TIBIALIS POSTERIOR INJURIES

The tibialis posterior muscle is located at the medial ankle and runs along from the medial shin to the foot. When it is injured or not functioning well, the arch of the foot cannot be properly supported. It contributes to flatfoot and foot pronation. Combined with a tight Achilles tendon, or frequent participating in activities like jumping or forefoot landing, it will cause inflammation of the tibialis posterior muscle.

When the tibialis posterior muscle is overused for a long time, with frequent activities like standing, jumping or forefoot landing, small tears at the junction between the muscle and the tendon may occur with inflammation and pain. If it is not handled properly, the tibialis posterior muscle will eventually atrophy and become so weak that it cannot continue to support the function of the foot. As a result, the patient may experience difficulty in walking and daily exercise, described as tibialis posterior dysfunction.

Many adults with pronated feet, flat feet, high arched feet or heel valgus often have this symptom due to biomechanical abnormalities. It is especially common in women who often wear high heels or people who have high exercise intensity.

The pain extends to the medial ankle and may even cause heel pain, arch pain, plantar fasciitis or bone spur formation. Patients with inflammation of the tibialis posterior muscle can feel pain when weight-bearing especially during the starting or accelerated running.

Firstly, more resting and reducing activities can relieve the pain and swelling. The tissue will take time for healing and recovery. Choosing shoes with good cushioning material and arch support at the heel can reduce the traction force of the tibialis posterior tendon and plantar fascia. In addition, changing the exercise mode and walking posture can reduce repetitive stimulation of the tibialis posterior muscle. Anti-inflammatory drugs, physiotherapy such as acupuncture, ultrasound, and ice help reduce inflammation and swelling. Appropriate manual therapy can also improve the position and degree of foot pressure. Muscle training can be added to support the foot arch later. Severe cases require special sports taping methods or orthotics to support the affected area when exercising, so that the tibialis posterior muscle can function properly again.

• Stretching and strengthening of the tibialis posterior muscle

• You should choose shoes with a firm heel to reduce the excessive strain on the tibialis posterior muscle. You should also avoid wearing unsupported shoes such as sandals and cloth shoes

• Weight control

• Avoid wearing high heels

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