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Most people notice their knees at a very specific moment. It's the second flight of stairs at the train station, or getting out of the car after the school run, or the first squat of a gym session that suddenly feels like someone has pushed a thumb into the front of the joint. Before that, the knee was just a knee. After it, you start planning around it.
Knee pain is one of the most common reasons people book a physio, and it is also one of the most confusing. The same word, "sore knee", covers a runner with an irritated kneecap, a 60-year-old with wear in the joint, a netballer who landed badly three weeks ago, and a warehouse worker whose knees have taken a few years of kneeling and squatting. They need different things. This guide goes through what's usually behind knee pain, how physiotherapy approaches each type, what a first appointment looks like, and how to tell when a knee needs more than exercises.
The knee is a hinge joint sitting between two long levers, the thigh bone above and the shin bone below. It has very little bony stability of its own. Instead it relies on ligaments to stop it sliding or twisting, two C-shaped pads of cartilage (the menisci) to spread load, and the muscles around it to do most of the controlling. The kneecap sits in a groove at the front and acts like a pulley for the big thigh muscle.
That design works well when everything is strong and load is introduced gradually. It also means the knee tends to complain when one of two things happens. Either something is injured suddenly, such as a twist, a fall or a bad landing. Or load creeps up faster than the tissues can adapt, which is the more common story. A new running program, a jump back into football after a few months off, a job with a lot of stairs or kneeling, a stretch of extra weight, or simply a long period of sitting followed by a big weekend. The knee doesn't have a dramatic moment. It just gets a little sorer each week until it's the thing you notice.
The knee also sits in the middle of a chain. Stiff ankles, weak hips, a tight calf or a foot that rolls in can all change how force travels through it. That's why a good knee assessment rarely stops at the knee.
Before getting into specific conditions, location is a useful first filter. It isn't a diagnosis, but it narrows things down.
This is the one most people with "runner's knee" or "jumper's knee" in the loose sense actually have. It's a dull, aching pain around or behind the kneecap that shows up on stairs, squats, hills, running, or sitting for a long time with the knees bent. People often describe it as hard to point to. They circle the whole front of the knee with a hand rather than tapping one spot.
It's common in active younger people but it isn't limited to them. Parents who've returned to exercise after a break, new gym members, people who've started walking a lot more, and teenagers going through growth spurts all show up with it.
The cause is rarely a single structural fault. It's usually that the joint between the kneecap and the thigh bone is getting more load than it's currently conditioned to handle. The fix is therefore usually strengthening and load management, not rest alone. Strengthening the quadriceps and the hip muscles (especially the gluteals) tends to be the backbone of treatment, with changes to how much running, squatting or stair-climbing is done while the knee settles. Taping, footwear changes or foot support are sometimes used as a short-term aid. They help some people and not others.
Recovery isn't instant. Many people feel better over several weeks of consistent exercise, and a few take a few months, particularly if the knee has been sore for a long time. If someone tells you it'll be gone in two sessions, be a little sceptical.
Osteoarthritis is a change in the whole joint, involving the cartilage, the bone underneath, the joint lining and the surrounding muscles. It's common as people get older, though it also follows earlier knee injuries or surgery. Typical features are stiffness for a short period after getting up or sitting for a while, aching after activity, occasional swelling, and a knee that feels less trustworthy on stairs or uneven ground.
One thing worth saying clearly: an X-ray showing "wear" does not automatically mean your pain is caused by that wear, and it doesn't mean your knee is going to keep getting worse. Imaging findings and pain don't line up neatly. Plenty of people have significant changes on a scan and manage well. Others have mild changes and a very sore knee. This is why physios focus on how the knee behaves, what it can do, and what's weak, rather than on the picture alone.
Exercise and education are the first-line approach recommended in Australian and international guidelines for knee osteoarthritis. That usually means a graded strengthening program for the thigh and hip muscles, general activity such as walking, cycling or water-based exercise, and weight management where relevant. Painkillers and, in some cases, injections or surgery sit alongside that, not instead of it. For anyone heading towards a knee replacement, building strength beforehand makes a real difference to recovery, which is covered in our guide to pre and post-operative physiotherapy.
For people who find land-based exercise too sore at first, warm-water exercise can be a gentler starting point. Our page on hydrotherapy in Truganina and Tarneit explains how that works.
The menisci are the two rubbery pads that cushion the joint. They can tear in a sudden twist, usually a planted foot with a rotating body, but they also wear and fray gradually, so a lot of meniscus findings are age-related and not new injuries at all.
Signs that point towards a meniscus problem include pain on the inner or outer joint line, pain with twisting or deep squatting, swelling that develops over a day or so, and sometimes clicking or catching. A knee that physically locks, so you can't fully straighten it, is a different matter and needs prompt medical attention.
Not every meniscus tear needs surgery. Many settle with a structured exercise program, particularly degenerative tears in older adults, and the evidence for exercise-first care in those cases is fairly solid. Surgery is more likely to be considered for a mechanical block (a true locked knee), for certain repairable tears in younger people, or when a good period of rehabilitation hasn't helped. A physio can assess which group you're in and refer on to a GP or orthopaedic surgeon if needed.
Ligament injuries usually come with a clear event. A pop or snap, immediate swelling, a feeling that the knee gave way, and difficulty putting weight through it. Football, soccer, netball and basketball are common sources locally, but a bad step off a kerb can do it too.
The anterior cruciate ligament (ACL) is the one most people have heard of. A rupture often leaves the knee feeling unstable during pivoting or sudden stops. Some people go to surgery, others follow a structured non-surgical rehabilitation path, and the right choice depends on age, activity goals, how much instability there is, and other damage in the knee. Either way, rehab is measured in months, not weeks, and return to sport should be based on strength and hop testing, not a calendar date. We've covered that process in more detail in our post on sports physiotherapy in Truganina and Tarneit.
Sprains of the medial collateral ligament (MCL) on the inner side of the knee are more common and usually heal well without surgery, although they take time and the knee needs protecting from sideways forces while they do.
Patellar tendinopathy, sometimes called jumper's knee, causes pain just below the kneecap, usually in people doing a lot of jumping or running. Quadriceps tendinopathy is the same idea just above the kneecap. Both tend to be sharp or aching with loading, stiff first thing, and sometimes better once warmed up and worse again afterwards.
Tendons respond to load, not to rest. Complete rest tends to leave the tendon weaker and the pain returns the moment activity resumes. A progressive loading program, which usually begins with holding positions and moves to heavier and then faster work, is the standard physio approach. It's slow. Tendon recovery is often measured in months, and getting the dose of exercise right matters more than doing it perfectly.
The iliotibial band is a thick strip of tissue running down the outside of the thigh and attaching near the outer knee. Irritation here shows up as outer-knee pain during running, particularly downhill or on cambered paths, and sometimes cycling. It tends to appear when running volume or hills increase quickly.
The treatment emphasis is similar to other overuse problems: reduce the aggravating load for a while, strengthen the hip abductors and the rest of the leg, check running technique and training changes, then build back. Stretching the band itself has a limited effect, since it's not really a stretchy structure.
Not every sore knee comes from sport. In an outer suburban area with a lot of building, logistics, warehousing and trade work, kneeling, squatting, climbing ladders and repeated stair work are routine. Knees take a lot of cumulative load in those jobs, and the pain tends to build across a working week and ease on weekends.
Office work isn't free of knee problems either. Sitting for hours with the knees bent can leave the kneecap irritable, and the first few steps afterwards can be stiff. Getting up regularly and keeping the thigh muscles strong helps more than most people expect.
If a knee problem is work-related, it may be worth knowing that a claim pathway exists. Our post on WorkCover physiotherapy explains how that process works in Victoria.
If you've never seen a physio about a knee, it helps to know what to expect. The first appointment normally runs in the same sequence.
A conversation first. The physio will ask how the pain started, whether there was an injury, what makes it worse and what eases it, whether it swells, locks or gives way, what your work and activity look like, and what you want to be able to do again. The answers to those questions usually point towards the diagnosis before anyone touches the knee.
Looking at how you move. You'll probably be asked to stand, walk, squat, step up on a box, balance on one leg, and maybe hop if the knee is up to it. These movements show how the knee, hip and ankle work together and often reproduce the pain you've been describing.
Hands-on testing. The physio checks range of movement, swelling, tenderness around the joint line and tendons, and runs specific tests to look at the ligaments and menisci. They'll usually also check the hip, ankle and lower back, since problems elsewhere can show up in the knee.
An explanation. You should leave knowing what's probably going on, whether imaging is likely to be useful, how long recovery tends to take for this kind of problem, and what you can and can't do in the meantime. A good explanation does a surprising amount of the work, since a lot of knee pain is made worse by fear of damaging the joint.
The start of treatment. Depending on the problem, this can include manual therapy to ease pain and stiffness, taping, a few exercises to start straight away, and advice on adjusting activity. For stubborn muscle tightness around the knee, some physios use dry needling as an add-on. It's an aid to exercise, not a replacement for it.
Wellcare Physio sees knee patients at both Truganina and Tarneit, and the wider list of what we offer is on our physiotherapy treatments page.
It's worth setting honest expectations here, because the pattern is consistent across most knee problems and it isn't glamorous.
Early on, the aim is to calm things down without letting the knee stiffen or the muscles waste. That often means finding a level of activity the knee tolerates, using simple pain relief strategies, and starting gentle movement and low-load strengthening.
Next, the focus moves to building strength. Typical exercises include sit-to-stands, step-ups, split squats, bridges, calf raises, and hip strengthening in side-lying or standing. The weights or resistance go up gradually. For most knee problems, strength through the quadriceps, hamstrings, glutes and calves is the main driver of improvement.
Then, the work gets closer to what you actually do. Walking hills, jogging intervals, changing direction, lifting at work, playing with the kids, whatever your goals are. This stage is where a lot of people want to stop because the knee feels fine, but it's the stage that makes a recurrence less likely.
Finally, there's a maintenance plan. Many knee problems come back if strength lapses, so a short list of exercises you can do at home or at the gym matters as much as the clinic sessions.
How long all of this takes depends on the problem. A mild flare of kneecap pain might be better in a few weeks. A tendon problem or a post-surgical knee takes months. Osteoarthritis is more about managing the knee well long-term than getting rid of it.
People often ask for "the exercises for knee pain" as if there's a standard list. There isn't, and doing the wrong ones can aggravate things. That said, a few types come up often enough to describe.
Mild discomfort during exercise is often acceptable and doesn't mean harm is being done. A physio will usually give you a rough guide, something like keeping pain below a certain level and checking that the knee isn't worse the next morning. If an exercise sharply flares the knee or the pain lingers for a day or two, tell the physio. The plan can be changed.
Often, no. Most knee problems can be diagnosed by talking to you and examining the knee, and exercise-based treatment starts either way. Imaging is more useful in specific situations: a suspected fracture after a fall or impact, a knee that locks or has given way repeatedly, a suspected complete ligament rupture, significant swelling after an injury, or pain that isn't improving as expected despite good rehabilitation.
An MRI can also show findings that are common in knees without symptoms, such as degenerative meniscus changes and cartilage wear, which can lead to worry or unnecessary procedures. That's one reason imaging is used selectively. If a physio thinks you need a scan or a specialist opinion, they can suggest that, and a GP referral is the usual route.
Physiotherapy is a good first step for most knee problems, and you don't need a referral to book. A few situations call for medical attention first.
If you aren't sure, ringing a GP or a nurse helpline is reasonable. A physio will also tell you if something looks like it needs medical review.
None of this replaces assessment, but a few habits are useful for most sore knees.
Keep moving within comfort. Gentle walking, cycling or swimming usually does more good than rest. Break long sitting spells with a short stand and a walk. Take stairs one at a time, leading with the stronger leg up and the weaker leg down, if the knee is irritable. Wear shoes that suit you and replace them when they're worn out. If you're returning to running or a sport after a gap, build up in steps. A common trap is doing in one weekend what the legs used to do across a month.
Heat or ice can help with comfort in the short term. Neither is a treatment for the underlying cause, so use whichever feels better and don't expect it to fix anything alone. And if you're carrying extra weight, even modest reductions reduce the load through the knees with every step, though that is a long game and not a prerequisite for starting rehab.
If the knee has just been hurt, the first days set the tone. The sensible goal is to protect it without wrapping it in cotton wool. Take weight through it as pain allows, use crutches for a day or two if walking is a limp, keep the leg up when resting to help swelling, and avoid the activity that caused the injury until it's been looked at. Gentle bending and straightening within comfort keeps the joint from stiffening. Compression with a simple bandage can make a swollen knee feel better.
Anti-inflammatory tablets are a topic people ask about. Inflammation is part of normal early healing, and routine use isn't automatically the right move. Whether they suit you depends on your health, other medications and the injury, so check with a pharmacist or GP before relying on them.
Book an assessment within the first week if the knee swelled quickly, felt unstable, couldn't be fully straightened, or if you couldn't walk normally after a few days. Early assessment makes it easier to tell a sprain that will settle from something that needs imaging or a specialist, and it gets the right exercises started sooner. Waiting weeks to see if it goes away is common, and it tends to make the knee weaker by the time it's looked at.
The question most people actually care about is when they can go back to doing what they enjoy. The honest answer is that it depends on the knee and not the calendar, but there is a reasonable way to think about it.
For walking, the knee should handle ordinary distances without a limp and without being sorer the next morning. For running, many physios want to see good single-leg strength, the ability to do repeated calf raises and step-downs without pain, and a comfortable fast walk before a first jog. A return-to-run plan then alternates short run and walk intervals every second day, increasing a little each week and pulling back if the knee flares. The knee tells you how it's coping, usually within 24 hours.
For sports with cutting and jumping, the bar is higher. Strength should be close to the other leg, hopping and landing should look controlled and feel confident, and you should have done some sport-specific drills before a full match. That's especially important after ligament injuries, where returning on a feeling of "it seems fine" is a common reason for a second injury. Our sports physio guide goes into how that testing works.
If you're not a sports person, the same logic applies to your own goals. Gardening for a whole afternoon, walking the dog around the block twice, carrying shopping up the stairs. Work out what you want the knee to do, and let the program build towards that.
Growing bodies get their own versions of knee pain. Osgood-Schlatter disease causes a tender lump just below the kneecap in active adolescents, usually during growth spurts, and tends to flare with running and jumping. Sinding-Larsen-Johansson syndrome is similar but at the bottom of the kneecap. Both are related to growth plates and tendons being pulled on during rapid growth. They usually settle with load adjustments and strengthening, and rarely need a complete stop from sport. A young person with a knee that is swollen, locked, or painful at night should be checked by a doctor.
Truganina and Tarneit have a lot of young families, active sporting clubs, and plenty of people working in physical jobs, so knees come through the door constantly. Getting to a clinic nearby makes the practical side easier. Knee rehab depends on regular appointments and consistent exercise, and a clinic that's hard to get to is one you stop going to. If you can't travel at all because of mobility or disability, mobile physio is an option, which is a different service and covered on our mobile physiotherapy page.
No. In Australia you can book a physiotherapist directly. A referral from a GP can help if you're using certain funding pathways or if you need imaging or a specialist opinion, but it isn't required to get started.
Short-term relative rest after a fresh injury is reasonable, but prolonged rest usually weakens the muscles around the knee and makes things worse. For most knee problems the aim is to stay active at a level the knee tolerates and build strength gradually.
Not by itself. Many healthy knees click. It's more of a concern if the clicking comes with pain, swelling, catching or a feeling of giving way.
Squatting is a normal movement and, for most people, a useful exercise. The depth, load and speed may need adjusting while a knee is sore, but avoiding squats forever isn't usually the answer.
It depends on the problem, how long you've had it and how consistently you do your exercises. Some people need a handful of visits over a few weeks, while tendon problems, ligament injuries and post-surgical rehab take longer. A physio can give you a realistic estimate after the first assessment.
Most knee problems don't. Exercise-based treatment is the first approach for the majority, including many meniscus tears and osteoarthritis. Surgery is considered for specific situations such as a locked knee, certain ligament injuries, or advanced joint damage that hasn't responded to good rehab.
They can make some people more comfortable or confident in the short term, particularly with kneecap pain or after a sprain. They aren't a substitute for strengthening, and what works varies from person to person.
Shorts or loose pants that can be rolled up above the knee, and comfortable shoes. Bring any scans, reports or surgical notes you have.
A small amount of discomfort during exercise is often fine, but sharp pain, swelling or a knee that is clearly worse the next day suggests the load was too much. Your physio can give you specific pain guidelines for your situation.
Knee pain has many causes, and the right treatment depends on which one you have. Sore kneecaps, tendon problems and early osteoarthritis usually respond to progressive strengthening and sensible load management. Meniscus tears and ligament injuries need a closer look at what's actually damaged and how the knee behaves. A small number of knee symptoms, such as a hot swollen joint, a locked knee, or a swollen painful calf, need medical attention first.
For most people in Truganina and Tarneit, the practical step is to get the knee assessed early instead of waiting months for it to sort itself out, then commit to the exercises. That's where most of the improvement comes from. If you'd like to get a sore knee looked at, you can book an appointment online.
