Knee Pain on Stairs: Why It Happens and How to Make Stairs Easier

For many people, stairs are where knee trouble first shows up. Walking on flat ground feels fine, but the first flight of steps brings a sharp twinge, a dull ache or a feeling that the knee might give way. That is not a coincidence: on every step the knee bends further and carries your whole body weight on one leg, so it has to work much harder than on level ground.

The good news is that small changes in how you climb can make a big difference.

Going up or going down: why it matters

Pain when going up usually comes from the effort of pushing your body upwards. The thigh muscles pull hard on the kneecap and press it against the thigh bone behind it. If the joint surface behind the kneecap is irritated or worn, you feel it at the front of the knee.

Pain when going down is often even more common. Now the thigh muscles work as brakes, keeping the knee under control as it bends under load. This braking work tires weak muscles and puts extra stress on the kneecap and the tendon below it. Many people with osteoarthritis notice that going down is the harder direction.

The most common causes

• Irritation behind the kneecap. A dull ache around or behind the kneecap that gets worse on stairs, when squatting or after sitting for a long time.
• Osteoarthritis. Stiffness, especially in the morning, and pain that builds with load. Stairs are often one of the first activities that become difficult.
• Weak thigh and hip muscles. When the muscles do not hold the knee steady enough, the joint takes more of the load and the knee may drift inwards on each step.
• An irritated tendon below the kneecap. Pain at one spot just under the kneecap, often in people who jump, run or suddenly do more than usual.

7 ways to make stairs easier

• Up with the good, down with the sore. Going up, step first with the healthier leg. Going down, lower the sore leg first. That way the stronger leg does the hard work in both directions.
• Use the handrail. It takes part of the load off the knee and gives you safety. Feel free to use it every time.
• Put your whole foot on the step. Standing only on your toes or the front of the foot makes the knee work harder.
• One step at a time. On bad days, bring both feet onto each step before you take the next one. It is slower, but much gentler.
• Keep the knee in line with your toes. Watch that the knee does not drift inwards as you step up.
• Slow down, especially going down. Slow, calm steps are easier on the joint than quick ones.
• Wear stable shoes and keep the stairs well lit. A firm sole and good light help make every step a safe one.

Exercises that help on stairs

Stronger thigh and hip muscles take load off the joint. Start gently and stay within a comfortable range of motion:

• Sit to stand: stand up from a chair and sit back down slowly, 8 to 10 times.
• Low step-ups: holding the handrail, step onto the bottom stair, then step down slowly, 8 to 10 times per leg.
• Straight leg raise: lying on your back, lift the straight leg to the height of the other, bent knee, 10 times per leg.

Mild discomfort during exercise is fine, but the pain should not be worse the next day. If it is, do fewer repetitions.

Warmth and support for the knee

A soft knee sleeve with even pressure does not replace stronger muscles, but many people find that the gentle pressure and warmth make them feel more secure on stairs, especially on cold mornings. If the pain sits in a specific spot, our guides on pain on the inner side, the outer side and behind the knee can help you narrow down the cause.

When to see a doctor

• the knee suddenly gives way or locks
• the knee is clearly swollen, warm or red
• you cannot put weight on the leg after a fall or a twist
• the pain keeps getting worse instead of better, even with rest and care
• the pain does not ease after 14 days

Painful stairs are a signal, not a verdict. With the right technique and a little strength work, most people find that stairs become easier again.

A sleeve you will actually wear

The best sleeve is the one that does not end up in a drawer. The KeenTrove Bamboo Knee Sleeve is made for exactly that:

• soft, breathable bamboo, comfortable even in summer
• fits snugly but does not dig in behind the knee
• does not lock the knee, so you move naturally
• wear it under your clothes during the day and in bed at night

With 60 days to get your money back, you have nothing to lose.

See the bamboo knee sleeve →

Note: this article is for information only and does not replace an examination by a doctor. If you have circulation problems or diabetes, or have recently had knee surgery, talk to your doctor before wearing compression.