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Beating osteoarthritis knee pain: Beyond special shoes

Posted By Heidi Godman On August 1, 2016 @ 9:30 am In Exercise and Fitness,Health,Osteoarthritis,Pain Management | Comments Disabled

We have plenty of fairy tales about shoes that work magic in people’s lives: glass slippers that brought love to Cinderella, and sparkly red heels that gave Dorothy powers in MGM’s version of The Wizard of Oz.

In real life, footwear magic is limited to “unloading” shoes that may help relieve knee pain from osteoarthritis. These unloading shoes have stiffer soles, and slightly tilted insoles that reposition the foot, intended to reduce (or unload) strain on the knee. But a study published online July 12, 2016, in Annals of Internal Medicine suggests that unloading shoes are no better than a good pair of walking shoes at making pain disappear.

About the study

Researchers randomly assigned 164 people with knee arthritis (age 50 or older) to wear either new unloading shoes or new conventional walking shoes every day for six months. By the end of the study, it appeared that both types of shoes were equally effective at reducing pain and improving physical function, with pain reduced an average of about 25%, and function improved by about 22%. It didn’t prove that both shoes are equally effective, but an editorial accompanying the study says the findings highlight “the promise of simple biomechanical interventions” to address knee pain.

Both shoes used in the study cost $180. But custom-made unloading shoes, and even custom-made insoles that can be inserted into a shoe, can cost many hundreds of dollars.

What to look for in a walking shoe

If you’re going to try a walking shoe to reduce your knee pain, look for certain features, such as:

  • a “stability-type” sneaker with a rigid sole and supportive insole
  • a slightly curved “rocker” sole that helps distribute the body more weight evenly as you walk. This sole may not be right for you if you have balance problems.

And remember that fit is important, too. Seek out:

  • a wide, roomy toe area (what shoe salespeople call the toe box)
  • length at least half an inch beyond your longest toe
  • a sturdy area around your heel (called a heel counter), so your foot stays in place and doesn’t slip around, which can cause friction and pain.

“Most of the sneaker brands make this shoe (New balance, Brooks, Saucony, Asics), so they are widely available. The take home here is that any supportive, rocker-bottom type shoe makes walking with knee osteoarthritis easier,” says Dr. Holly Johnson, an orthopaedic surgeon and instructor at Harvard Medical School. “The other important thing is that keeping physically active is so crucial to bone and joint health. If the shoes make people feel better when they walk, and therefore they walk more, this leads to so many health benefits. Find something comfortable and go with it.”

Other options

Walking shoes aren’t the only way to relieve knee pain without surgery. “I see success stories without surgery every day,” says Dr. Clare Safran-Norton, Clinical Supervisor of Rehabilitation Services at Harvard-affiliated Brigham and Women’s Hospital.

Her top recommendations include:

  • Physical therapy: Dr. Safron-Norton suggests that a person with knee arthritis undergo at least three months of physical therapy as a first line of treatment. The program should include a series of exercises to strengthen and stretch the muscles that support the knee.
  • Weight loss: Shedding pounds reduces the pressure you place on your knee. That’s significant, since the force you place on your joints can be up to six times your body weight.
  • Injections: Corticosteroid injections can temporarily reduce pain and swelling, which can make it less painful to take part in physical therapy.
  • Acupuncture: The studies about whether acupuncture relieves knee pain are mixed, but Safran-Norton says the treatment is helpful to some people. “If the problem is pain, it may work. If the problem is biomechanical or weak muscles, it probably won’t.”
  • Supplements: Research has provided mixed results on chondroitin and glucosamine supplements to relieve pain, but Safran-Norton says some of her patients feel the pills make a difference. Chondroitin sulfate helps to keep cartilage from deteriorating. Glucosamine stimulates cartilage formation and repair.

Don’t expect these things to work magic overnight. “You’ll feel a difference after going to physical therapy once or twice a week for two-to-four weeks,” says Safran-Norton. The rest of the methods are used best in conjunction with physical therapy, not in place of it, she advises.

With a little trial and error, you have a good chance of finding knee pain relief without surgery — and you may get a fairy tale ending. If knee pain persists, you may need to speak with an orthopaedic expert about surgery. But save that for a last resort.

Related Information: The Joint Pain Relief Workout: Healing exercises for your…


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