Checking pain below the kneecap in a teenage athlete.

Osgood-Schlatter Disease is a common cause of knee pain below the kneecap in active children and teens. It often starts during a growth spurt. Running, jumping, kicking, stairs, squats or kneeling can irritate the growth area where the kneecap tendon joins the shinbone.

It is also called growth-area strain. Most cases settle with smart load changes, strength work, rehab planning and clear return-to-sport steps. The aim is to keep your child active where safe, not stop sport for longer than needed.

What Is Osgood-Schlatter Disease?

Osgood-Schlatter Disease affects the shin bump. This is the bony area just below the kneecap. The kneecap tendon attaches here. During fast growth, this area can become sore when sport load is higher than the knee can handle.

Unlike a sudden ligament injury, symptoms often build slowly. Osgood-Schlatter Disease is a type of overuse injury. It is common in youth sport, mainly sports with sprinting, jumping, landing, kicking and quick changes of direction.

What Are the Symptoms of Osgood-Schlatter Disease?

Osgood-Schlatter Disease often causes pain and tenderness over the shin bump, just below the kneecap. Pain often flares during sport and may hang around afterwards.

• Pain below the kneecap during or after sport.
• Pain over the front of the shinbone.
• Swelling or a visible bump below the knee.
• Pain with kneeling, stairs, squats or jumping.
• Reduced trust with sprinting, kicking or landing.
• Symptoms in one or both knees.

For related youth injury patterns, see kids sports injuries and kids leg pain.

What Causes Osgood-Schlatter Disease?

The thigh muscles and kneecap tendon can pull on the growth area at the shin bump. Fast growth, high training volume, poor rest, tight muscles and jumping sports can all add load.

The shin bump changes from cartilage into bone during adolescence. While this change happens, the area can be more sensitive. If training rises faster than the knee adapts, pain can follow.

Who Is Most at Risk?

Osgood-Schlatter Disease often affects active teens during growth spurts. It is often seen in boys around 11 to 15 and girls around 8 to 13. Timing varies. Growth rate, sport type, training load and rest matter more than age alone.

Trigger sports often include basketball, netball, football, running, gymnastics and other sports with repeated jumping or sprinting.

How Is Osgood-Schlatter Disease Diagnosed?

A physio or doctor can often diagnose Osgood-Schlatter Disease from the symptom story, sport load, growth history, motion tests and tenderness over the shin bump. Imaging is often not needed unless symptoms are not typical, severe or not improving.

The check may include squat control, step-down control, jumping tolerance, hip strength, thigh muscle flexibility, calf load and foot control. These findings help shape a practical plan instead of simply saying “rest”.

For a general medical overview, see MedlinePlus Osgood-Schlatter Disease.

How Can Physio Help Osgood-Schlatter Disease?

Physio may help reduce painful load, improve strength and guide a safe return to sport. The plan should protect the sore growth area while keeping the young athlete active where possible.

Treatment may include:

• sport load changes and rehab planning
• thigh muscle, hip and calf strength work
• landing, running and jumping technique coaching
• stretching or motion work when helpful
• taping or a knee strap trial
• return-to-sport steps based on pain response

Improving knee load control during rehab.

What Helps Ease Osgood-Schlatter Pain?

Short-term pain relief starts with cutting the most painful tasks. Ice after sport, less jumping or sprinting, and a guided strength plan may help symptoms settle while your child stays active safely.

A knee strap may help some players by cutting strain near the tender area. Kinesiology tape may also help some cases. These supports work best with load changes and drills.

Ice packs and TENS may help with short-term pain control. However, pain relief should not be used to push through poor motion or excessive training load.

What Exercises Are Used for Osgood-Schlatter Disease?

Exercise often starts with pain-friendly strength work. It then moves toward sport-specific loading. Your physio may target thigh muscle strength, hip control, calf load, landing control and kneecap control.

Helpful exercise areas may include:

• isometric thigh muscle drills for early pain control
• hip and gluteal strength work
• calf strength and shock absorption drills
• controlled squats and step-downs
• landing and change of direction control
• graded running, jumping and sport drills

How Does Rehab Progress?

Rehab should match symptoms and sport goals. The steps below give a simple guide. Your child may move faster or slower depending on pain, strength, growth stage and sport load.

Stage	Main Goal	Examples
Settle pain	Reduce strain below the kneecap.	Modify sport, use ice after training, start gentle strength work.
Build strength	Improve knee and hip load control.	Squats, step-downs, calf work and hip strength work.
Return to sport	Restore safe running, jumping and landing.	Graded running, hopping, landing drills and sport skills.

Can Foot Control or Orthotics Help?

Foot control can affect knee load in some teens. If poor foot control increases twisting or collapse through the leg, your physio may include foot posture drills or footwear advice.

Temporary shoe inserts may help some cases, mainly when foot posture, rapid growth and sport load combine to increase knee stress. A physio or podiatrist can advise whether this matters for your child.

How Long Does Osgood-Schlatter Disease Last?

Osgood-Schlatter Disease often improves as the growth area grows. Symptoms can still flare for months. Some teens have symptoms for 12 to 24 months, mainly when sport load stays high or rehab is poor.

Most young players improve with care without surgery. Surgery is rarely required. Some people keep a bump below the knee or have mild kneeling pain later, even after sport pain settles.

Related Knee and Youth Sports Conditions

Other conditions can mimic or overlap with Osgood-Schlatter Disease. These pages may help you compare symptoms:

1. Sports Knee Injuries
2. Sinding-Larsen-Johansson Syndrome
3. Patellar Tendinopathy
4. Patella Enthesopathy
5. Chondromalacia Patella
6. ACL Injury
7. Avulsion Fractures

FAQs About Osgood-Schlatter Disease

What causes Osgood-Schlatter Disease?

Osgood-Schlatter Disease often develops when repeated pulling from the thigh muscles and kneecap tendon strains the shin bump. Growth spurts, high sport load, tight muscles and jumping sports can all contribute.

Does Osgood-Schlatter Disease go away?

Most teens improve as the growth plate grows. Symptoms often settle with load changes, strength work and time. Some children still have flare-ups over many months during growth and sport.

Can children keep playing sport with Osgood-Schlatter Disease?

Many children can continue modified sport if pain stays mild and does not cause limping or next-day pain. If pain changes motion or keeps flaring, sport load should be reduced.

What helps ease Osgood-Schlatter pain quickly?

Reducing painful running and jumping, using ice after activity, trialling taping or a strap, and starting guided strength work may help settle symptoms.

Can Osgood-Schlatter Disease become long-term?

Osgood-Schlatter Disease often settles after growth. Some people keep a firm bump below the knee or feel pain when kneeling. Ongoing sport pain is less common when load and strength are managed well.

Does Osgood-Schlatter Disease need surgery?

Surgery is rarely required. Most cases improve with care without surgery, including load changes, physio, strength work and gradual return to sport. Doctor review is sensible if symptoms are severe, not typical or ongoing.

Building landing trust for return to sport.

What To Do Next

If your child has pain below the kneecap during sport, start by cutting the most painful tasks for a short period. Keep them moving with comfortable load. Seek advice if symptoms persist, recur or affect trust.

A physio can assess the knee, explain the likely drivers, and build a staged plan for pain relief, strength, running, jumping and return to sport.

References

1. Neuhaus C, Appenzeller-Herzog C, Faude O. A systematic review on conservative treatment options for Osgood-Schlatter disease. Phys Ther Sport. 2021;49:178-187. doi:10.1016/j.ptsp.2021.03.002
2. van Leeuwen GJ, de Schepper EIT, Rathleff MS, Bindels PJE, Bierma-Zeinstra SMA, van Middelkoop M. Incidence and management of Osgood-Schlatter disease in general practice. Br J Gen Pract. 2022;72(717):e331-e337. doi:10.3399/BJGP.2021.0386
3. Corbi F, Matas S, Álvarez-Herms J, et al. Osgood-Schlatter disease: appearance, diagnosis and treatment: a narrative review. Healthcare (Basel). 2022;10(6):1011. doi:10.3390/healthcare10061011
4. Chandra R, Malik S, Ganti L, Minkes RK. Diagnosis and management of Osgood Schlatter disease. Orthop Rev (Pavia). 2024;16:123688. doi:10.52965/001c.123688
5. Waghe VR, Ramteke S. Role of physio in Osgood-Schlatter’s disease in an teen volleyball player: a case report. Cureus. 2024;16(2):e55018. doi:10.7759/cureus.55018