Plantar fasciitis: causes, symptoms and treatments

Plantar fasciitis is the most common cause of heel pain. It affects about ten percent of the population at some point in their lives and can become disabling if not treated properly. Understanding the causes and plantar fasciitis treatment options allows you to act quickly and regain your mobility.

What is plantar fasciitis?

The plantar fascia is a band of fibrous tissue that connects the heel to the toes and supports the arch of the foot. When this structure is subjected to excessive or repeated tension, micro-tears appear and cause painful inflammation. This condition is known as plantar fasciitis. The pain is typically felt under the heel and is often most intense during the first steps in the morning or after a prolonged period of sitting.

The main causes

Several factors contribute to the development of plantar fasciitis. Foot biomechanics play a central role: flat feet, high arches or excessive pronation place abnormal tension on the fascia. Mechanical overload related to running, prolonged standing or rapid weight gain is also a determining factor. Wearing inadequate shoes that lack support or cushioning makes the problem worse. Finally, shortening of the Achilles tendon and calf muscles increases tension on the fascia.

Symptoms to recognize

The hallmark symptom of plantar fasciitis is sharp pain under the heel, often described as a stabbing sensation. The pain is at its worst during the first steps in the morning and tends to decrease with movement, only to return after a period of rest. In some cases, the pain extends along the arch of the foot. As the condition progresses, the pain can become constant and severely limit daily activities.

Treatment options

Plantar fasciitis treatment relies on a multimodal approach. Custom foot orthotics are the cornerstone of conservative treatment. They redistribute pressure under the foot, support the arch and reduce tension on the fascia. The treatment program generally includes calf and plantar fascia stretching exercises, applying ice after activities and modifying footwear.

In resistant cases, other modalities may be considered. Extracorporeal shockwave therapy has shown promising results for plantar fasciitis treatment in chronic cases. Cortisone injections offer temporary relief but do not address the underlying cause. Surgery is rarely necessary and is only considered after all conservative treatments have failed over a period of at least six months.

The role of foot orthotics in treatment

Custom foot orthotics are particularly effective for plantar fasciitis treatment because they act directly on the biomechanical causes of the condition. By correcting excessive pronation and providing adequate support to the arch, the orthotic reduces tension on the fascia with every step. Many patients feel significant relief within the first weeks of wear. The orthotic is also an effective prevention tool to avoid recurrence once the pain has resolved.