What Causes Achilles Tendinopathy, and How Is It Treated?

Author: Shivani Darira

Date: 13-02-2025

Last Reviewed: 14-08-2026

Achilles tendinopathy develops from repeated overload on the tendon, commonly triggered by sudden training increases, tight calves, unsupportive footwear, or biomechanical issues, and can affect either the mid-portion of the tendon or where it attaches to the heel. Treatment centres on progressive load management and a structured strengthening programme, with additional support from manual therapy, shockwave therapy, or Stimpod therapy for more persistent cases. Left unmanaged, pain that starts only after activity can progress to being present at rest, so addressing it early matters.

What Is Achilles Tendinopathy?

Achilles tendinopathy is a condition where the tendon becomes painful, stiff, and sometimes structurally weakened due to repetitive stress.

It may involve inflammation in some cases, but more commonly it relates to gradual degeneration of the tendon fibres.

There are two main types:

  • Mid-portion Achilles tendinopathy – affects the middle section of the tendon
  • Insertional Achilles tendinopathy – occurs where the tendon attaches to the heel bone

Both can impact movement and daily function if not properly managed.

What Are the Common Causes of Achilles Tendinopathy?

This condition typically develops due to repeated overload of the tendon. Contributing factors include:

  • Sudden increases in physical activity or training intensity
  • Tight calf muscles increasing tension on the tendon
  • Inadequate or unsupportive footwear
  • Age-related changes in tendon elasticity
  • Biomechanical issues such as poor alignment or gait
  • Previous Achilles injuries

Identifying the underlying cause is essential for effective treatment and long-term recovery.

What Symptoms Should You Watch For?

Symptoms usually develop gradually and may include:

  • Pain or tenderness along the Achilles tendon or near the heel
  • Stiffness, particularly after periods of rest or in the morning
  • Swelling around the tendon
  • Thickening of the tendon in more chronic cases
  • Reduced ankle mobility

Pain often starts after activity but can progress to being present during rest if the condition worsens.

What Are the Treatment Options for Achilles Tendinopathy?

Treatment typically focuses on reducing pain, restoring tendon strength, and improving function while addressing the underlying cause.

Physiotherapy and Exercise Therapy

A structured physiotherapy programme is central to recovery. This includes progressive strengthening exercises that help stimulate tendon healing, improve load tolerance, and restore function. Your physiotherapist will guide you through a tailored programme based on your condition and activity levels.

Activity Modification and Load Management

Reducing or modifying aggravating activities is essential in the early stages. This may involve temporarily decreasing high-impact exercise such as running or jumping and replacing it with lower-impact alternatives like cycling or swimming. Gradual return to activity is important to avoid re-irritation.

Manual Therapy

Hands-on techniques such as soft tissue massage and joint mobilisation can help reduce stiffness, improve circulation, and support overall mobility in the affected area. This is often used alongside exercise-based rehabilitation.

Shockwave Therapy

Shockwave therapy (ESWT) is a non-invasive treatment that uses high-energy sound waves to stimulate healing in the tendon. It can help reduce pain, improve blood flow, and support tissue repair, particularly in more persistent cases.

Stimpod Therapy

Stimpod therapy is a non-invasive electrotherapy treatment that uses neuromodulation to help reduce pain and improve nerve function. It can assist in managing chronic tendon pain and may support recovery by improving tissue response and reducing discomfort during rehabilitation.

Footwear Advice and Orthotics

Wearing appropriate footwear with adequate support can reduce strain on the Achilles tendon. In some cases, customised orthotics may be recommended to help correct biomechanical imbalances and improve alignment during movement.

Additional Options (When Required)

In more persistent or severe cases, treatments such as acupuncture or injection therapy may be considered to help manage symptoms and support recovery. These are typically used alongside a structured rehabilitation programme.

At Relive Physiotherapy, treatment is tailored to each individual, combining these approaches into a personalised plan to address both symptoms and underlying causes.

How Can You Prevent Achilles Tendinopathy?

To reduce the risk of developing or recurring Achilles issues:

  • Gradually increase training intensity
  • Warm up properly before activity
  • Maintain calf flexibility and strength
  • Wear supportive footwear
  • Avoid sudden spikes in activity levels

Consistent load management is key to protecting the tendon.

Make a Comeback from Achilles Tendinopathy

Achilles tendinopathy can be frustrating, particularly for those with active lifestyles, but it is highly treatable with the right approach.

Early assessment, appropriate load management, and a structured rehabilitation programme are essential for recovery and prevention of recurrence.

Start your recovery today and reduce the risk of long-term Achilles issues. Contact us to begin your personalised rehabilitation plan.

Frequently Asked Questions

What's the difference between mid-portion and insertional Achilles tendinopathy?

Mid-portion tendinopathy affects the middle section of the tendon, while insertional tendinopathy occurs where the tendon attaches to the heel bone. Both can affect movement and function, though treatment approaches may be adjusted depending on which type is present.

Is Achilles tendinopathy caused by inflammation?

Not always. While some cases involve inflammation, it's more commonly related to gradual degeneration of the tendon fibres from repeated overload, which is why load management is such a central part of treatment.

Can Achilles tendinopathy be treated without surgery?

Yes, in most cases. A structured physiotherapy programme combining progressive loading, activity modification, and manual therapy is usually effective. Additional treatments like shockwave or Stimpod therapy may support recovery in more persistent cases.

What happens if Achilles tendinopathy is left untreated?

Symptoms can worsen over time, with pain progressing from only occurring after activity to being present during rest. Early treatment helps prevent this progression and supports a smoother recovery.

How can I prevent Achilles tendinopathy from coming back?

Gradually increasing training intensity, warming up properly, maintaining calf strength and flexibility, wearing supportive footwear, and avoiding sudden spikes in activity all help reduce the risk of recurrence.

About the Author:

Shivani Darira

Senior Specialist Physiotherapist

As a Senior Specialist Physiotherapist at Relive Physiotherapy, Shivani has a particular interest in treating musculoskeletal and sports injuries. She holds an MSc in Sports Medicine from the University of Chester and brings a strong clinical foundation to her work with athletes and active clients alike.

Shivani's approach is guided by the principle that movement aids healing, and she takes a dynamic, personalised approach to every client's recovery journey.

Outside the clinic, Shivani enjoys HipHop and Bollywood dance and is currently learning to swim and play tennis.