Causes of Plantar Fasciitis

Causes of Plantar Fasciitis

What is Plantar Fasciitis

The plantar fascia is a long flat ligament on the bottom of your foot.  It connects your heel bone to your toes to support the arch of your foot.  Like other ligaments in your body, it can stretch within limits and then return to normal.  

Foot Plantar fasciitisIf too much tension and stress are applied, small tears can form in the fascia.  When the condition is new or acute, it causes inflammation of the plantar fascia and is called plantar fasciitis.   Of course, many people push through the discomfort. They rarely give the fascia enough time to properly heal, so the body patches the inflamed fascia with scar tissue. 

Repeatedly doing this over months or years causes more tears and scar tissue, until your fascia is in a state of degeneration with chronic pain.  Not only do you have an area of significant scar tissue now, but the blood vessels in that area are disorganized. These inhibit your body from healing the injury and causing chronic pain. 

Causes of Plantar Fasciitis

Plantar fasciitis is one of the most common injuries.  1 in 10 people suffer from Plantar Fasciitis.  Understanding the causes of plantar fasciitis and its risk factors is essential to preventing it. 

If you are between the ages of 40-60 and are overweight, you are much more likely to develop plantar fasciitis.  Certain exercises and occupations that put a lot of stress on your feet also put you at higher risk.  These risk factors, combined with foot mechanics and non-supportive footwear, are among the most common causes of plantar fasciitis.

Common Causes of Plantar Fasciitis:

  1. Age
  2. Foot mechanics
  3. Overweight
  4. Certain types of exercises & Certain occupations
  5. Non-supportive footwear

1. Age

Foot family Plantar fasciitis is most common in middle-aged and older adults between the ages of 40 and 60, affecting women slightly more than men.  As you age, your feet may flatten, and you may notice a drop in your arch.  With this change in foot mechanics, the plantar fascia becomes increasingly unable to absorb and distribute each step’s shock.  It becomes stressed and small tears form. 

When you are younger, the plantar fascia can quickly repair itself, and your feet can maintain a better arch.  With age, the plantar fascia cannot preserve its shape as well, the bowstring relaxes, and your foot arch drops.  This does not happen to everyone but is more prevalent with age.

2. Foot Mechanics

foot mechanicsFoot mechanics, the foot structure, is another common cause of plantar fasciitis affecting people of all ages.  For people with naturally flat or even high arches, the plantar fascia may not effectively support the arch and absorb each step’s shock.  Overpronation (foot rolls in), supination (foot rolls out), and abnormal walking patterns can affect weight distribution in your feet and put added stress on the plantar fascia. 

Walking with a slight limp due to back, hip, or knee pain can affect your feet as well.  For example, some people notice that their feet start feeling better after they treat a problem with their knees.  A podiatrist may recommend a pair of orthotics to fit into your shoes for those with low arches. This helps support the foot, improve the foot mechanics, and improve plantar fasciitis symptoms.

3. Overweight

overweightAnother common cause of plantar fasciitis is having a high body mass index or being overweight.  The extra pounds put additional stress on not only your heart and joints but also on your feet.  Since the plantar fascia is a shock absorber, the additional pressure applied in each step from extra weight requires the plantar fascia to absorb more shock.  This additional stress and pounding on the feet are a prevalent cause of plantar fasciitis.  There is a documented correlation between obesity and plantar fasciitis.  Doctors often speak to their patients about the role of weight loss in plantar fasciitis treatment.

4. Certain Exercises and Occupations

exercises and occupationsCertain types of exercise and occupations also lead to an increased risk of developing plantar fasciitis. Activities that put a lot of stress on your feet, such as long-distance running and ballet, commonly lead to plantar fasciitis.  The same is true for jobs that require long periods of standing or walking.  Teachers, nurses, mechanics, and other occupations that spend hours on their feet can often develop this painful condition.  Whether it is due to exercise or work, these activities can easily overstress your plantar fascia and cause this painful condition.

5. Non-supportive Footwear

non-Supportive FootwearYour choice of footwear can put you at a higher risk of developing plantar fasciitis.  Improper shoes put additional and/or unbalanced stress on your feet.  The shape of your footwear and the type of footwear chosen for a prolonged activity can negatively affect your foot mechanics and lead to unneeded stress on the plantar fascia. 

It is essential for runners that you have good shock absorbing shoes that support your arch and are frequently changed out based on your mileage.    If you walk a lot as part of your job or stand for extended periods on hard surfaces like concrete, supportive cushioned shoes are necessary. 

Sorry, high heels and flip flops are popular but are non-supportive shoes.   High heels are not good because they put your feet in an unnatural position and cause uneven weight distribution.  The lack of arch support and heel cushion can put excessive stress on your plantar fascia with flip flops. 

Plantar Fasciitis Treatment

Plantar Fasciitis TreatmentThe good news is that conservative treatments and rest will usually resolve most cases of Plantar Fasciitis. However, it may take 6 to 12 months.  Most people start with rest and nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen or aspirin, to decrease inflammation and reduce pain.  A steroid injection can also reduce inflammation and relieve pain, but multiple injections can actually weaken the fascia. 

Therapies often include physical therapy and night splints to stretch and strengthen your fascia.  Orthotics may be recommended to provide support and evenly distribute pressure on your foot.  A change of footwear to shoes that give structure and support to the foot is often helpful. 

Of course, decreasing your body weight and modifying your activities to reduce your fascia stress are also recommended.  When these conservative treatments fail, your doctor may recommend surgery to release the fascia from the heel bone or a non-invasive Extracorporeal Shockwave Therapy treatment.   

Alternative to Surgery

Alternative to SurgeryConservative treatments, time, and rest often heal most plantar fasciitis cases, but sometimes severe cases do not respond.  If your plantar fasciitis fails conservative treatments and you have been in pain for more than six months, the injury has become chronic. 

Your doctor may recommend invasive surgery, but you also have a non-invasive option.    OrthoWave® is FDA approved High-energy Extracorporeal Shockwave Therapy (HeSWT), a non-invasive alternative to surgery.  Only a single session of OrthoWave® is needed, and there is no downtime after your treatment, unlike surgery.  Since 2010, HeSWT is recommended over surgery by the College of Foot and Ankle Surgeons for its safety and efficacy. 

Conclusion

Hopefully, you have learned some of the causes of Plantar Fasciitis, along with ways to reduce your risk of developing it.  If you develop Plantar Fasciitis, numerous treatment options will get you back on your feet and doing the things you love again pain free.  Plantar Fasciitis may be common, but it is also preventable.  Listen to your body and take care of your feet, so you never have to deal with this painful condition. 

Author:

Roger Davis

Roger Davis is a Certified Registered Nurse Anaesthetist with over 25 years of medical experience in various specialties.  He earned his BSN from San Jose State and his MS from Georgetown University.  As a former athlete and retired Naval Officer, he enjoys helping others stay healthy and fit by leveraging his unique experience and knowledge. 

Roger Davis

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