Achilles Tendinopathy

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Article by J.Miller, Z.Russell, A.Kearney

What is Achilles Tendinopathy?

Achilles Tendonitis

(Aliases: Achilles tendonitis, Achilles tendinitis, Achilles tendon pain, Achilles tendinosis, Achilles tendinopathy)   

Most health experts now use the term Achilles tendinopathy to include both inflammation (tendonitis) and other Achilles tendon pathologies.

But many people may still use the term tendonitis out of habit.

Achilles Tendinopathy is usually an overuse injury that is common especially to joggers and jumpers, due to the repetitive action and so may occur in other activities that require the same repetitive action.

What Causes Tendon Pain?

Tendons are the tough fibres that connect muscle to bone. Most tendon injuries occur near joints, such as the shoulder, elbow, knee, and ankle. A tendon injury may seem to happen suddenly, but usually it is the result of many tiny tears to the tendon that have happened over time. Health professionals may use different terms to describe a tendon injury. You may hear:

Tendonitis (or Tendinitis): This actually means "inflammation of the tendon," but inflammation is rarely the cause of your tendon pain.

Tendinosis: This refers to tiny tears in the tissue in and around the tendon caused by overuse.

What Causes Achilles Tendinopathy?

Achilles tendinopathy is an overuse injury that is common especially to joggers and jumpers, due to the repetitive action and so may occur in other activities that require the same repetitive action.

Most tendon injuries are the result of gradual wear and tear to the tendon from overuse or ageing. Anyone can have a tendon injury, but people who make the same motions over and over in their jobs, sports, or daily activities are more likely to damage a tendon.

A tendon injury can happen suddenly or little by little. You are more likely to have a sudden injury if the tendon has been weakened over time.

Common Causes of Achilles Tendonitis include:

  • Over-training or unaccustomed use – “too much too soon”
  • Excessive intensity or Distance increase
  • Change in training surface – e.g. grass to bitumen
  • Lack of training variation
  • Poorly supportive footwear.
  • Hill running.

Achilles Tendinopathy Risk Factors

  • Gender: Men > Women
  • Age: >30 most common
  • Weight: Higher body weight increases risk
  • Diabetes
  • Calf Muscle: weakness, poor endurance &/or tightness
  • Poor Lower Limb Muscle Control: eg Poor hip and knee muscle control
  • Stiff Ankle/Foot Joints

What are the Symptoms of Achilles Tendinopathy?

Achilles tendinopathy may be felt as a burning pain at the beginning of an activity, which gets less during activity and then worsens following activity. The tendon may feel stiffness first thing in the morning or at the beginning of some exercise.

  • Achilles tendinopathy usually causes pain, stiffness, and loss of strength in the affected area.
  • The pain may get worse when you use your Achilles tendon.
  • You may have more pain and stiffness during the night or when you get up in the morning.
  • The Achilles may be tender, red, warm, or a swollen lump may be present if there is inflammation.
  • Variable pain. Achilles pain can vary significantly depending upon your exercise load.

How is Achilles Tendinopathy Diagnosed?

Achilles tendinopathy is one of many causes of lower calf or heel pain. The correct diagnosis is vital to your treatment plan and recovery! They will base their diagnosis on your history, symptom behaviour and clinical tests. It is important to understand that diagnostic imaging is not required in most cases of Achilles tendinopathy. In some cases, an MRI may be recommended by your health practitioner. Achilles tendons will often have a painful and prominent lump within the tendon.

Achilles tendinitis

Tendinopathy Phases

Tendinopathy is a continuum of pathological processes and your treatment plan can be aided by correct identification of the current phase of injury and the application of appropriate exercise in the rehabilitation of your injury. Inappropriate loading may delay your recovery and your return to sport.

Identification of the phase helps to identify an entry point for your rehabilitation and how much you can perform in your recovery and balancing your activity levels in your rehabilitation plan.


It is very important to have your tendinopathy professionally assessed to identify your injury phase. Identifying your tendinopathy phase is also vital to direct your most effective treatment since certain modalities or exercises should only be applied or undertaken in specific tendon healing phases.

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How Do You Treat Achilles Tendinopathy?

Achilles tendinopathy treatment varies significantly from how we treated the condition just a few years ago. Researchers are constantly updating their treatment recommendations. Based upon that our Achilles tendinopathy treatment protocols are regularly being updated to the latest research-supported versions. 

Achilles tendinopathy treatment is complex due to the high level of recurrence and patient variables. Achilles treatment also varies depending upon where you are within the tendon injury phase continuum as outlined above. The secret to a quick path to success is correctly assessing which phase you are currently and prescribe the appropriate exercises and advise suitable for that phase. That's exactly where the support of an up-to-date Achilles physiotherapist can fast-track your rehabilitation success.

How is Your Rehabilitation Progress Monitored?

Your physiotherapist is highly skilled in the management of Achilles tendinopathy and your subsequent safe return to sport. Among other tests, your physiotherapist will use your pain provocation tests, strength measures, and functional activities as an effective tool to monitor your pain, function and when to progress exercises or return to sport.

They’ll also be happy to discuss your injury rehabilitation with your coach.

How Do You Treat Achilles Tendinopathy?

Achilles tendinopathy treatment has progressed significantly in recent years. Based on this, it is now more important than ever to be assessed and treated by a physiotherapist who is up-to-date in the latest Achilles tendinopathy research findings and treatment strategies.


There is increasing importance in exercise in the management of tendinopathy. Isometric exercise, or exercise that the joint angle and muscle length do not change during exercise, have proven effects at pain relief for athletes suffering from tendinopathy.

How Will Your Physiotherapist Progress Your Treatment?


Tendinopathy treatment is progressed based on your tendon’s ability to withstand your exercises load. For most athletes, the traffic light system is utilised in order to clearly define how much training is too much.

Red will indicate that you need to reduce your exercise load. Amber indicates that you can exercise at current loads. Green indictaes that you can safely increase your exercise loads.

Your physiotherapist will explain how to interpret your symptoms and plan your exercise loads based upon their assessment and your symptoms.

Managing Your Activity Load is a Priority!

Exercise load management is vital to the successful treatment of an Achilles tendinopathy. Mild load increases will stimulate new tendon growth. Overload leads to tendinopathy deterioration.

Reduce the load to a level that allows the tendon to recover. In severe cases, this may mean total rest from your sport or modifying training depending on the severity of tendinopathy. Your activity load should be discussed with your physiotherapist, who will plan and modify your program accordingly, based upon your pain provocation tests, traffic light response to activity and other symptoms.

When managing load you should be guided by how the tendon responds not just immediately but also 24 hours later. Tendons are known to have a latent response to loading. This means they can take 24 hours or more to react. It is important to modify your activity to remain pain-free during and for following 24 to 48 hours.

For more specific information, please discuss your Achilles tendinopathy with your physiotherapist.

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How Long Does it take for Achilles Tendinopathy to Heal?

If you identify your Achilles tendon injury in the early stages then load management and reduction will allow the tendon time to adapt and quickly recover. The reactive stage can be relatively short. Pain may settle in 5 to 10 days but the tendon will still be sensitive to high loads and training needs to be progressed gradually to prevent relapse. It is important that it does not progress into late stage 2 or stage 3 tendinopathy. These tendinopathies require additional time and rehabilitation.

A likely return to sport is in the order of 12 weeks. However, everyone is very different!

There is no specific time frame for when to progress from each stage to the next. Your Achilles tendonitis rehabilitation status will be determined by many factors during your physiotherapist’s clinical assessment and reviews. You’ll find that in most cases, your physiotherapist will seamlessly progress between the rehabilitation phases as your clinical assessment and function improves.

It is also important to note that each progression must be carefully monitored as attempting to progress too soon to the next level can lead to re-injury and frustration. The severity of your tendon injury, your compliance with treatment and the workload that you need to return to will ultimately determine how long your injury takes to successfully rehabilitate.

When Will Your Achilles Tendinopathy Heal?

Some practitioners suggest that the prognosis with guided treatment can be summed up by the tendinopathy phase:

  • Phase I: days
  • Phase II: weeks
  • Phase III: months
  • Phase IV: years

Exercises to Avoid with Achilles Tendinopathy

Avoid exercises that provoke your pain such as running up hills or stairs, sprinting, jumping, hopping and deep squats until advised otherwise by your physiotherapist.

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Massage, Foam Rollers & Stretches

Massage or foam rollering of your calfs, shins, quadriceps, ITB, and hamstrings, may assist in cases of Achilles tendinopathy. You can perform these in positions that do not hyperdorsiflex your ankle. Ask your physiotherapist for specific advice.

Foam rollers can be found here:

Eccentric Strengthening

Eccentric exercises were for many years the "go-to" exercises for tendinopathy rehabilitation. While definitely important, premature or overloaded eccentric exercises can delay your rehabilitation. Your physiotherapist will guide you when appropriate to commence strengthening that does not aggravate your Achilles tendinopathy. They may start you with isometrics that avoid tendon compression and progress from there towards a basic and then advance eccentric exercise program.

Adjacent Joints & Lower Limb Biomechanics

Researchers have identified several lower limb biomechanical issues may predispose you to Achilles tendinopathy. Your physiotherapist will assess things such as your ankle dorsiflexion, single-leg squat alignment and control, gluteal control, hip/knee bend ratio and running and landing technique. They’ll advise you if you require some treatment to address any deficiencies.

Other Treatments

Novel therapies such as the injection of sclerosing agents, platelet-derived growth factor (PDGF), and autologous blood into diseased tendons have shown potentially promising results, but more clinical trials are needed, so it is still considered experimental at this time. Your physiotherapist is happy to discuss these options with you when they consider them an appropriate treatment option. 

Remember, all tendinopathies are different. Please seek the advice of your physiotherapist to determine the best rehabilitation appropriate to your tendinopathy.

Can Your Achilles Tendon Rupture?

Achilles tendon pain

The worst case scenario is a total rupture of your Achilles tendon, which occurs when tendon cell death occurs and the tendon strength is insufficient. Treatment in this case may requires surgery, plaster or a wedged walking boot for at least six weeks. Most of these injuries take six months or more to adequately rehabilitate, so avoiding Achilles tendon rupture remains the best option.

The best advice is to seek early advice from your physiotherapist to do all you can to avoid this nasty rupture happening in the first place.

More info about: Achilles tendon rupture. 

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Common Tendinopathies

General Information

Specific Tendinopathies

Foot & Ankle
Hip & Groin

Wrist & Hand 

Helpful Products for Achilles Tendonitis

Achilles Tendonitis

Related Injuries

General Information

Achilles Injuries

Calf Pain

Shin Pain

Muscle Injuries

Systemic Conditions

Neurological Conditions

Common Treatments for Achilles Tendonitis

  • Early Injury Treatment
  • Avoid the HARM Factors
  • Soft Tissue Injury? What are the Healing Phases?
  • Acupuncture and Dry Needling
  • Sub-Acute Soft Tissue Injury Treatment
  • Active Foot Posture Correction Exercises
  • Gait Analysis
  • Biomechanical Analysis
  • Eccentric Strengthening
  • Balance Enhancement Exercises
  • Proprioception & Balance Exercises
  • Agility & Sport-Specific Exercises
  • Medications?
  • Heel Cups
  • Orthotics
  • Soft Tissue Massage
  • Walking Boot
  • Brace or Support
  • Dry Needling
  • Electrotherapy & Local Modalities
  • Heat Packs
  • Joint Mobilisation Techniques
  • Kinesiology Tape
  • Neurodynamics
  • Prehabilitation
  • Running Analysis
  • Strength Exercises
  • Stretching Exercises
  • Supportive Taping & Strapping
  • TENS Machine
  • Video Analysis
  • Yoga
  • FAQs about Achilles Tendonitis

  • Common Physiotherapy Treatment Techniques
  • What is Pain?
  • Physiotherapy & Exercise
  • When Should Diagnostic Tests Be Performed?
  • Massage Styles and their Benefits
  • What Causes Post-Exercise Muscular Pain?
  • Barefoot Running: Your MUST READ Guide to the Pro's and Con's.
  • Can Kinesiology Taping Reduce Your Swelling and Bruising?
  • How Can You Prevent a Future Leg Injury?
  • How Do You Improve Your Balance?
  • How Much Treatment Will You Need?
  • Post-Run Soreness: Should You Be Concerned?
  • Sports Injury? What to do? When?
  • What are the Common Massage Therapy Techniques?
  • What are the Early Warning Signs of an Injury?
  • What is a Tendinopathy?
  • What is a TENS Machine?
  • What is Chronic Pain?
  • What is Nerve Pain?
  • What is Sports Physiotherapy?
  • What's the Benefit of Stretching Exercises?
  • When Can You Return to Sport?
  • Why Kinesiology Tape Helps Reduce Swelling and Bruising Quicker
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    More info: Achilles tendinopathy

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    Last updated 06-Aug-2019 01:30 PM

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