Your big toe does more work than you might think. Every time you take a step, it bends upward as your heel lifts and your body rolls forward over the foot. When the joint at the base of the big toe starts to wear out, that simple motion becomes stiff and sore, and you feel it on every walk, every stair and every time you crouch down.
Doctors call this hallux rigidus, which simply means a stiff big toe. It is a form of arthritis, and it is one of the most common arthritic problems in the foot for adults over 50.
What it feels like
- Pain and stiffness at the base of the big toe, especially when pushing off while walking.
- Difficulty bending the toe upward, which you may notice when kneeling, squatting or climbing stairs.
- A firm, tender bump on the top of the joint that rubs against the top of your shoe.
- Swelling or a deep ache after a long day on your feet.
- Walking on the outside of your foot to avoid the sore joint, which can lead to aches elsewhere.
Why it happens
Like other arthritis, hallux rigidus develops as the smooth cartilage covering the ends of the bones thins and the joint becomes irritated. The body responds by building extra bone around the edges, which is the bump many people feel on top. That extra bone also acts like a doorstop, limiting how far the toe can bend.
Common contributors include an old injury such as a stubbed or jammed toe, the inherited shape of the foot and joint, years of high-impact activity, and inflammatory conditions such as gout or rheumatoid arthritis. Often it is a combination.
How a podiatrist evaluates it
An exam shows how far the toe moves, where it hurts, and how you walk. X-rays show the joint space and any bone growth, which helps stage the arthritis. Mild, moderate and advanced cases are managed differently, so this step matters.
Treatment that keeps you moving
The goal is to reduce how much the joint has to bend with each step and to calm the irritation inside it. Many people do well for a long time with conservative care:
- Stiffer-soled shoes, or shoes with a rocker bottom, so the shoe rolls forward instead of the toe bending.
- Custom orthotics or rigid inserts designed to limit motion at the big toe joint.
- Shoes with a deeper, roomier toe box so the top of the joint is not rubbed.
- Padding to protect a tender bump on top of the joint.
- Anti-inflammatory medication when your physician says it is appropriate for you.
- Injections into the joint for flares, in selected cases.
- Activity adjustments, such as cycling or swimming in place of long walks on hard ground during a painful stretch.
When the joint is more advanced and conservative care is no longer enough, surgery can remove the extra bone, reshape the joint, or fuse it so it no longer moves painfully. These are big decisions, and the right choice depends on your activity level, your goals and the condition of the joint.
Individual results vary, but many patients find that the right combination of footwear and inserts takes the edge off enough to get back to daily walks.
Another option worth knowing about
For a stiff, painful big toe joint that has not responded to standard care, and for people who would like to avoid or delay surgery, your Heelex podiatrist can discuss further non-surgical options. One of these is low-dose radiation therapy through our affiliated radiation clinic, an outpatient treatment aimed at the inflammation in arthritic joints. Your podiatrist can help you decide whether it is a reasonable fit.
If your big toe has been stiff and sore for a while, or you have noticed a bump on top that your shoes keep finding, schedule a visit with our podiatry team in Knoxville. Earlier attention usually means more options.