Basketball Knee Pain: Common Causes & How to Prevent It

Knee pain is one of the most common problems basketball players deal with—from middle-school athletes going through growth spurts to adults who have played for decades.

A large review of nearly 13,000 basketball injuries found that 17.8% involved the knee, making it one of the most commonly injured areas of the body. In one study of collegiate basketball players, 43% reported knee problems, and 60% experienced anterior knee pain during a single-leg decline squat test.

Personally, I can relate. I had various knee injuries and bouts of knee pain during my high school and college playing years.

An important point to keep in mind when it comes to knee pain and basketball players is this:

“Knee pain” is not a diagnosis. Different knee problems have different causes and require different solutions.

Common Causes of Knee Pain in Basketball Players

Patellar Tendinopathy — “Jumper’s Knee”

The patellar tendon connects the kneecap to the tibia and repeatedly absorbs force during jumping, landing, sprinting and deceleration.

When workload exceeds what the tendon can tolerate, patellar tendinopathy can develop.

In one study of male collegiate basketball players, approximately 21% met criteria for patellar tendinopathy, while about one-third showed structural tendon abnormalities on ultrasound.

Patellofemoral Pain Syndrome (PFPS)

PFPS usually causes pain around or behind the kneecap during movements such as:

• Running

• Jumping

• Squatting

• Stairs

• Prolonged sitting

Anterior knee pain is especially common in younger basketball players. One study of 810 adolescent players found anterior knee pain in approximately 25% of knees evaluated. Though PFPS is not the only cause of anterior knee pain.

Osgood-Schlatter Disease

Osgood-Schlatter disease occurs in growing athletes where the patellar tendon attaches to the tibial tuberosity, the bump just below the knee on the upper part of the shin bone.

Repetitive running and jumping can irritate this developing area, causing pain and sometimes a prominent bump below the kneecap.

Another growth-related condition, Sinding-Larsen-Johansson syndrome, occurs where the patellar tendon attaches to the bottom of the kneecap.

Quadriceps Tendinopathy

The quadriceps tendon attaches the quadriceps muscles to the top of the patella.

Like patellar tendinopathy, repetitive jumping and high training loads can irritate this tendon, except the pain is usually located above the kneecap instead of below it.

ACL and MCL Injuries

Ligament injuries are less common than everyday anterior knee pain, but almost always much more serious.

The ACL helps control rotation and forward movement of the tibia and can be injured during:

• Cutting

• Decelerating

• Landing

• Sudden changes of direction

Basketball is a significant ACL-risk sport. NCAA surveillance data have also shown substantially higher ACL injury rates in female athletes than males.

The MCL, located along the inside of the knee, is more commonly injured through contact or forces pushing the knee inward.

Meniscus Injuries

The medial and lateral menisci are cartilage structures that help distribute force through the knee.

Meniscal injuries may occur with:

• Twisting

• Pivoting

• Deep knee positions

• Contact injuries

Symptoms can include joint-line pain, swelling, catching or locking.

Other Sources of Basketball Knee Pain

Not every painful knee has damaged tissue inside the knee itself.

Pain can also come from:

• Fat-pad irritation

• Plica irritation

• IT-band or pes anserine irritation

• Referred pain from the hip or surrounding musculature

• Less commonly, bone or osteochondral injuries

That is why persistent knee pain deserves an actual assessment rather than automatically labeling everything “jumper’s knee.”

Read more: [Most Common Basketball Injuries and Why They Happen]

Why Basketball Players Develop Knee Pain

Most basketball knee injuries come back to a basic concept:

The demands being placed on the knee exceed the body's ability to handle them.

1. Jumping and Landing

Every landing requires the ankle, knee and hip to rapidly absorb force.

Poor landing control, inadequate strength or fatigue can shift excessive load toward the knee.

Read: [Landing Mechanics for Basketball Injury Prevention]

2. Cutting and Deceleration

Basketball isn't played in straight lines.

Hard stops, defensive slides, closeouts and changes of direction require large braking forces. The athlete needs enough strength and neuromuscular control to absorb those forces without allowing the knee to collapse or rotate excessively.

3. Too Much Workload Too Quickly

Tournaments, camps, AAU weekends and sudden increases in practice volume can quickly increase:

• Jump count

• Sprint volume

• Tendon loading

• Total knee stress

This is particularly important with tendinopathies.

The answer isn't avoiding workload forever. Players should gradually build enough capacity to tolerate progressively greater basketball workloads.

Read: [Why Basketball Players Get Injured: It's Not Bad Luck]

4. Not Enough Strength

Your muscles are shock absorbers.

The quadriceps, hamstrings, glutes and calves all help absorb and redistribute basketball forces.

Strength-training research across sports consistently shows a meaningful injury-prevention benefit, and basketball-specific reviews support multicomponent programs incorporating strength and neuromuscular training.

Read: [Beginner Strength Training Guide for Hoopers]

5. Problems Above or Below the Knee

The knee lives between the hip and ankle.

Restricted ankle dorsiflexion can alter landing mechanics, while inadequate hip mobility, hip strength, foot control or trunk/pelvic stability can change how forces travel through the knee.

Sometimes the painful knee is where the problem shows up—not necessarily where the problem started.

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Build a More Durable Basketball Body

If your knees, ankles or hips constantly feel beat up or you simply want to build your body before those problems start, our 2-Week Basketball Body Durability Program is the easiest place to begin.

It gives you a simple, basketball-specific plan designed to improve mobility, strength, movement quality and durability.

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How to Help Prevent Basketball Knee Pain

You cannot prevent every knee injury. Basketball is fast, physical and unpredictable.

But you can reduce risk.

Focus on:

Train landing, cutting and deceleration. Practice controlling force instead of only training how high or fast you can move.

Build strength. Train the quads, hamstrings, calves, glutes and trunk so the body has enough capacity for basketball.

Progress workloads gradually. Don't go from minimal activity to five games in a weekend and expect the knees to love it.

Maintain ankle and hip mobility. Give the body enough usable range of motion to distribute forces efficiently.

Use a purposeful warm-up. Basketball research supports neuromuscular warm-ups combining strength, balance, agility and movement training for reducing lower-extremity injuries. Read our [Best Warm-Up for Basketball Injury Prevention].

Prioritize recovery. Sleep, nutrition and adequate recovery between high-load sessions help the body adapt instead of continually accumulating fatigue.

Knee Pain Isn't All the Same

One player's knee pain may be patellar tendinopathy. Another may have patellofemoral pain. A growing athlete may have Osgood-Schlatter disease. Another player may just have referred pain from tight muscles and joint.

Treating every painful knee the same doesn't make sense.

The bigger goal is to develop a basketball body with enough strength, mobility, movement quality and workload capacity to handle what the game asks of it.

Because preventing knee injuries isn't about avoiding basketball.

It's about preparing your body to handle basketball.