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Tarsal Tunnel Syndrome

At Care Podiatry, we provide expert care for tarsal tunnel syndrome, focusing on diagnosis and effective treatment at every stage. Using a detailed clinical assessment and advanced imaging when needed, we identify the source of nerve compression and tailor a treatment plan to your specific needs. We emphasize conservative treatment options first, aiming to relieve nerve pressure, reduce pain, and tingling. Whether your symptoms are just beginning or have become more persistent, our goal is to help you move comfortably and get back to your daily routine with confidence.

What is Tarsal Tunnel Syndrome?

Tarsal tunnel syndrome is also known as “tibial nerve dysfunction.” The condition is an entrapment neuropathy that is linked with the compression of tarsal tunnel structures. An incorrect diagnosis can create complications such as foot deformities and functional impairment. Let our experts at Care Podiatry help with early and reliable diagnosis. 

What Are Its Common Symptoms

The symptoms often result from nerve irritation and can include – 

What Causes Tarsal Tunnel Syndrome

Unlike some conditions with only one cause, TTS can be triggered by various factors. These lead to pressure on the posterior tibial nerve – 

Intrinsic (Internal) Causes

  • Tendon Inflammation or tenosynovitis
  • Bony prominences or arthritis
  • Lesions like ganglions, cysts, tumors, or lipomas
  • Thickened retinaculum

Extrinsic (External) Causes

  • Trauma or ankle injury
  • Systemic conditions like arthritis, diabetes, or inflammation
  • Biomechanical abnormalities like flat feet
  • Swelling or edema around the ankle

In most cases, idiopathic causes make diagnosis difficult.

Risk Factors for Tarsal Tunnel Syndrome

There are various risk factors that help patients know why symptoms can develop and when to seek evaluation. Tarsal Tunnel syndrome occurs when pressure builds around the posterior tibial nerve inside the ankle. There are various conditions that increase the likelihood of compression. 

Flat Feet (Pes Planus)

It can cause the foot to roll inward excessively. The inward collapse increases tension and pressure along the inside of the ankle. It places stress on the posterior tibial nerve.

Repetitive Ankle strain

Runners, athletes, and individuals who stand for long periods develop chronic inflammation in the ankle region. Repeated strain can cause swelling and thickening of tissues within the tarsal tunnel. 

Diabetes

It can affect nerve health and increase vulnerability to nerve compression. Swelling, vascular changes, and existing neuropathy can worsen symptoms or delay healing. 

Arthritis

Inflammatory or degenerative arthritis can cause joint swelling and bone changes. It narrows the tarsal tunnel space and increases nerve compression.

Obesity

Excess body weight increases stress on the feet and ankles. The added load contributes to biomechanical strain and soft tissue inflammation around the nerve.

How Is It Diagnosed?

There is no single test to diagnose TTS, so our podiatrists check various aspects –

  • Medical history and physical exam: Focus on symptoms and physical findings like tenderness over the tarsal tunnel. 
  • Tinel’s sign: Tap on the nerve to see if symptoms are reproduced.
  • Imaging studies: It includes MRI, X-rays, or ultrasound to know the structural causes. 
  • Nerve condition studies: Shows slowed nerve signals, even though false negatives are possible. 

Healing Expectations

Prognosis usually depends on –

Some people experience meaningful improvement with conservative care. Others, especially those with chronic nerve compression, need surgery and a longer recovery.

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Frequently Asked Questions

What is Tarsal Tunnel Syndrome?

Tarsal tunnel syndrome is a condition caused by compression of the posterior tibial nerve as it passes through a narrow space on the inside of the ankle.

Symptoms usually include – 

  • Shooting pain in the toes
  • Tingling or burning in the sole
  • Numbness in the foot
  • Pain that worsens with walking

Mild cases can improve with rest, supportive footwear, and reducing inflammation. However, consistent symptoms should be checked to prevent long-term nerve damage.