Category Archives: Haglund’s Deformity

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The Pump Bump: Haglund’s Deformity

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Haglund’s Deformity, aka Mulhulland Deformity or pump bump, is despite it’s many names a pretty simple deformity wherein a bony enlargement develops on the back of the heel bone. It can develop because of footwear issues, such as wearing shoes with overly tight, rigid backs. It can also occur in people with certain foot shapes. If you place weight on the outside of your feet when walking, you may be especially vulnerable to developing the condition.

The early symptoms of Haglund’s Deformity can be painful, but not severe. They include a hard growth on the back of the heel, and sometimes heel pain. Suffers often get blisters on the area where the growth is. Left untreated, the condition can develop into bursitis and becoming increasingly painful.



If you suspect you are developing this deformity, reassess your footwear. Make sure you are wearing the right size and width of shoe, especially if you normally order online and haven’t had a fitting in some time. Open backed shoes can help, provided they offer adequate support. Stick on cushion inserts can also help protect your heel. Ice, over the counter NSAIDs, and rest can help with the pain–and make sure to clean and cover any blisters to avoid infection.

If the pain persists or worsens despite taking these measures, and if the bony growth continues to grow, see a specialist. A foot and ankle specialist will take a closer look at the structure of your feet, assess your gait, and work you through more aggressive treatments. If necessary, they can recommend and perform surgery to remove the growth, and shave the heel bone back to a more normal shape.



In the NJ area, and worried about your heels? We’d be happy to take a closer look, and create a tailored plan to help manage your symptoms and correct the deformity. You can request an appointment online, or contact our team for more information here.




Twenty-six joints make up the foot and ankle, making this one of the most interesting structures in the entire body--and also, one of the most vulnerable. Injuries and pain in the foot and joint area can be debilitating, even immobilizing. Our experts are here to help you find your footing, and identify a course of treatment that will allow you to hit the ground running.