Fine During the Match, Sore on the Drive Home: Understanding Knee Pain in Tennis Players and How Physical Therapy Can Help

If you have ever pushed up out of a deep lunge for a wide ball and felt something object at the front of your knee, sat down at the changeover and found the first two steps back onto court unwelcoming, or driven home from a Saturday match and needed a moment before getting out of the car, you already know the particular shape of knee pain in tennis players. It is rarely dramatic. It is just always there afterward.

Here is the part that surprises people. When 3,656 recreational players in the Netherlands—average age 49—were surveyed over six months, they reported 4,047 injuries, and four out of five were overuse rather than one bad moment. This is not mostly a sport of dramatic accidents. It is a sport of things that accumulate.

The good news? The front-of-knee version is one of the better-studied problems in sports medicine, and the treatment with the best support behind it is something you can usually build alongside your season rather than instead of it.

At Rooted Motion Physical Therapy, we believe the question worth asking is not how much you played but what your knee had to absorb, and how quickly. Let us look at what this pain usually is, why it turns up when it does, and what the evidence supports.

What Is Knee Pain in Tennis Players Usually?

In younger players it is most often patellofemoral pain—pain around and behind the kneecap, where the kneecap runs in its groove on the thigh bone. The current clinical practice guideline describes it as coming on gradually rather than from one moment, aggravated by loading the leg, and able to recur and persist for years if left to its own devices.

That qualifier matters. In middle-aged and older recreational players, meniscal and degenerative cartilage problems become more common, and they do not have the same plan—so front-of-knee pain at fifty is worth having looked at rather than assumed.

The tell is that you cannot point at it. Ask someone where a patellar tendon problem hurts and they put a fingertip on a spot; ask about this and they cup a hand over the whole kneecap.

Three different places at the front of the knee, and three different problems.

Why Does It Show Up After the Match and Not During It?

Because the thing that loaded your knee was not the running. It was the stopping.

Tennis is not an endurance sport that happens to involve a racquet. It is a long series of short accelerations, each one ended by a hard deceleration on a planted foot. Load through the kneecap generally rises as the knee bends under weight—which is roughly the position you are in at the bottom of a lunge, or in the split second after you have stopped moving toward the ball and have not yet started back.

During the point, adrenaline and a warm joint cover a lot. Sitting still afterward is when a joint that has absorbed all of those stops tends to tell you. That is why the drive home is such a reliable moment.

Imagine Catching a Hard Ball

Catch a fast ball with rigid hands and it stings. Let your hands travel back with it and it does not. Same ball, same energy—what changed is how long you gave yourself to absorb it. The sting comes from the rate, not the total.

The key idea. Your knee is not counting the balls you hit. It is absorbing every stop you make, and how gently that lands depends on the time and the muscle you have to spread it out.

Does the Court Surface Really Matter?

It changes how you move, and that much is measured. Filmed making a 180-degree turn, the same players landed with more knee bend on clay than on an acrylic hard court—about 33 degrees against 21—and stayed more upright. A second study varied clay friction directly and found that when players could slide, loading rates fell.

Now the qualifications, because they matter more than the finding. These were ten and sixteen players, measuring how people move rather than who got injured. A longer brake also asks MORE of the muscles, not less, because they control the stop for longer. And a separate study of sliding surfaces found something uncomfortable for a tidy story: sliding lowered the load at the ankle and RAISED it at the knee. The joint this article is about may not be the joint that benefits.

The same movement, made differently depending on what is underfoot.

Then there is the question of whether any of it shows up as injuries, and the best answer available is mostly no. In those 3,656 recreational players, injury rates did not differ significantly between hard court, clay and two artificial grasses. Hard court did carry more lower-limb overuse injuries specifically. And the one finding with a practical edge to it: the players who moved between several surfaces had more overuse trouble than those who stayed on one.

So the honest summary is narrower than the headline. A hard court gives you less time to make each stop, which is worth knowing. But no study shows clay prevents front-of-knee pain, and if you are going to change something, changing surfaces constantly looks worse than picking one and preparing the leg for it.

What Does the Research Recommend for Knee Pain in Tennis Players?

Here is where we have to be straight with you about something.

There is no trial of patellofemoral pain treatment in tennis players. Not a small one, not an old one. The sport-specific treatment trials that exist are in runners, plus one recent one in sprinters; everything else comes from mixed clinical populations. So anybody telling you what the research says about tennis knees specifically is extending it further than it goes. What follows is good evidence about this diagnosis in general, applied with judgement to a racquet-sport player.

The direction is consistent and it is not complicated. A 2024 best practice guide built on 65 high-quality trials in 3,796 people concluded that exercise aimed at the knee—usually with hip work alongside it—underpinned by education is the primary treatment. Everything else is an optional addition chosen to suit the person.

Exercise and education first. Everything else is a tailored addition.

One finding changes what you should expect. A network meta-analysis of 22 trials found that adding a physical treatment to education clearly beat education alone at three months—but that by twelve months, education alone had caught up. That is not an argument for doing nothing. It is an argument for seeing rehabilitation as what buys back the season you are currently in the middle of, which for a league player is the point.

One thing is genuinely new. A 2026 review pooling eleven trials in 508 people looked at blood flow restriction training—light loads while a cuff partly restricts blood flow to the limb. It found immediate reductions in pain during squatting and step-down tasks, still measurable 45 minutes later, and modest gains in knee strength. The same review found no difference in how people rated their own knee function, and its authors urge caution because protocols varied and long-term data are thin. Read it as a supervised option for someone not yet tolerating heavy loading.

What About a Knee Strap, or Taping?

They are the first thing most players buy, and the evidence is weaker than their popularity suggests. A 2024 review of 45 trials in 2,023 people compared exercise plus an add-on against exercise alone. Knee taping, a knee brace, whole-body vibration and EMG biofeedback did not measurably improve pain or function beyond what the exercise was already doing. Certainty was very low, so the honest reading is “not shown to help” rather than “proven useless”.

There is a distinction worth drawing, though, because it explains why taping appears on both sides of the ledger. The 2024 best practice guide lists taping among the additions worth tailoring to a particular person; the review above tested it as a standard extra handed to everyone. Those are different questions, and only the second one has a clear answer. So if a strap or a strip of tape makes a match feel manageable while you build the leg underneath it, that is reasonable—just do not mistake it for the treatment, and do not expect a generic one to do what a fitted one might.

Everyday Tips That Can Help

• Notice when it hurts, not just that it hurts. After the match, on stairs, or during the point itself are three different pieces of information.

• Look at back-to-back match days first. Two hours Saturday and two Sunday is a different ask from four spread across a week.

• Warm up the stopping, not just the hitting. A few progressively harder changes of direction prepare the leg for what the match will demand.

• Do not test it by playing. A knee that feels fine hitting flat forehands has not been asked the question that provokes it.

• If you also run, read our article on runner's knee—same diagnosis, different sport, different decisions.

The Rooted Motion Difference

A problem that behaves well in a clinic and badly on a court is one you want assessed closer to the court. We provide one-on-one mobile care throughout Richmond, Henrico, Chesterfield and Midlothian, so the later stages happen where you actually load the leg.

Working with us, you can expect:

• A one-on-one assessment of the knee, and of the hip and ankle that share every stop with it.

• Attention to how you decelerate, not only to how strong the leg tests.

• A loading plan built around your league schedule rather than a generic week.

• Honest separation of what the evidence supports from what is clinical judgement.

• A clear account of what should change, and roughly when.

• Guidance on straps and taping, including when they are worth using.

• Convenient concierge mobile physical therapy delivered where you are.

Because recovery is not just about settling a sore joint—it is about helping you get back to the game you actually want to play.

Ready to Play a Full Match Without Paying for It?

Whether this started mid-league, after you added a second night a week, or with no obvious trigger at all, you do not have to guess your way through it. An assessment that looks at how your leg handles a stop, followed by a plan built for that, is what changes the direction of travel.

Contact Rooted Motion Physical Therapy to schedule your one-on-one evaluation and begin a personalized recovery plan.

Research Used for This Article

1. Neal BS, Lack SD, Bartholomew C, Morrissey D. Best practice guide for patellofemoral pain based on synthesis of a systematic review, the patient voice and expert clinical reasoning. British Journal of Sports Medicine. 2024;58(24):1486-1495. DOI

2. Winters M, Holden S, Lura CB, Welton NJ, Caldwell DM, Vicenzino BT, Weir A, Rathleff MS. Comparative effectiveness of treatments for patellofemoral pain: a living systematic review with network meta-analysis. British Journal of Sports Medicine. 2021;55(7):369-377. DOI

3. Willy RW, Hoglund LT, Barton CJ, Bolgla LA, Scalzitti DA, Logerstedt DS, Lynch AD, Snyder-Mackler L, McDonough CM. Patellofemoral Pain. Clinical Practice Guideline. Journal of Orthopaedic & Sports Physical Therapy. 2019;49(9):CPG1-CPG95. DOI

4. Renström AF. Knee pain in tennis players. Clinics in Sports Medicine. 1995;14(1):163-175

5. Pluim BM, Clarsen B, Verhagen E. Injury rates in recreational tennis players do not differ between different playing surfaces. British Journal of Sports Medicine. 2018;52(9):611-615. DOI

6. Starbuck C, Damm L, Clarke J, Carré M, Capel-Davis J, Miller S, Stiles V, Dixon S. The influence of tennis court surfaces on player perceptions and biomechanical response. Journal of Sports Sciences. 2016;34(17):1627-1636. DOI

7. Starbuck C, Stiles V, Urà D, Carré M, Dixon S. Biomechanical responses to changes in friction on a clay court surface. Journal of Science and Medicine in Sport. 2017;20(5):459-463. DOI

8. Nigg BM, Stefanyshyn DJ, Rozitis AI, Mundermann A. Resultant knee joint moments for lateral movement tasks on sliding and non-sliding sport surfaces. Journal of Sports Sciences. 2009;27(5):427-435. DOI

9. Hou C, Liu Z, Wang C, Wang J, Zhou H, Ma X, Huang S, Tao J, Xiong Z. Effects of blood flow restriction exercise interventions on patellofemoral pain syndrome: a systematic review and meta-analysis. Frontiers in Physiology. 2026;17:1859305. DOI

10. Souto LR, De Oliveira Silva D, Pazzinatto MF, Siqueira MS, Moreira RFC, Serrão FV. Are adjunct treatments effective in improving pain and function when added to exercise therapy in people with patellofemoral pain? A systematic review with meta-analysis and appraisal of the quality of interventions. British Journal of Sports Medicine. 2024;58(14):792-804. DOI

Educational disclaimer: This article is for general education and is not a substitute for an individualized evaluation. Seek prompt medical care if your knee locks or catches so that it will not fully straighten; if it gives way so that the leg buckles under you; if it swelled noticeably within a few hours, or after a specific twist or blow; if you cannot put weight through it; or if it is hot and red, or you have a fever.