Why the knee is a simple structure
Your upper leg has one bone, the femur. Your lower leg has two, the tibia and the fibula. The knee is essentially the femur and the tibia, where they meet, and what holds them together.
The fibula is a special case. It is not firmly attached to the femur at all — the head of it can shift its position slightly on the tibia, much the way the radius does in your forearm. In the forearm you want that rotation. In the knee you want almost none of it.
The third bone is the patella, your kneecap, which floats in the quadriceps tendon and slides in a groove on the front of the femur as the joint opens and closes.
Then there are the parts that stop it twisting. Two menisci sit on top of the tibia. These are dense, rubbery wedges of cartilage, working as shock absorbers much as the discs in your spine or your jaw do. The ACL and PCL cross each other in an X inside the joint — anterior and posterior cruciate ligaments — and that crossing is precisely what allows hinging while limiting rotation. On the outside, the collateral ligaments hold the two bones together from either side.
Two bones, a kneecap, four ligaments, two discs. That is close to the whole of it, which makes the knee far simpler than a hip, a shoulder, a neck or a pelvis. It is also why the explanation for most long-term knee pain is usually found somewhere else.
What massage can and can’t do for knee pain
Think of knee problems as sitting on a spectrum from functional to structural.
At the functional end, massage can address the actual cause. Muscles crossing the joint are too tight, the alignment has drifted, the knee is being asked to rotate slightly every time it hinges, and the tissue around it is complaining. Release the muscles that are holding the twist, get the hip and the ankle alignments closer to neutral, and the pain frequently goes to nothing rather than being managed. That is not symptom relief — that is solving the root cause.
At the structural end, it cannot. A torn ACL, a ruptured meniscus, cartilage worn to bone — manual therapy does not rebuild any of those. What it can do there is manage pain while you decide what to do, and speed up recovery considerably once something has been repaired. Those are real and worth having. They are not the same claim.
The more functional your problem is, the more we are treating the cause. The more structural it is, the more we are managing symptoms and supporting a recovery that belongs to someone else such as a surgeon and physical therapist. I have worked with hundreds of cases at every point on that line, and a fair part of the first session is working out where yours sits.
Possible Causes for Your Knee Pain
Knee pain affects around 25% of adults, so whatever is going on with yours, you have a great deal of company. (StatPearls – NIH 2023) Here is a list of the most common causes for knee pain:
Tendinitis from muscles overworking
If there is a slight torque running through the knee, every muscle trying to counteract that twist works harder than it should. This causes a lot more tension on the tendons and their attachments on the bones. Over time, this usually produces tendinitis-type pain around the joint, often right on the attachment points. This is among the most workable things on the list. With a twist, this often shows up in one or both of these places: the pes anserine attachment on the point roughly an inch below and medial to the knee cap, or the biceps femoris attachment at the back of the outer knee.
Compression from tight quadriceps
The quadriceps attach below the knee at the tibial tuberosity, the bony knob on the front of your shin, and the kneecap floats in that tendon on the way past. When the quads are very tight, especially the deeper and powerful vastus intermedius, the whole joint gets compressed hard, and that alone produces localized pain just above the kneecap. The attachment on the tibial tuberosity can also exhibit tendonitis pain.
Patellar tracking syndrome
The kneecap is supposed to slide in a groove on the femur. If it shifts sideways — usually laterally — and the knee is twisted slightly as it hinges, the edge of the patella grinds against the edge of the femur rather than running down its track. When this is largely due to muscles twisting the knee due to a misaligned ankle, realigning the ankle then releasing the twist can help the patella to track properly and pain goes away. However, if the tracking problem has led to a grinding down of the bones, a weakness or break to the ligaments holding the patella in the track, or other structural problem, we may only be able to manage symptoms.
This one often starts young. A growth spurt in the high school years lengthens the femur faster than the muscles adapt, which loads the joint. Especially if there is a preceding ankle sprain that results in, you guessed it, a twist in the knee. Osgood-Schlatter syndrome shows up in the same window for related reasons.
Runner’s knee
Also called patellofemoral pain syndrome. It accounts for 25 to 40% of sports-medicine knee complaints, and it responds quite well to the same approach — rebalance what is above and below, decompress the joint, let it hinge where it was designed to. With a few sessions and work on form and gait improvements this can usually be solved in a way that lasts and doesn’t come back.
Ligament tears
The classic ACL tear is a fast twist. Your ski catches and your body rotates the other way. A cleat stays stuck in the turf during a slide tackle and your lower leg stops while the rest of you keeps turning. That stretches the ACL open hard and fast and tears it partially or completely. This can also cause MCL tears as well.
PCL tears are much harder to produce, because they require the knee to buckle backwards, which it is specifically designed never to do — and the PCL is denser than the ACL to begin with. A tackle from the front, or a car striking at knee height. They happen. They are far less common.
The collateral ligaments can also wear rather than tear. A runner or cyclist with a slight persistent twist in the knee is mildly overstretching one of them on every stride for years.
When any of the ligaments in your knee is torn, they weaken and do less of a solid job holding the joint alignment in place. This in turn can lead to other issues including the tendonitis ones listed above and some of the wear and tear issues listed below. Long after a tear, the pain usually comes less from the ligament itself than from what the lost support does to the muscles, tendons and bone around it.
Meniscus wear and tear
The menisci are softer than the ligaments, so they generally give out first. A meniscus can tear or fray, and from there the joint can grind down toward bone on bone.
I had a client whose medial meniscus eventually wore away to nothing. The likely cause was a combination of issues with his big toe including gout and the loss of his sesamoid bones, which caused a (you guessed it again) twist in the knee to compensate and take weight off the big toe.
Without a meniscus, you could take his lower leg and move it sideways far enough to feel the bones separate and then reseat and “clock together” when you released it — not painful, and not something we were doing hard or often, but the cushion that should have been in there simply was not. Once you have a structure that is bone on bone, things wear down fast from there in a way that makes a knee replacement a “when” not an “if.” He had his knee replacement within the year, and we worked on the recovery together.
Osteoarthritis
Sustained compression wears cartilage, cartilage loss leads to arthritic change in the bone, and that becomes a common source of knee pain with age. Osteoarthritis itself can be symptom-free all the way up to highly painful. While bodywork can usually help reduce and manage symptoms, the structure will likely continue to wear down until a knee replacement becomes the current best option.
Hyaluronic acid injections — hyaluronic acid is part of what makes up cartilage and the joint’s lubricating fluid — help some people with symptoms, though the evidence that they slow the wear itself is mixed. Further out, a federally funded research program called NITRO is backing several university teams working on treatments that could regrow knee cartilage and bone, including a living 3D-printed knee replacement. So far they have been tested only in animals and donated knees, with first human safety trials hoped for within about two years — which means we are probably years to a decade away from anything widely available, assuming they work in people as promised. In the meantime, a combination of medical massage and PT is helpful at all stages of decline and then after surgery to speed recovery.
Why it is usually not the knee
This is the part people find surprising.
Unless you have had a genuine impact injury, long-term knee pain is usually there because the knee is being forced to rotate slightly — and that rotation is coming from the foot and ankle below or the hip above.
The anatomy makes this almost inevitable. The femur does not run straight down; it angles, and the whole structure of hip, thigh and lower leg sits at a series of angles that only looks straight because of the muscle filling the space. Plenty of the muscles that position the hip also cross the knee. The rectus femoris, one of the quadriceps, crosses both joints. It is genuinely difficult to isolate the knee from the hip and the ankle, because functionally they are not separate.
Working the knee will make it feel better. Working above and below it is what makes that last.
There are a couple of specific structural quirks worth knowing about too. The hamstring tendons and the calf tendons cross each other behind the knee and are supposed to glide past one another; sometimes they adhere, and there are specific techniques for helping them glide better. And your IT band is dense ligamentous tissue that is not supposed to be stretchy — when you foam-roll it, what you are usefully doing is unsticking the quad muscle underneath it, the vastus lateralis, which is supposed to glide beneath it. Trying to make the IT band itself stretchier is working against its job.
Can massage make knee pain worse?
It can, in two specific ways.
The first is mobilising without stabilising. If we loosen everything around a joint that needs support and nothing gets strengthened afterwards, one of two things happens: it reinjures, or it simply tightens straight back up. That is the argument for pairing this work with physical therapy rather than choosing between them, and it is covered below.
The second is the back of the knee. There is a soft pocket behind the joint with a major nerve and a cluster of blood vessels running right through it. Popliteus, the small muscle that initiates bending, sits across that area. It is not somewhere to dig into, and not somewhere to work on yourself. We work the edges of it, not the middle to avoid dangerous direct pressure on the nerves and blood vessels.
When to get it looked at first
If your knee pain came from a high-impact injury — a car accident, a skiing fall, a tackle — and it hurts badly enough that you cannot put weight on it, get it imaged before booking massage. That combination needs structural damage ruled out first.
Slow-building knee pain with no specific event behind it is a different situation, and that is most of what this post is about.
What treatment actually looks like here
It varies, but a few things are consistent.
Quite often the session is face up the entire time, which surprises people — including for hamstrings, which can absolutely be reached that way. The aim is to work every muscle around the femur, plus the top of the lower leg, so the joint decompresses and can find its neutral again. Some realignment work at the ankle usually comes with it.
The whole goal is to get the hip sitting over the knee, the knee sitting over the ankle, and the hinge working in its proper plane rather than rotated out of it. When that happens, most knee problems quiet down a great deal or go away.
On the functional side, that typically takes a few sessions, sometimes five to eight.
After knee surgery or a knee replacement
For a minor arthroscopic procedure — the sort where worn fragments floating in the joint capsule get cleared out — recovery is quick, and massage gets people back into training fast.
For a full knee replacement, recovery runs four months at a minimum and sometimes as long as twelve. Massage therapy has helped a lot of my clients get there considerably faster.
How this fits with physical therapy
If you are recovering from a replacement you will likely be seeing a physical therapist one to three times a week for the first four to six weeks, sometimes twelve. At that frequency, I’d suggest seeing one of us roughly every three weeks.
The two do different jobs and they work in sequence. Physical therapy is a gradual process of stabilising everything around the joint, and it often does not feel like it is moving fast. We loosen the structure and take the available range up a level. You go back to physical therapy and stabilise the new range. Then we move it again.
Neither half gets the full benefit alone. Mobilise without strengthening and you either reinjure or tighten back up. Strengthen without mobilising and everything gets tight, and the pain tends to move from one part of the knee to another rather than resolving. Done together they compound.
We can also help you work out where on the spectrum you are, and whether you need a conversation with a surgeon or a physical therapist alongside this.
Common questions
Can massage fix a torn meniscus or a torn ACL?
No. Those are structural, and no manual therapy rebuilds them. What massage can do is manage the pain while you work out what you want to do, and speed up recovery once the repair has happened. Both of those are real. Neither is the same as fixing the tear.
Why does my knee hurt when I never injured it?
This is the most common version of the question, and the usual answer is that the knee is not where the problem started. It is a hinge being asked to rotate slightly, generally because of how the foot and ankle below it or the hip above it are sitting. The knee is where you feel it, not where it began.
How many sessions will this take?
For muscular and alignment-driven knee pain, usually a few, sometimes five to eight. Post-surgical recovery runs longer and is paced around what the physical therapy is doing. If several sessions produce nothing at all, that is useful information too, and worth saying out loud rather than continuing.
Should I do this instead of physical therapy?
No — alongside it. They do opposite and complementary jobs, and the combination works better than either alone. If you are post-surgical, physical therapy is the primary work and we fit around it.
Is it safe to work on the back of the knee?
Not in the middle of it. There is a major nerve and significant blood vessels running through that pocket. The edges are workable; the centre is not, and it is not an area to work on yourself.
Where this leaves you
If your knee pain arrived with a specific injury, the first question is structural, and the answer may involve a surgeon. If it built up over months or years without a clear event, the odds are good that it is functional — and that the fix is above and below the joint rather than only directly on it.
Either way, the useful first step is finding out which, and that is something we can tell you.
David Weintraub, LMT – Owner, Bodyworks DW Massage Therapy
Related reading: Massage for Knee Pain, ACL Post-Op & Patellar Tracking · Knee Replacement Recovery · Massage for Hip Pain · Plantar Fasciitis & Heel Pain · Tendonitis
Sources: Knee Pain, StatPearls – NIH (2023)
