Zhiyang (GV9): The Spine Point Between the Shoulder-Blade Tips, for a Stiff Mid Back and Tight Sides

Where Zhiyang Sits

This point sits on the centre line of the spine, in the middle of the back. It lies in the small, soft gap right below the seventh bump of the upper back. With your arms hanging, a line joining the lower tips of the two shoulder blades crosses the spine at about this level, which makes it one of the easiest spine points to find.

It belongs to the line that Vietnamese and Chinese texts call the Governing Vessel. That line runs straight up the middle of the back. It starts at the tip of the tailbone, climbs the spine, crosses the back of the neck, passes over the top of the head and comes down the face to end at the upper gum. This point is its ninth stop, counting from the tailbone.

The old texts place it below the seventh vertebra, counting from the one just under the big knob at the base of the neck. The modern standard from the World Health Organization says the same in today's words: in the depression below the spinous process of the seventh thoracic vertebra, on the posterior midline. The spinous processes are the bumps you can feel down the middle of your back. The lower tips of the shoulder blades are a handy guide, but shoulders differ, so always check by counting the bumps too.

Under the skin, between two bumps, runs a strong cord of ligament tying the tips of the bumps together. On each side lie the lower part of the broad, flat shoulder muscle (the trapezius) and the long muscles that keep the spine upright (the erector spinae). The skin here is served by small back branches of the seventh thoracic nerve. Inside the bony ring of the vertebra, well protected, runs the spinal cord. That is why you press into the soft gap, never onto the bone with force.

Why This Spot

On the anatomical side, this point sits at the hinge of the back, where the stiffer upper back, held by the ribs, meets the more flexible lower back. Strain gathers at such hinges. When the upper back rounds with age and the lower back stiffens, the middle takes the load, and many people feel a dull, deep ache right on the spine between the shoulder-blade tips. The nerves from this level also run around the chest wall toward the front, so tension here is often felt as a tight band along the ribs.

In this tradition, the back is the yang side of the body, and the part above the diaphragm is the most yang of all. This point sits where the spine reaches that upper part. Teachers describe it as a crossing between the chest above and the belly below. When the flow through this crossing is held up, people feel a stiff mid back, a tight, full ache along the ribs on both sides, a heavy stomach, and sometimes a sigh that will not come. Pressing here is the traditional way to open that crossing.

The name says as much. Zhi means to reach or arrive; yang is the warm, active side of the body. Its Vietnamese name, Chí Dương, means the same.

What the Old Texts Say About Zhiyang

The Systematic Classic of Acupuncture and Moxibustion, the Jiayi Jing, compiled by Huangfu Mi in the third century, places this point in the hollow below the seventh vertebra, on the centre line. The location has not moved in seventeen centuries.

The Vietnamese handbook of points and channels by Ngô Trung Triều, published by Hồng Đức, gives the same place and adds the practical landmark: where the line joining the lower tips of the two shoulder blades meets the centre of the spine. It lists the point for cough and wheezing, pain of the shoulders and back, a stiff neck, stomach ache, pain between the ribs, and inflammation of the liver and gallbladder. The last two are conditions for a doctor, not for pressing. The rest of the list paints a clear picture: a stiff middle back, tight sides, and an unsettled stomach.

In the wider tradition, this is the point teachers reach for when a person rubs their sides and says their ribs feel tight, as if their clothes are too small. It is also pressed for a heavy, uncomfortable stomach, and for the deep ache that sits on the spine itself rather than beside it. It is often worked with the two points on each side of it at the same level, and with a point on the outer leg below the knee for pain along the ribs. That reputation rests on long use rather than proof.

Points That Work With Zhiyang

The first partner sits on each side of this point, at the same level, two finger-widths out from the spine. It is the back point for the diaphragm in this tradition. The three spots, centre and both sides, sit in a row, and are worked together when the whole mid back aches. A tennis ball reaches the side points easily.

The second sits two bumps lower, also two finger-widths out from the spine on each side. It is the back point for the liver in this tradition. Pair it with this one when a tight ache runs along the ribs or the mid back feels tense and hard.

The third is on the outer side of the lower leg, in the hollow just in front of and below the small round head of the outer leg bone, a little below the side of the knee. It is easy to reach in a chair. In this tradition it is the leg point most used for an ache along the ribs, and it pairs well with this one.

How to Find and Press Zhiyang

Getting Into Position

Be honest with yourself about reach. Very few people can press the middle of their own spine with their hands. That is normal. For a point on the centre line, a stick with a rounded end, reached over the shoulder, lets you put the tip right into the gap. A tennis ball between your back and a wall also works, with feet about a foot out from the wall and knees soft, though the ball is wider than the gap. If someone at home can help, they can press with a thumb tip while you sit on a stool, leaning slightly forward.

How to Find It

Stand or sit with your arms hanging. Reach across and behind with one hand, or ask someone at home, to feel the lower tip of each shoulder blade, where its two edges meet. Imagine a line joining the two tips. Where it crosses the spine, you will feel a bump. Check by counting: from the big knob at the base of the neck, this should be about the seventh bump down. Slide off the bottom of it into the soft gap below.

Press into the gap and move in tiny steps, a little up, a little down, a hair to each side of the centre. Much of it will feel like dull pressure. One spot will sting: a small, sharp, pinpoint tenderness deep in the gap. That spot is the point. Hunt for the spot that stings, because that is the one. If what you feel is hard and bony, you are on the bump; move down into the softness.

How to Press It

Once you are on the stinging spot, stay on it. With a stick, hold the handle steady with both hands and make small circles with the rounded tip, about the size of a pea, roughly one each second, keeping the tip in the gap. With a tennis ball on the wall, bend and straighten your knees a little so the ball rubs in small circles. Rounding your back slightly opens the gaps between the bumps. Do not press hard onto the bony bumps themselves.

How Much Pressure

A sharp sting in the gap is right. Stay on it. When you lift off, it should fade within moments. If the pain stays after you lift off, spreads, or the area turns swollen, hot or red, stop and leave it for several days. Stop at once for any pain that shoots around the ribs or any tingling or numbness. If you are holding your breath, you are pushing too hard to keep going. Lighten the weight on the stick or step closer to the wall, until you can breathe slowly through the sting while staying on the spot.

How Long

One to three minutes. Keep the first sessions to about a minute, because the ligament between the bumps can feel bruised the next day. Add a little time over the following days, up to three minutes. Once or twice a day is plenty. Longer sessions bring more soreness, not more benefit.

When to Do It

Late afternoon suits the mid-back ache that builds after standing, cooking or carrying. If your stomach feels heavy, wait an hour or so after eating, then press. Before bed is a good time too, as part of winding down. Do not press in the middle of the night. If an aching back wakes you in the small hours, getting up to find a stick will only wake you further. Keep the pressing for the day and the evening.

What This Won't Do

It will not undo changes in the spine, and it will do nothing for the liver or gallbladder as organs. Pressing can ease tight, tender tissue and give you a few minutes of relief, which is real and worth having. What changes a mid back over months is plainer: walking most days, gentle twisting and side-bending, breaks from sitting, carrying loads close to the body, and eating smaller evening meals if your stomach feels heavy. This point works best as one small part of that.

It is no substitute for a diagnosis. Call emergency services at once for sudden mid-back or chest pain with pressure in the chest, breathlessness, sweating, sickness, or pain spreading to the arm or jaw. See a doctor the same day for pain under the right ribs with fever or sickness, or for yellowing of the skin or the whites of the eyes. See a doctor promptly for pain after a fall, especially with thin bones, for back pain that is worse lying still at night, for pain with weight loss you cannot explain, and for a painful rash in a strip around one side of the chest.

Safety First

Do not press over skin that is broken, burned, infected, badly bruised or rashy. Leave this point alone after a recent back injury or fall, with a known fracture in the spine, after recent spinal surgery, or with unexplained swelling or a lump. If you have thin bones, take blood thinners or bruise easily, use a soft ball, lean in less, keep sessions short, and ask your doctor first. Never jab a hard stick onto the spine.

Stop at once if pain stays after you lift off, spreads, or brings tingling, numbness or weakness. Nothing here requires you to push through pain that lingers. 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 Zhiyang (GV9) pressure point? Zhiyang (GV9) lies on the centre line of the spine, in the gap below the seventh bump of the upper back. With your arms hanging, it sits where a line joining the lower tips of the two shoulder blades crosses the spine. In Vietnamese it is called Chí Dương.

How do I press a point on my spine that I cannot reach? Most people cannot reach the middle of their own back, and that is normal. A stick with a rounded end, reached over the shoulder, lets you put the tip into the gap. A tennis ball against a wall also works, though it is wider than the gap. Someone at home can press with a thumb tip while you sit on a stool.

Can Zhiyang (GV9) help a tight ache along my ribs? In this tradition Zhiyang (GV9) is commonly used for a tight, aching feeling along the ribs on both sides and a stiff mid back. Many people find the ache softens after pressing. Pain under the right ribs with fever, sickness or yellowing of the skin or eyes needs a doctor the same day.

Is it safe to press on the spine? Yes, if you press into the soft gap between two bumps and not onto the bone. If you have thin bones, a known spinal fracture or a recent fall, leave this point alone and ask your doctor first.

How long should I press Zhiyang? One to three minutes. 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.

What does Reaching Yang mean? In this tradition the back is the yang side of the body, and the part above the diaphragm is the most yang of all. This point sits where the spine reaches that upper part. The name marks a place on the old map, not a promise.

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: GV9 · Zhiyang · Reaching Yang · Chí Dương.)