Dr. William Knudson Offers Advice on Getting Your Feet Flip-Flop Ready

Dr. William KnudsonSummer is right around the corner and that means hibernating toes are about to experience a breath of fresh air. Here, Dr. William Knudson touches base on foot care with advice on how to feel confident when your feet are finally free.

Practice with a Pumice

A pumice stone is a foot’s best friend all year, says Dr. William Knudson. But it is especially important in the spring and summer months when feet are exposed. Soak feet in warm water, infused with black tea or Epsom salt, for about 15 minutes. Pat dry then carefully smooth away calloused and cracked skin.

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Running into Pain | Dr. William Knudson

running-shoe-371625_640Dr. William Knudson says running is a fantastic way to stay healthy. It burns plenty of calories, improves cardiovascular function, and can help tone and tighten out-of-shape leg muscles. However, running is also a high-impact activity and can lead to serious foot, ankle, or leg injuries. Here, Dr. Knudson addresses common running injuries.

Q: What is Achilles tendinitis?

Dr. William Knudson: Achilles tendinitis refers to an injury of the Achilles tendon, which is the tissue that connects the heel bone and calf muscle. It requires a medical diagnosis and often resolves within weeks. It is a common injury in adults and teenagers who play sports that involve running, especially for those who partake in physical activity only occasionally. Key symptoms are tenderness and pain in the heel.

Q: How is Achilles tendinitis different from sesamoiditis?

Dr. William Knudson: Sesamoiditis is an overuse injury that affects the forefoot. It results from repeated trauma to the sesamoid bones which are located behind the big toe. The sesamoid bones provide leverage and act as a weight-bearing surface. In addition to running, sesamoid bone injuries are common in those who play football, tennis, basketball, and golf.

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Dr. William Knudson | PRP Helps the Body Heal Naturally

Dr. William KnudsonDr. William Knudson describes platelets as the blue collar workers of the blood. They are the cells that do the hard work of repairing soft tissue upon injury. Now, advancements in pain management mean doctors can harness the power of the platelet to promote growth and heal injuries using the body’s own defense system.

Plasma Rich Platelet therapy, or PRP, is an advanced treatment method that involves extracting platelets from the blood and injecting them directly into an injured area, Dr. William Knudson explains. The procedure usually lasts under three hours per visit, including preparation, injection, and recovery time. Performed in-office without the use of anesthesia, most patients report returning to regular activities the same day. PRP therapy is spread out over the course of six months. During this time, the attending physician will monitor pain levels and check for new, healthy growth in the damaged area.

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Q&A with Dr. William Knudson: Lyme Disease is a Public Health Problem

Dr. William KnudsonLyme disease is the fastest infectious disease on the planet.  The Centers for Disease Control and Prevention estimate that every year 300,000 Americans are infected with the disease.  Below, Dr. William Knudson explains Lyme disease symptoms, treatment and prevention.

Q: Where does Lyme disease occur?

 Dr. William Knudson: Although Lyme disease has been found in many states, more than 95 percent of cases come from the Northeast to upper Midwest, ranging from Maine to Virginia.

Q: How does a person get Lyme disease?

 Dr. William Knudson: You can get Lyme disease from a black-legged deer tick.  The

tick jumps on the person and inserts its pincers into the skin. It then stays attached and feeds off the blood. In return, the tick injects the bacteria Borrelia Burgdorferi into the person.

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Heel Pain Doesn’t Have to Be an Uphill Battle, According to Dr. William Knudson

Dr. William KnudsonPodiatrist Dr. William Knudson offers information on causes, symptoms, and treatment of the most widespread types of heel pain.

Heel pain is definitely an uncomfortable situation, says Dr. William Knudson. The most common reasons for what is known as plantar fasciitis are usually related to poor foot structure. Not surprisingly, people who tend to have issues with flat feet or high arches are more prone to foot pain issues.


According to Dr. William Knudson, there are many factors that contribute to plantar fasciitis. Wearing non-supportive footwear while standing on rigid surfaces puts an abnormally high amount of stress on the plantar fascia. Obesity and a lack of exercise may also contribute. Continue reading

Q & A with Dr. William Knudson – Winter Foot Conditions

Dr. William KnudsonIn the wintertime, Dr. William Knudson must address the importance of maintaining healthy winter feet so that his patients avoid issues and injuries that may arise during this season. In the following Q & A, Dr. Knudson presents several examples of foot problems that could occur and offers suggestions for treatment.

Q: Why are my feet at greater risk during the colder months?

Dr. William Knudson: Opportunities to experience a foot injury or condition are higher as a result of participation in winter sports like figure skating, ice hockey, snowboarding and skiing. While these activities are physically and mentally stimulating, they can also be wreaking havoc on your feet.

Q: What are the most common afflictions that your patients typically face during winter?

Dr. William Knudson: Raynaud’s Phenomenon is a regular occurrence. When feet experience a lack of oxygen and blood supply due to sudden drops in temperature, the feet may present with discoloration, blistering and pain. This condition is more common in young females. In order to prevent Raynaud’s Phenomenon, avoid caffeine and smoking that constricts the blood vessels. Continue reading

Dr. William Knudson on Winterizing the Feet

Dr. William KnudsonAs the weather turns colder, feet may develop cracks and thick, dry skin, says noted podiatrist Dr. William Knudson. Foot care tips and tricks that have worked during the summer months may not always apply when feet are exposed to warm socks, central heating and other drying effects.

To counteract these drying effects, Dr. William Knudson advises his patients to follow three simple steps – protect the feet, exfoliate more and moisturize more.

Protect the Feet

As a way to keep feet dry, Dr. Knudson recommends keeping a pair of clean socks handy in case feet get sweaty and hot during the course of the day. Wear socks made of cotton or a cotton blend to prevent moisture from causing significant problems. Continue reading