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What Causes Achilles Tendonitis and How to Recover

Common Causes of Achilles tendonitis


The Achilles tendon is the largest and strongest tendon in the human body, connecting the calf muscles to the heel bone. Despite its strength, it is also one of the most commonly injured tendons. Achilles tendonitis refers to inflammation caused by overuse or repetitive strain.


One of the most common causes is a sudden increase in physical activity. Runners who increase mileage too quickly or people who begin new exercise programs often develop this condition. The tendon does not have time to adapt.


Person standing barefoot illustrating foot alignment.

Tight calf muscles are another significant contributing factor. When the calves lack flexibility, they place greater tension on the Achilles tendon during movement, creating cumulative strain.


Age plays a role as well. As we get older, tendons naturally lose elasticity and blood supply. Men over 30 are at higher statistical risk, though the condition affects people of all ages.


Flat feet or overpronation can predispose someone to Achilles tendonitis. This inward rolling changes the angle at which the tendon is loaded. Supportive footwear or custom orthotics can help correct this.


Signs and Symptoms to Watch For


Hallmark symptoms include pain and stiffness along the back of the leg and heel, often worst in the morning or after rest. The area may feel tender and slightly swollen.


If left untreated, Achilles tendonitis can progress to tendinosis, where the tendon tissue degenerates. In extreme cases, this increases the risk of a complete rupture requiring surgical intervention.


Rest is one of the most important initial steps. Reducing activities that caused the problem gives the tendon a chance to heal. Low-impact activities like swimming or cycling can often be continued.


Dr. Chandana Halaharvi at Thrive Foot and Ankle has helped countless patients across Sugar Land, Pearland, and Houston find relief from Achilles tendonitis. Our office offers comprehensive evaluation and treatment tailored to your needs.


Eccentric heel drop exercises have become one of the most well-supported treatments. These involve slowly lowering the heel below a step while bearing weight. Performed consistently over six to twelve weeks, they can produce remarkable improvements.


Person stretching their foot to relieve a cramp.

Treatment Options at Thrive Foot and Ankle


Physical therapy can be invaluable for guiding recovery. A therapist can identify contributing factors like gait abnormalities, muscle imbalances, or flexibility deficits.


Anti-inflammatory medications and ice therapy provide short-term relief but do not address the underlying cause. They are best used as part of a broader treatment plan.


In cases where conservative treatment does not provide relief, more advanced options include platelet-rich plasma injections, extracorporeal shockwave therapy, and in rare cases surgery.


Preventing recurrence requires maintaining calf flexibility through daily stretching, wearing supportive footwear, and gradually progressing activity levels.


Recovery takes patience. Even after pain resolves, the tendon may take several more months to fully regain strength. Following through with rehabilitation is critical for lasting recovery.


At Thrive Foot and Ankle, we provide comprehensive evaluation and personalized treatment plans for Achilles tendonitis. Book an appointment online to start a recovery plan that works for your lifestyle.


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