Futu (ST32): The Front Thigh Point for an Aching Knee and Heavy, Numb Legs

Where Futu Sits

This point sits on the outer front of the thigh, two four-finger widths above the upper outer corner of the kneecap. It lies on an imaginary line that runs from that corner of the kneecap up toward the small bony point at the front of the hip.

The line it belongs to runs down the front of the body. It starts below the eye, travels down the face and neck, crosses the chest and belly, and runs down the front of the thigh to the knee. Below the knee it follows the outer side of the shin to the top of the foot and ends at the second toe. Vietnamese and Chinese texts call it the Stomach channel. This point is its thirty-second stop, the main one on the front of the thigh.

The landmarks are the kneecap and the front of the hip. The World Health Organization's 2008 standard places the point six body-units above the base of the kneecap, on the line between its outer end and the bony point at the front of the hip (the anterior superior iliac spine). At home, you do not need to count units. Use your own hand. Four fingers held together, measured across the knuckles, make three units. Two of those widths make six. So: from the upper outer corner of the kneecap, lay four fingers across the thigh, then four more above them. The point is at the upper edge of the second width.

The Vietnamese handbook by Ngo Trung Trieu describes the same place in terms of muscle: six units above the upper outer corner of the kneecap, at the outer edge of the long muscle down the middle of the front thigh (the rectus femoris) and the inner edge of the broad muscle on the outer thigh (the vastus lateralis). If you tighten your thigh, you can often feel a shallow groove between the two. That groove is a useful check.

The skin here is served by branches of the nerve that runs down the front of the thigh (the femoral nerve), from the second and third lumbar roots. The muscles underneath straighten the knee every time you stand up from a chair, climb a step or walk downhill. In a knee that hurts, they often weaken and tighten at the same time.

Why This Spot

On the anatomical side, the thigh muscles are the knee's main support. The two muscles that meet at this point pull on the kneecap from above and steer it as the knee bends and straightens. When the knee aches, people tend to stop using these muscles fully, and they become sore, stringy and tender. Pressing here works on the knee from above, through the muscles that hold it.

In this tradition the Stomach channel carries a great deal of flow down the front of the leg, and its points on the thigh are commonly used for legs that feel cold, heavy, weak or numb, and for knees that ache. This point is the main stop on the front of the thigh, and the old books turn to it for the whole lower limb as well as the knee.

The name describes the shape. When the thigh is tensed, the thick muscle on the front swells up like a rabbit crouched on the ground, and the point sits on its back. The Vietnamese name, Phục Thỏ, means the same: the crouching rabbit.

What the Old Texts Say About Futu

The point is recorded under this name in the Systematic Classic of Acupuncture and Moxibustion, the Zhenjiu Jiayi Jing, compiled by Huangfu Mi in the third century. That book places it six units above the kneecap, on the raised muscle of the front thigh. Later standards kept the same height and only made the line clearer, tying it to the bony point at the front of the hip.

The Vietnamese handbook of points and channels by Ngo Trung Trieu, published by Hong Duc, lists it for numbness and weakness of the lower limbs, for knee joint inflammation, and for itchy rashes. The first two entries follow the line of the channel down the leg. The last reflects a wider idea in this tradition, that some points on the thigh help the skin as well as the limb.

The same handbook places it six units above the upper outer corner of the kneecap, between the long muscle down the middle of the thigh and the broad muscle on its outer side. This page uses the finger-width measure to find that height, because it is the easiest to repeat on your own leg: four fingers, then four more, from the corner of the kneecap.

In the wider tradition, teachers often use this point with the two lower points on the same line, one a little above the kneecap and one below the knee, as a group for an aching knee and legs that will not carry you as they used to. That habit comes from long use rather than proof. It tells you the point was trusted by many hands, over many generations, for the stiff, heavy, tired legs that so many people know in their sixties and seventies.

Points That Work With Futu

The first partner sits lower on the same line. From the upper outer corner of the kneecap, measure about three fingers up the outer front of the thigh, and probe in the shallow groove there. In this tradition it is commonly used with this one for an aching knee, and the two lie close enough to work in the same sitting.

The second sits below the knee, on the front of the shin. From the dip at the outer lower edge of the kneecap, measure four fingers down and move one finger out from the shin's sharp edge. It is used with this one when the legs feel heavy and tired as well as sore.

The third sits on the inner thigh. From the upper inner corner of the kneecap, measure about three fingers up, onto the rounded bulge of muscle there. It is used with this one for a knee that aches on both sides, and the two can be held at the same time, one on each side of the thigh.

How to Find and Press Futu

Getting Into Position

Sit on a firm chair with your feet flat and your knee bent to roughly a right angle. Let the thigh muscles go soft; do not press your heel into the floor. If sitting is uncomfortable, lie on your back with a pillow under the knee. Both positions keep the muscle relaxed, which matters on a thick part of the leg.

How to Find It

Run your fingertip around the edge of your kneecap until you find its upper outer corner. Lay the four fingers of one hand together across the thigh, the lowest finger touching that corner. Mark the upper edge with your other hand. Now lay the four fingers again, right above the first width. The upper edge of that second width is the height you want, on the line running up toward the small bony point at the front of the hip.

Set a rounded-tip pressing tool there, or the tip of your thumb with the nail cut short. This is a large block of muscle, so do not jab. Let the tip sink in slowly over a few breaths as the muscle softens, then move in small steps. Most of it will feel thick and ordinary. One spot will sting: a small, sharp, pinpoint tenderness. That spot is the point. If you feel a burning or tingling over the skin of the outer thigh, lift off and move a little inward.

How to Press It

Keep the tip on the stinging spot and rub in small circles, about the size of a fingernail, roughly one each second. Aim the pressure straight into the thigh, toward the bone. Let the tip settle deeper over time instead of pushing harder. Keep it on the same spot; do not let it slide over the skin.

How Much Pressure

The thigh can take more pressure than the hand or the neck, but reach it slowly. Sharp under the tool is right; that small sting tells you that you are on the point. When you lift off, the sting should fade within moments. If the pain stays after you lift the tool, if it spreads, or if the area turns swollen, hot or red, stop and leave it for several days. If you are holding your breath or clenching your jaw, you are pressing too hard. Ease off until you can breathe slowly through the sting.

How Long

Work each leg for one to three minutes. In the first sessions keep to about one minute. As the days go on, add a little time, up to three minutes. Do both legs, even when only one knee complains. Once or twice a day is plenty. Pressing longer does not add benefit; it mostly adds soreness.

When to Do It

Morning suits knees and legs that are stiff on waking, before you get going. Late afternoon suits a knee that aches after walking, stairs or standing. Before bed is a good time too, as part of winding down, especially when the legs feel cold and heavy. Do not press in the middle of the night. If an aching knee wakes you, pressing then tends to wake you further. Keep the pressing for the day and the evening.

What This Won't Do

It will not remove the reason your knee aches or your legs feel numb. With knees, the reason is often wear in the joint, weak thigh muscles, extra weight, or an old injury. With numb or heavy legs, it can be a nerve pinched in the lower back, poor circulation, low levels of some vitamins, or the side effect of a medicine. A point on the thigh will not undo any of that. Pressing works best alongside the plain things: strengthening the thigh muscles, regular walking, losing a little weight where needed, and shoes that support you.

It will not replace a diagnosis either. A knee that is suddenly hot, swollen and red needs to be seen, especially with a fever. So does a knee that gives way, locks, or will not take your weight after a fall. One leg that is suddenly swollen, warm and painful needs urgent assessment, because it can mean a clot in a deep vein. Numbness that spreads, weakness that makes you trip or drag a foot, or numbness in the groin with trouble passing water needs to be seen the same day. Pain that worsens week on week belongs with a doctor.

Safety First

Do not press over skin that is broken, burned, infected, badly bruised or rashy, or over varicose veins. Leave the area alone with a recent fracture, a fresh muscle tear, unexplained swelling, or a plate, pin or implant under the skin. Skip this point if the knee is hot and swollen, or if you had knee or hip surgery recently, and ask your surgeon when you may start. If you take blood thinners, bruise easily, have a bleeding disorder, or have reduced feeling in your legs, use lighter pressure, keep sessions short, and talk to your doctor first.

Stop at once if the pain stays after you lift off, spreads, or if the area becomes swollen, hot or red. Stop too for any burning, tingling or numbness. Nothing here requires you to push through pain. For the full list of cautions and the situations where pressing on yourself is not appropriate, read the full safety guide before you begin.

Questions People Ask

Where is the Futu (ST32) pressure point? Futu (ST32) sits on the outer front of the thigh. Find the upper outer corner of your kneecap. Lay four fingers together across the thigh above it, then four more fingers above those. The point is at the upper edge of the second width, on the line running up toward the small bony point at the front of the hip. In English it is called the Crouching Rabbit; in Vietnamese, Phục Thỏ.

The thigh muscle is thick. How hard should I press Futu? Do not push hard at once. Set the rounded tip on the area and let it sink in slowly over a few breaths, as the muscle softens. Then search for the small spot that stings. Thick muscle needs patience more than force.

How long should I press Futu? One to three minutes on each leg. Keep the first sessions to about a minute, then add a little as the days go on, up to three. Once or twice a day is enough. Work both legs, even if only one knee aches.

Can Futu help with numb, heavy legs? In this tradition Futu (ST32) is commonly used for legs that feel cold, heavy, weak or numb. Numbness has many causes, including nerve problems from the back, poor circulation and some medicines, so mention numb legs to your doctor. Pressing can sit alongside that, not in place of it.

Whose hand do I measure with? Your own. The four-finger width is measured across the knuckles of your own index, middle, ring and little fingers held together. Because it uses your own hand, the measure grows and shrinks with your own body, which is why it works for tall and short people alike.

Should I press it if my knee is swollen? Not if the knee is hot, swollen and red, or if you had knee or hip surgery recently. A knee that has puffed up and turned warm needs to be seen by a doctor first.

Other Points in This Library

Each of these sits within reach of the same hand. They 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 point in this library, see the full pressure point index.

(Point shown: ST32 · Futu · Crouching Rabbit · Phục Thỏ.)