Definition: Known as the 'wear and tear' arthritis,Osteoarthritis (OA) is a slow progressive degenerative disease in which the joint cartilage and underlying bone gradually wears away. In severe cases when the joint cartilage (tough material that covers and protects the ends of bones) has worn away, the thickened bone ends rub against each other (bone on bone). This results in a deformity of the joint and normal activity becomes painful and difficult.

Mechanism of Injury

The exact cause of OA is unknown, joint damage can be due to repetitive movement (also known as 'wear and tear') or the result of an injury. Arthritis is the erosion of the cartilage, the part of the joint that covers the ends of the bones. Cartilage acts as a shock absorber and allows the joint to move smoothly. As cartilage breaks down, the ends of the bones thicken and the joint may lose its normal shape. With further cartilage breakdown, the ends of the bones may begin to rub together, causing pain.

Signs & Symptoms

  • Pain and/or swelling which is often worse in the morning
  • Stiffness or swelling in the joint making it difficult to straighten/bend knee
  • Increased pain after activity such as walking, stair climbing, kneeling, and sitting for prolonged periods
  • Muscle weakness around the joint


  • More common as we age
  • Family history of OA
  • Previous injury of the knee
  • Repeated stress on the joint such as heavy physical activity
  • Being overweight

Pedorthic Treatments

Custom made Orthotics can be an effective method to help reduce forces in the painful area and unload the damaged knee joint. Proper footwear is also essential to your recovery. Talk to your Pedorthist about proper footwear choices for you.

Other Treatment

  • Physiotherapy
  • Knee bracing
  • Viscosupplementation
  • Surgical intervention in extreme cases

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690 Belmont Ave W #101, Kitchener, ON N2M 1N6, Canada

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600 Princess St #102, Woodstock, ON N4S 4H4, Canada

(519) 539-1344

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Darlene is very professional and helpful. She's great at explaining options and appointments never feel rushed. After such a great experience with...

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Darlene is amazing!!!!!! So professional! She cares and it shows! My orthotics changed my life, I've been pain free for 6 years thanks to foot by...

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Unreal place. They fixed my aching feet. I could barely walk anymore till I made the appointment. I would recommend this place to everyone. Give them...

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Darlene was very professional and friendly. She was gentle with my feet and spent some time explaining what I needed and how to help my feet feel...

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Darlene was very thorough and professional. She explained our options and listened to our needs. Delivery and follow up was also fantastic! We will...

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