Knee Zone (Zone 35): Foot Reflexology for Knee Pain

Where the Knee Zone Sits

Turn your foot so you are looking at its outer edge, the side with the little toe. Run a finger along that edge from the little toe back toward the heel. About halfway, the edge rises into a hard, rounded bump. You can feel it clearly through the skin, and in many people you can see it. That bump is the back end of the long bone that leads to the little toe (the fifth metatarsal).

Now keep travelling back toward the heel. Between that bump and the front of the heel bone, the edge of the foot dips. The dip is small, roughly the size of a thumb pad, and it sits low down, close to where the foot meets the floor. The manual we work from describes this place as a triangular hollow formed by that long bone and the heel. That hollow is the knee zone.

Under your thumb are three layers. On the surface is skin a little thinner and more sensitive than the skin of the sole. Below it, running the length of the outer edge, is the muscle that pulls the little toe outward (the abductor of the little toe). It is the soft padding you feel when you squeeze the edge between finger and thumb. Deeper lies a small, cube-shaped bone of the midfoot (the cuboid). A tendon from the outer calf muscles fastens onto the bony bump, and another curves under the cuboid to cross the sole.

The skin along this edge is supplied by a nerve that comes down the back of the calf and wraps behind the outer ankle (the sural nerve). The deeper tissue answers to a branch of the main nerve of the sole (the lateral plantar nerve). Both are well protected here, which is one reason this is a comfortable place to press.

Why This Area

In foot reflexology the whole body is drawn onto the feet, as if a person were sitting with their back against the inner edge of the foot. The big toe holds the head. The inner edge holds the spine. The outer edge holds the outer line of the body: the shoulder near the base of the little toe, then the elbow, then the knee, then the hip near the ankle. On that map, the knee lands in this hollow in front of the heel.

Let us say this plainly once. This is a map, not anatomy. There is no cord or vessel running from this dip to your knee. It is a teaching tool: it tells you where practitioners have agreed to press.

What we can say honestly is this. In foot reflexology this area is mapped to the knee, and practitioners commonly use it for knee ache, a stiff knee, and the knee that grumbles after stairs or a long walk. The manual lists knee injury, knee pain and inflamed knee joints among its uses. We make no claim about what it changes inside the knee.

Where This Map Comes From

In 1917 an American ear, nose and throat doctor, William Fitzgerald, published a book called Zone Therapy with the writer Edwin Bowers. Fitzgerald divided the body into ten lengthwise zones, five on each side, running from the head down to the tips of the fingers and toes. He believed that firm pressure on one part of a zone could dull discomfort elsewhere in the same zone. He tested the idea with his fingers and with everyday tools such as elastic bands and metal combs. His zones were long strips. He did not draw organs or joints onto the sole.

That step came in the 1930s, when the American therapist Eunice Ingham narrowed the work to the feet. She charted tender spots so that the foot became a small picture of the body: toes for the head, ball of the foot for the chest, arch for the belly, heel for the pelvis. The outer edge of the foot, in her kind of chart, became the outer edge of the body. That is where the knee ended up.

The method then travelled. From the 1980s onward foot reflexology spread widely in Taiwan, mainland China and Vietnam. Chinese manuals numbered the zones and listed uses for each. Gu Peide and Zhu Zuocai wrote a widely used Chinese manual. The Hanoi practitioner Nguyen Thanh Nhan set it into Vietnamese, with notes from his own practice, in 2020. Our page follows his numbering.

Two honest points to finish. First, this map does not appear in the ancient Chinese medical classics. Those texts describe channels that begin or end in the toes, but they contain no chart of joints and organs laid out on the sole. Second, charts from different schools do not always agree. Most place the knee on the outer edge near the heel, but the exact spot shifts a little from book to book. We follow one manual and say so.

Zones That Work With the Knee Zone

The area under both ankle bones. Feel for the hard knob on the outer side of your ankle, then the one on the inner side. The soft area under each knob is where this map places the hip and the thigh bone. Because hip and knee so often ache together, many people work the hip and thigh bone zone straight after this one.

The outer edge of the sole, from heel to bump. The map lays a band for the thigh along the outer edge of the sole, from the outer side of the heel forward to the bony bump. It runs right alongside this hollow, on the underside of the foot. Walk your thumb along it with the thigh zone when the ache spreads above the knee.

The band running up from the ankle. If the knee ache comes with pain running down the back of the leg, work the sciatic nerve zone as well. It runs from the ankle up along the back of the shin bones toward the knee. Read its safety notes first, because it sits on the lower leg.

How to Press the Knee Zone

Getting Into Position

Sit in a firm chair with your back supported. Rest one ankle across the opposite thigh, so the outer edge of the foot faces up toward you. If that is hard on the hip, rest the foot on a low stool instead. Lean forward from the hips and let your shoulders drop.

How to Find It

Put the pad of your thumb on the outer edge of the foot, behind the little toe. Walk it back along the edge, a little at a time, until you reach the hard bump halfway along. Do not press on the bump itself. Keep walking toward the heel. Past the bump the edge softens and dips, then the heel bone rises again. The dip between those two hard points is the place.

You will know it by feel. Most people describe a dull, heavy ache, sometimes a slightly bruised feeling, that is clearly more tender than the edge a finger-width either side. Some feel very little. If the spot feels like bare bone, slide down toward the floor a few millimetres into the softer tissue.

How to Press It

Use the pad of your thumb, not the tip, and keep your nails short. Wrap your fingers around the top of the foot so you can squeeze toward the thumb rather than pushing the whole foot away. If your thumb tires or aches, bend your first finger and use the flat of its middle knuckle instead.

Two rhythms work here. The steady hold: sink in over two or three seconds, stay there while you breathe out slowly, ease off over another two seconds, rest, repeat. Or small circles at the same depth, about the size of a pea, one circle a second. Keep the thumb anchored on the skin. Move the tissue underneath rather than sliding over the surface, which can rub the skin raw.

How Much Pressure

Start light, build slowly, and finish light. That is the rule in the manual, and it suits this spot. You want a clear, dull ache, never sharp. Check your breath. If you are holding it, ease off until it flows on its own. If your jaw is clenched or your shoulders have climbed, you are pressing harder than your body wants. Avoid leaning hard on the bony bump or the heel bone. Heavy pressure straight onto bone can leave a bruise.

How Long

Hold or circle for five slow breaths, rest for one breath, and repeat three times. That is about a minute and a half on each foot. Start on the foot on the same side as the sore knee, then do the other. Once or twice a day is plenty. If you are working several zones in one sitting, keep the whole session to about fifteen minutes.

When to Do It

Choose a time when you are sitting down anyway and have not eaten in the last hour. Many people like the evening, when the knee has done its work for the day. Others prefer the morning, before the first walk, when the joint feels stiff. After a long walk or a day of gardening, work it once you have sat and rested a few minutes.

What This Won't Do

It will not rebuild a worn knee, and it will not change what an X-ray shows. Studies of foot reflexology are mostly small, and none has shown that pressing one spot on the foot acts on one particular joint. What people report is more modest. A knee feels less stiff for an hour or two. Stairs feel a little easier. The ache is less loud while they settle for the night. Some feel a change in the first week. Some notice nothing at all. Both are real outcomes.

It does nothing about the cause of a knee that is getting worse. See a doctor promptly in these cases:

• The knee is hot, red and swollen.
• It locks, catches or gives way under you.
• You cannot put weight on it after a fall or a twist.
• The pain started suddenly and severely, without an injury.
• It comes with fever or with feeling unwell.

If your calf is also swollen, warm and tender, especially after a long journey or time in bed, go the same day. That needs checking for a blood clot.

Pressure work sits alongside medical care. It does not replace physiotherapy, exercises you have been given, or any medicine you have been prescribed, and it should never be the reason you put off an appointment.

Safety First

Do not press within an hour of a meal. Drink a glass of warm water afterwards. If you have kidney disease, keep that drink to about 150 ml. If you have diabetes, keep a session under 10 minutes and check your feet. If the feeling in your feet is poor, ask your doctor first. If you have a serious heart condition, keep each session under a minute. If you have varicose veins or have ever had a blood clot in the leg, do not press the lower leg or ankle. If the skin on your foot is cut, cracked, infected or has a fungal rash or an open sore, use the matching spot on the hand instead. This method is not suited to pregnancy or to the days of a period.

If you have arthritis, the knee and the zone may feel a little more tender for the first few days. That is common and not by itself a reason to stop. Stop and get checked if the feeling turns sharp, if numbness spreads, or if the leg feels weak. Read the full safety guide before you carry on.

Questions People Ask

Where is the knee reflex zone on the foot? It is on the outer edge of the foot, the little-toe side, low down near the floor. Halfway along that edge there is a bony bump you can feel under the skin. The zone is the small triangular hollow between that bump and the front of the heel. It is soft and slightly springy compared with the bone on either side.

Which foot should I work on? Both, but start on the side of the sore knee. If your right knee aches, work the right foot first, then the left so the two sides match. If both knees ache, do both feet and give a little more time to whichever foot feels more tender.

How long should I press it? Hold steady pressure for five slow breaths, rest for one breath, and repeat three times. That is about a minute and a half on each foot. Once or twice a day is plenty. Pressing harder or longer does not add anything.

Should my knee be bent or straight while I press? Whatever is comfortable. Some teachers suggest resting the leg at the angle where the knee usually complains, as long as you can hold that position without strain. If a position makes the knee throb, change it. Comfort comes first.

My knee is swollen. Can I still use this? If the knee is hot, red, puffy or full of fluid, have it examined first. A swollen knee needs a proper look, not pressure work. Once a doctor has told you what is going on and that gentle self-care is fine, you can work the foot zone alongside whatever they advise.

I find it hard to bend down to my foot. Is there another way? Yes. Sit in a chair and place a tennis ball on the floor under the outer edge of your foot, in front of the heel. Lean a little weight onto it and roll slowly back and forth. It is less precise than your thumb, but it reaches the same area without bending.

Other Zones on the Foot

These zones sit close by on the same foot and are often worked in the same sitting.

This page shares general information about a traditional practice. It is not medical advice and does not replace what your doctor has given you. If you are pregnant, managing a health condition, or unsure whether this applies to you, check with your doctor first.

The whole inner edge of the foot, laid out on one page with photographs, is in The Foot Map — the free book. For every zone on the foot, see the full foot zone index.

Prefer to work on your hands? See the hand pressure point library — 15 points you can press with your thumb, sitting in a chair.

(Zone shown: 35 · Knee zone · Khu phản xạ Đầu gối.)