Tibialis Posterior Tendon Dysfunction

What is it?

Tibialis posterior tendon dysfunction (TPTD) is a condition characterised by the weakening or tearing of the tibialis posterior tendon, which plays a crucial role in supporting the arch of the foot and maintaining proper foot alignment.

What causes it?

Tibialis posterior tendon dysfunction (TPTD) can be caused by several factors, including:

Overuse and Repetitive Strain

The risk of developing OA increases with age due to the natural wear and tear on joints over time.

Injury or Trauma

Acute injuries, such as a sprain or strain, can damage the tendon, leading to dysfunction.

Age-Related Degeneration

As people age, the tendon can weaken or degenerate, making it more susceptible to injury.

Foot Structure and Biomechanics

Abnormal foot mechanics, such as flat feet (pes planus) or high arches (pes cavus), can increase the strain on the tibialis posterior tendon.

Obesity

Excess body weight can place additional stress on the foot and ankle, contributing to tendon dysfunction.

Medical Conditions

Conditions such as diabetes, rheumatoid arthritis, and hyperthyroidism can affect tendon health and contribute to dysfunction.

Poor Footwear

Wearing inappropriate or poorly fitted shoes that lack support can exacerbate strain on the tibialis posterior tendon.

Addressing these risk factors can help in the prevention and management of TPTD. If you suspect you have this condition, consulting a healthcare professional is advisable for proper evaluation and treatment.

How is it diagnosed?

Tibialis posterior tendon dysfunction (TPTD) is diagnosed through a combination of the following methods:

  • Inspection: The doctor will visually assess the foot and ankle for swelling, deformity, or changes in the arch.
  • Palpation: Feeling for tenderness along the course of the tibialis posterior tendon.
  • Range of Motion: Evaluating flexibility and movement in the foot and ankle.
  • Strength Testing: Checking the strength of the tibialis posterior muscle.
  • X-rays: To rule out bone abnormalities and assess the alignment of the foot and ankle.
  • MRI or Ultrasound: These imaging techniques provide detailed views of the soft tissues, helping to evaluate the condition of the tibialis posterior tendon and identify any tears or degeneration.

Consulting with a healthcare professional is crucial for an accurate diagnosis and appropriate treatment plan.

How is it Treated?

Treatment may involve physical therapy, medications, orthotics, and in some cases, surgical intervention to alleviate pain
and improve function. Treatment for midfoot osteoarthritis (OA) aims to relieve pain, improve function, and slow disease
progression. Common approaches include:

Rest and Activity Modification

Reducing or avoiding activities that exacerbate symptoms, allowing the tendon to heal.

Physical Therapy

  • Exercises to strengthen the tibialis posterior muscle and improve flexibility, balance, and overall foot mechanics.
  • Stretching and strengthening exercises for the lower leg and foot.

Medications

Nonsteroidal anti-inflammatory drugs (NSAIDs) can help relieve pain and reduce inflammation.

Ice and Elevation

Applying ice to the affected area can help reduce swelling, especially after activity.

Corticosteroid Injections

In some cases, injections may be used to reduce inflammation and provide temporary relief.

Surgical Options

If conservative treatments fail and the condition is severe, surgery may be considered. Options include:

  • Tendon Repair: Fixing any tears in the tendon.
  • Tendon Transfer: Re-routing a nearby tendon to take over the function of the tibialis posterior.
  • Fusions or Reconstructions: For severe cases, reconstructing the foot or fusing joints to improve stability.

Lifestyle Modifications

Maintaining a healthy weight and wearing appropriate footwear can help reduce stress on the tendon.

It’s essential to work with a healthcare professional to develop a personalised treatment plan based on the severity of the condition and individual needs.

Frequently Asked Questions

What are the symptoms of midfoot OA?

It can result from overuse, especially in athletes who increase their activity level too quickly. Other factors include improper footwear, biomechanical issues, tight calf muscles, and previous injuries.
Diagnosis involves a medical history review, physical examination, and imaging tests such as X-rays or MRI to assess joint condition.
Common causes include age, previous injuries, repetitive stress on the foot, obesity, genetic factors, and structural abnormalities.
While it may not be completely preventable, maintaining a healthy weight, staying active with low-impact exercises, and avoiding injuries can help reduce the risk.
Treatment options include lifestyle modifications, physical therapy, medications (like NSAIDs), orthotics, injections, and possibly surgery for severe cases.
Midfoot OA is less common than OA in other joints, but it can occur, especially in older adults or those with previous foot injuries.
Yes, low-impact activities like swimming or cycling are generally recommended, but it’s best to avoid high-impact sports. Consulting with a healthcare provider for personalised guidance is advisable.
Midfoot OA is a chronic condition that may worsen over time, but management strategies can help control symptoms and improve quality of life.
Some people find relief through alternative therapies like acupuncture, massage, or dietary supplements, but it’s essential to discuss these with a healthcare provider.
Consult a doctor if you experience persistent pain, swelling, or difficulty walking, or if your symptoms worsen despite home care measures.

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