Achilles tendinitis is a common condition that occurs when the large tendon that runs down the back of your lower leg becomes irritated and inflamed.
The Achilles tendon is the largest tendon in the body. It connects your calf muscles to your heel bone and is used when you walk, run, climb stairs, jump, and stand on your tiptoes
Cause
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A sudden increase in the amount or intensity of exercise activity
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Having tight calf muscles and suddenly starting an aggressive exercise program can put extra stress on the Achilles tendon
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Extra bone growth where the Achilles tendon attaches to the heel bone can rub against the tendon and cause pain
Symptoms
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Pain and stiffness along the Achilles tendon in the morning
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Thickening of the tendon
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Bone spur
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Swelling is present all the time and gets worse throughout the day with activity
Risk factors
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A naturally flat arch in your foot can put more strain on the Achilles tendon. Obesity and tight calf muscles also can increase tendon strain
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Running in worn-out shoes can increase your risk of Achilles tendinitis
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People who have psoriasis or high blood pressure are at higher risk of developing Achilles tendinitis
Prevention
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Choose your shoes carefully
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Strengthen your calf muscles
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take the time to stretch your calf muscles and Achilles tendon in the morning
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Avoid activities that place excessive stress on your tendons