What is a Plantar Fasciitis Splint?

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  • Written By: Nat Robinson
  • Edited By: J.T. Gale
  • Last Modified Date: 26 March 2020
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A plantar fasciitis splint is a device worn on the foot by individuals who suffer from plantar fasciitis. The splint works by keeping the foot in a stretched position to relive pain and soreness that may be caused by the condition. Plantar fasciitis is a type of heel injury that can result if the thick band of tissue running across the bottom of the foot, known as the plantar fascia, becomes inflamed or injured. This condition is a common cause of heel pain and foot problems. Other common causes of plantar fasciitis can include wearing unsupportive shoes, overuse of the heel, and repetitious activities.

Methods used for plantar fasciitis treatment will vary according to the individual and cause of the condition. A plantar fasciitis night splint is commonly used as the splint of choice for treatment. Individuals with this type of heel injury may endure especially sore heels in the morning. One function of a plantar fasciitis splint is to keep the plantar fascia in a lengthened position to prevent tightening. If worn overnight, the common symptom of a sore heel may be less severe as the splint would have kept the plantar fascia stretched throughout the night.


Wearing a plantar fasciitis splint will limit the range of motion of the foot. This can be helpful by relieving pressure that is applied to the plantar fascia upon movement. The splint is generally fitted to cover the foot as well as the calf. Plantar fasciitis night splints are typically worn overnight while sleeping because the foot will be in a relaxed state for an extended amount of time. Without the splint, the foot may be put into positions that could cause cramping.

Various movements throughout the night of a foot with an injured plantar fascia could worsen the condition. The plantar fasciitis splint helps to protect the foot since the individual may be unconscious of movements while sleeping. Typically, the splints are inexpensive. Many patients who wear the splints as directed by a doctor commonly feel a significant relief of pain, soreness, and other symptoms of plantar fasciitis.

Other methods that may be used to treat this heel injury can include wearing plantar fasciitis insoles. These insoles can relieve pain by acting as a cushion and providing protection for the injured area of the foot. Wearing insoles can also keep the plantar fascia straight while the foot is being flexed into different positions. Additionally, while walking or running, plantar fasciitis insoles can help to distribute the amount of pressure applied to the foot. The insoles are generally cost-efficient and may be shared between various pairs of shoes.

Choosing the correct pair of shoes can also be beneficial in treating plantar fasciitis. Shoes should be supportive, properly cushioned, and not have excessively high heels. Individuals with plantar fasciitis may also purchase plantar fasciitis shoes. These shoes typically have soles specially designed to ensure the foot remains in a position that will keep the plantar fascia lengthened. This can lessen pain while walking, and prevent tightening and cramps in the foot.



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