches of the tibial nerve in the foot. The medial plantar nerve supplies sensation to the inner sole and the first few toes. It’s most commonly compressed at a spot in the arch called the master knot of Henry, where two tendons cross. The term “jogger’s foot” was first used by Rask in 1978, reflecting how often it affects runners.
It’s essentially a distal cousin of tarsal tunnel syndrome — a compression of a tibial-nerve branch, but further into the foot.
What causes jogger’s foot?
The classic mechanism is excessive rolling-in (valgus) of the foot during running, which stretches and compresses the medial plantar nerve at the arch. Common contributors:
- Running with flat feet (overpronation)
- A firm or high orthotic arch support that presses on the nerve in the medial arch
- A sudden increase in running volume
- Tight or poorly fitting footwear
Symptoms of jogger’s foot
Typical features include:
- Aching or burning pain in the arch and inner sole
- Numbness or tingling spreading into the inner toes
- Pain that’s worse with running and eases with rest
- Symptoms sometimes reproduced by pressing over the arch, or by standing on tiptoe
Because the pain is in the sole, jogger’s foot is easily mistaken for plantar fasciitis — but the nerve symptoms (tingling, numbness, burning) point towards a nerve cause.
How is jogger’s foot diagnosed?
Diagnosis is mainly clinical — the pattern of arch and inner-sole nerve symptoms in a runner, with tenderness over the nerve. Investigations help confirm it and exclude other causes:
- Ultrasound — images the medial plantar nerve and can show swelling or compression, and guide an injection
- MRI — shows the nerve and excludes other causes such as a soft-tissue mass or a stress fracture
- Nerve conduction studies — can support the diagnosis, though they’re not always conclusive for this small nerve
How is jogger’s foot treated?
Most cases settle with conservative treatment aimed at taking pressure off the nerve:
- Reviewing footwear and orthotics — softening or adjusting an arch support that’s pressing on the nerve is often the single most useful step
- Activity modification — reducing running volume and impact while symptoms settle
- Addressing overpronation — appropriate support and calf/foot strengthening to reduce the valgus stress on the nerve
- An ultrasound-guided injection — cortisone or nerve hydrodissection around the nerve, where it doesn’t settle
- Surgery — decompression is rarely needed, reserved for persistent cases
Frequently asked questions about jogger’s foot
How is jogger’s foot different from plantar fasciitis?
Both cause sole pain, but plantar fasciitis typically presents as sharp heel pain, worse on the first steps of the morning, without nerve symptoms. Jogger’s foot causes arch and inner-sole burning, tingling, or numbness — nerve-type symptoms — due to nerve entrapment. Telling them apart matters, because the treatments differ.
Can my orthotics cause jogger’s foot?
They can. A firm or high arch support can press directly on the medial plantar nerve in the arch, and adjusting or softening the orthotic is often one of the most effective treatments. It’s worth reviewing footwear and any insoles as a first step.
Can jogger’s foot be treated without surgery?
Almost always. Reviewing footwear and orthotics, reducing running load, addressing overpronation, and — where needed — an ultrasound-guided injection settle most cases. Surgery to decompress the nerve is rarely required.
Why does it affect runners in particular?
Because running repeatedly rolls the foot inwards (pronation), which stretches and compresses the medial plantar nerve at the arch — the reason Rask named it “jogger’s foot” in 1978. Runners with flat feet, or those using firm arch supports, are especially prone.
Final word from Sport Doctor London about jogger’s foot
Jogger’s foot is an often-overlooked cause of arch and inner-sole pain in runners, resulting from entrapment of the medial plantar nerve. The nerve-type symptoms distinguish it from plantar fasciitis, and a review of footwear and orthotics is often the key. Most cases settle with conservative treatment, and surgery is rarely needed.
If you have persistent arch or sole pain, Dr Masci can assess you in London, including in-clinic ultrasound. Contact the team here or call +44 (0) 203 488 0350.
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