Tendons are tough fibers that connect muscle to bone. Tendinopathy is an injury to the tendon. It can cause pain and swelling and make it difficult to move. Tendinopathy may be tendonitis or tendinosis:
- Tendonitis—inflammation of the tendon
- Tendinosis—tiny tears in the tendon with no major inflammation
The Achilles tendon connects the calf muscle at the heel bone. Achilles tendinopathy is pain in this tendon.
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Tendinopathy is most often caused by overuse of a muscle and tendon. Over time, the strain on the tendon causes changes in the tendon. This change leads to pain.
Overuse of the Achilles tendon can happen in many ways. Some examples include:
- Increasing your speed or running long distances too quickly
- Suddenly adding strenuous hills or stair climbing to your exercise routine
- Stressing the calf muscles too soon after taking time away from exercising
- A sudden or violent contraction of the calf muscles, such as during an all-out sprint
Symptoms of tendinopathy may include:
- Tenderness—usually just above the heel bone and often more noticeable in the morning
- Stiffness that gradually eases as the tendon is warmed-up
- Pain after activity that gradually worsens
- Pain along the tendon during and/or after running
- Swelling in the area of the Achilles tendon
- Pain at the back of the ankle
You will be asked about your symptoms and exercise habits. A physical exam will be done. The motion of your ankle will be checked. A diagnosis will be made based on the exam.
If the diagnosis is unclear, then the doctor may order imaging tests such as:
- MRI scan
These tests may also be done if other damage may be present.
The tendon may take weeks or months to fully heal. Treatments include:
Rest and Support
The tendon will need a break from movements that are causing pain. However, full rest is not needed.
Other supportive steps may include:
- icing the area
- Shoe inserts
- Ankle taping
- Medicine (prescription or over-the-counter)—to help manage pain
A physical therapist will assess the tendon. Ultrasound and/or massage may be done to help relieve tension.
An exercise program will be created to strengthen and stretch the calf muscles. This can help with recovery and prevent future injuries.
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
Edits to original content made by Denver Health.
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a (Achilles Tendonitis; Achilles Tendinosis)
American College of Sports Medicine http://acsm.org
OrthoInfo—American Academy of Orthopaedic Surgeons http://orthoinfo.org
Canadian Orthopaedic Association http://www.coa-aco.org
Canadian Orthopaedic Foundation http://www.canorth.org
Achilles tendinopathy. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T114274/Achilles-tendinopathy . Updated January 22, 2018. Accessed February 22, 2018.
Achilles tendinitis. Ortho Info—American Academy of Orthopaedic Surgeons website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00147. Updated June 2010. Accessed February 22, 2018.
Common disorders of the achilles tendon. American College of Foot and Ankle Surgeons Foot Health Facts website. Available at: http://www.foothealthfacts.org/footankleinfo/achilles-tendon.htm. Accessed February 22, 2018.
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