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Knee sports injuries

Knee sports injuries happen during physical activity or exercise and affect the structures within or around the knee joint. While some injuries are mild and improve with rest, others may need specialist care.

What are knee sports injuries?

The knee is one of the largest and most complex joints in the body, which makes it vulnerable to injury, especially during sports that involve twisting, jumping, or sudden changes in direction.

Knee sports injuries are common among those who take part in physical activity, from occasional runners to professional athletes. These injuries can affect different parts of the knee, including ligaments, cartilage, tendons and surrounding soft tissues.

There are several types of knee sports injuries. Some of the most common include:

  • meniscus tears – damage to the cartilage that cushions the knee joint, often caused by twisting movements

  • anterior cruciate ligament (ACL) tears – a serious ligament injury that can cause instability, usually from sudden stops or changes in direction

  • ligament damage – injuries to ligaments such as the medial collateral ligament (MCL) or posterior cruciate ligament (PCL), often due to impact or overstretching

  • articular cartilage damage – wear or injury to the smooth cartilage covering the bones, which can cause pain and stiffness

  • iliotibial band (ITB) syndrome/runner’s knee – pain around the front of the knee, often linked to overuse or poor alignment

  • patella tendonitis (jumper’s knee) – inflammation of the tendon connecting the kneecap to the shinbone, commonly caused by repetitive jumping or running

  • fat pad impingement – irritation of the soft tissue beneath the kneecap, often due to overuse or trauma

These conditions vary in severity, but all can affect your ability to move comfortably and take part in sport or daily activities.

Early assessment and treatment can help reduce pain, restore movement and lower the risk of long-term problems. At Welbeck, our knee specialists assess and treat a wide range of knee conditions in our state-of-the-art Orthopaedic centre.

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We offer appointments to paediatric patients aged 4+. For full information on our paediatrics service, please visit our main Paediatric Orthopaedics page.

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Symptoms can vary depending on the type and severity of the injury. Some develop suddenly after an incident, while others come on gradually with overuse.

Common symptoms include:

  • pain in or around the knee

  • swelling or inflammation

  • stiffness or reduced range of movement

  • a feeling of instability or the knee ‘giving way’

  • difficulty putting weight on the leg

  • clicking, popping, or locking sensations

  • tenderness when touching the knee

  • weakness in the joint

If you notice any of these symptoms, especially after a sports injury, it’s important to seek medical advice.


Knee injuries often occur when the joint is put under sudden or repeated stress. This can occur during sports, exercise, or even everyday activities.

Common causes include:

  • sudden twisting or pivoting movements

  • landing awkwardly after a jump

  • direct impact to the knee

  • overuse from repetitive activities such as running or cycling

  • poor training technique or lack of conditioning

  • inadequate warm-up or stretching

Risk factors

Some factors can increase your risk of developing a knee sports injury:

  • playing high-impact sports such as football, rugby, or basketball

  • weak muscles around the knee, hips, or core

  • poor footwear or unsuitable equipment

  • previous knee injuries

  • training too intensely without enough rest

  • poor alignment of the legs or kneecaps

If you’re experiencing knee pain or have had a sports injury, your care will begin with an initial consultation with a specialist.

Your consultant will ask about your symptoms, how the injury happened, and your medical history. They’ll also examine your knee to assess movement, strength, and stability.

In some cases, a diagnosis can be made during a consultation. However, further tests may be needed to confirm the diagnosis or assess the extent of the injury. These may include:

  • X-ray – to check for fractures or bone issues

  • MRI scan – to assess soft tissues such as ligaments, cartilage, and tendons

  • ultrasound scan – to examine tendons and soft tissue injuries. Ultrasound can also be used to help guide the drainage of fluid and pain relief injections into the joint

  • CT scan – to assess bone anatomy, especially if there’s a fracture

These tests help your consultant recommend the most appropriate treatment plan for your condition.


While not all injuries can be prevented, there are steps you can take to reduce your risk.

These include:

  • warming up properly before exercise

  • strengthening the muscles around your knees, hips, and core

  • using the correct technique during sports and training

  • wearing supportive and well-fitting footwear

  • gradually increasing intensity and duration of exercise

  • allowing time for rest and recovery between sessions

  • maintaining a healthy weight to reduce pressure on the knees

Taking these steps can help protect your knees and improve overall performance.


Most knee injuries improve with the right treatment, but if left untreated, they can lead to longer-term problems.

Possible complications include:

  • ongoing pain or swelling

  • reduced mobility or stiffness

  • chronic instability of the knee

  • difficulty returning to sport or physical activity

  • early wear of the joint (osteoarthritis)

In some cases, complications can still occur despite treatment, although this is less common. Early diagnosis and appropriate care can help reduce these risks.


Treatment depends on the type and severity of the injury, as well as your activity level and overall health.

Your consultant will create a personalised treatment plan, which may include:

  • rest and activity modification – avoiding movements that worsen symptoms

  • physiotherapy – exercises to improve strength, flexibility, and stability

  • pain relief medication – such as paracetamol or anti-inflammatory drugs

  • bracing or support – to stabilise the knee during recovery

  • injections – such as steroids or hyaluronic acid to reduce pain and inflammation

  • minimally invasive procedures – such as arthroscopy to repair damage inside the knee, like the meniscus repair procedure used to treat meniscus tear

  • surgery – in more severe cases, such as ligament reconstruction, like ACL reconstruction, or cartilage repair

Many people recover well with non-surgical treatments, but some injuries may require surgery to restore full function.


At Welbeck, our orthopaedic specialists are experts in their field and are dedicated to providing world-class care to every patient.

With access to colleagues across other specialties, our consultants are also able to refer within the Welbeck ecosystem if required to ensure you receive the treatment you need as quickly as possible, all under one roof.

All appointments, testing, treatment, and follow-up appointments take place within our state-of-the-art facilities, enabling us to deliver accurate diagnostics and advanced treatments.


Your health is important to us, so we strive to offer same-day appointments whenever possible.

Our consultants are recognised by the major health insurance companies. If you have private health insurance, your treatment at Welbeck can begin once you have obtained authorisation. We also provide care to self-paying patients. Learn more about the different payment options at Welbeck.

Get in touch today to book an appointment.


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London

1 Welbeck Street
Marylebone
London
W1G 0AR

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Frequently asked questions

It depends on the type and severity of your injury. In some cases, low-impact activities may still be possible, but continuing high-impact sport could worsen the condition. A specialist can advise you on what is safe.

Recovery time varies widely. Minor injuries may improve within a few weeks, while more serious injuries, such as ligament tears, can take several months. Your recovery will depend on your treatment plan and how well you follow it.

No, many ligament injuries can be treated without surgery using physiotherapy and rehabilitation. Surgery is usually only recommended for more severe injuries or when the knee remains unstable.

You should seek medical advice if your pain is severe, doesn’t improve after a few days of rest, or is affecting your ability to walk or exercise. Early assessment can help prevent further damage and speed up recovery.

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