Knee Pain : Recovering From A Meniscus Tear
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What Is A Meniscus

In the knee there are two menisci (fibrocartilage pads) that sit between the thigh bone (femur) and the shin bone (tibia). 

The medial meniscus sits on your inner-side of the knee joint, and the lateral meniscus on the outer-side of your knee joint.

The menisci act as shock absorbers… So, as you walk, run, jump, hop, etc., your menisci help to absorb the force over the entire knee so that the bone surfaces are not damaged. 

What Is A Meniscus Tear

An acute meniscus tear usually occurs through a trauma injury, the most common of which involves twisting on a slightly bent knee.

This is often sports related and a meniscal injury can often occur together with an anterior cruciate ligament (ACL) tear.

The meniscus can be torn longitudinally, radially, or have a flap or bucket handle appearance.

The medial meniscus is more commonly injured than the lateral meniscus.

In an older population, meniscal tears can occur due to age-related degeneration of the meniscus.

Signs And Symptoms Of A Meniscus Tear

The degree of pain associated with meniscus injuries varies. A small tear may cause no immediate symptoms but typically pain and swelling appear over time (24hrs). Where as a severe meniscal injury can be immediately painful with restricted range of motion in the knee.

The most common symptoms that you have torn your meniscus are

– pain and tenderness along the knee joint line

– swelling of the joint

– clicking, popping, or locking of the knee and

– pain with squatting.

Your physiotherapist will perform tests to determine if there is a meniscal injury. However, not all meniscus injuries are positive on testing, so an MRI scan may be needed to diagnose the injury.

How To Treat A Meniscus Tear

A small meniscus tear, will usually respond well to physiotherapy treatment.

Physiotherapy treatment may include: 

  • Reducing pain, inflammation and swelling
  • Ultrasound
  • Soft tissue massage 
  • Manual techniques
  • Restoring range of motion
  • Strengthen muscles around the knee 
  • Stretching muscles around the knee to restore length
  • Progressive return to sport and activity
  • Meniscus injuries often occur with other knee injuries, which need to be treated in conjunction with the meniscal tear

A meniscal tear will generally take six to eight weeks to recover with treatment. Depending on the size and/or severity of meniscal injury, surgery may be required.

An untreated meniscus tear can deteriorate and cause ongoing pain that affects your every day activities and can lead to you having a prolonged break from weight baring exercise with the affected leg.

What About Surgery For A Meniscus Tear

Around a decade ago, all meniscus tears were destined for surgery. Usually an arthroscope to clean off the rough edges of the tear was required. In more recent years, more doctors and physios are rehabilitating meniscus tears with conservative treatment (meaning hands on physio, inflammation management and exercises).

If surgery is required, surgery is usually performed arthroscopically to either remove the torn fragment or repair a tear in the meniscus. 

Following surgery, physiotherapy can assist with rehabilitation and will follow similar guidelines to the non-surgical treatment approach. 

Post-surgical physiotherapy will focus on:

  • Early mobilisation of the knee
  • Reducing pain and swelling
  • Restoring range of motion
  • Graduated weight bearing exercises
  • Strengthening muscles around the knee 
  • Stretching muscles around the knee to restore length
  • Progressive return to sport and activity

 

Meniscus injuries are just one condition that can cause knee pain.

2 other common causes of knee pain are patellar tendinopathy and Patellofemoral Pain Syndrome.

You can read more about them here –

Patellar Tendinopathy: What Is Patellar Tendinopathy

Patellofemoral Pain Syndrome: Physiotherapy For Your Knee Pain

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