Knee

Meniscus Tear: Symptoms, Diagnosis & Treatment

मेनिस्कस टियर: लक्षण, निदान और उपचार

మెనిస్కస్ టియర్: లక్షణాలు, నిర్ధారణ మరియు చికిత్స

A meniscus tear is one of the most common knee injuries — and one of the most over-treated. Not every torn meniscus needs surgery. This guide explains why tears happen, how to recognise them, and how to figure out whether your knee actually needs an operation or simply the right rehabilitation.

🕐 7 min read
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Dr. Sumit Dubewar

MBBS · DNB · DABRM (USA) · FIJR · FIASM · MNAMS
Orthopedic & Regenerative Specialist · Secunderabad · +91 9370498182

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How does a meniscus tear happen?

Two very different patterns, two very different patients

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The meniscus is a C-shaped cushion of cartilage inside the knee joint that absorbs shock, distributes load, and helps stabilise the joint. There are two menisci in each knee — one on the inner (medial) side and one on the outer (lateral) side. Tears broadly fall into two categories, and the category matters a great deal for treatment.

  • Traumatic tears — usually seen in younger, active people. Caused by a sudden twisting or pivoting movement on a bent, weight-bearing knee, often during sport (football, badminton, squatting with rotation) or a sudden change of direction. Frequently occurs alongside an ACL injury.
  • Degenerative tears — seen in older patients, usually over 40-45. The meniscus tissue weakens and frays with age, much like any other tissue in the body. A tear can occur with minimal or no obvious trauma — even something as simple as getting up from a low chair or a deep squat. These tears are extremely common and are frequently picked up as an "incidental" finding on an MRI done for other reasons.

Other contributing factors include being overweight (extra load on the joint), occupations or sports involving repeated squatting or kneeling, and pre-existing knee arthritis, which weakens the meniscus tissue over time.

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Symptoms

What a torn meniscus typically feels like

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  • Pain along the joint line — usually a specific, localised spot on the inner or outer side of the knee, right at the joint gap
  • Swelling, usually developing gradually over 24-48 hours after a traumatic injury (unlike an ACL tear, which swells almost immediately)
  • A catching, clicking, or locking sensation — the knee may feel like it "gets stuck" partway through bending or straightening
  • A feeling of the knee "giving way" or feeling unstable, especially on uneven ground or stairs
  • Limited range of motion — difficulty fully straightening or fully bending the knee
  • Pain that worsens with squatting, twisting, or climbing stairs

See a doctor promptly if: your knee gets truly "locked" and you cannot straighten it at all, swelling is severe and rapid, you cannot bear weight on the leg, or you have fever with a hot, swollen joint (which can suggest infection and needs urgent evaluation).

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Diagnosis

Clinical examination first, MRI to confirm

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Diagnosis begins with a detailed history and a physical examination — this alone can point strongly toward a meniscus tear before any scan is even ordered.

Clinical Examination

  • Joint line tenderness — pressing along the joint gap on the affected side reproduces the patient's pain; one of the most reliable clinical signs
  • McMurray's test — the knee is bent fully and then straightened while the foot is rotated inward and outward; a palpable click or pain during this manoeuvre suggests a meniscus tear
  • Assessment of range of motion, swelling, and knee stability (to rule out an associated ligament injury)

Imaging

  • An X-ray is often taken first — it doesn't show the meniscus itself, but helps rule out fractures or underlying arthritis, which changes the treatment approach
  • MRI is the gold standard for confirming a meniscus tear — it clearly shows the location, size, and pattern of the tear, and whether other structures (ligaments, cartilage) are involved

An important point: MRI is extremely sensitive, and in patients over 40-45, it very often picks up degenerative meniscus tears that are causing no symptoms at all. An MRI report showing a "tear" does not automatically mean it is the cause of your pain, or that it needs to be operated on.

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Treatment Options

Most tears don't need an operation

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Conservative Care (the starting point for most patients)

  • Relative rest and activity modification — reducing deep squatting, twisting, and high-impact activity while the tear settles
  • A structured physiotherapy program focused on quadriceps strengthening and restoring range of motion (see the Exercises section below)
  • Anti-inflammatory medication for short-term pain and swelling control
  • This is especially the right first approach for degenerative tears in older patients, since these tears typically sit in the inner two-thirds of the meniscus — a zone with very poor blood supply (the "avascular zone") that has limited capacity to heal with surgery, but responds well to strengthening and load management

Surgical Options

  • Surgery is considered when there are true mechanical symptoms — genuine locking, catching, or the knee giving way — that don't settle with adequate conservative treatment, or when the tear pattern is clearly unstable
  • Arthroscopic partial meniscectomy — the torn, unstable fragment is trimmed away through small keyhole incisions, leaving as much healthy meniscus tissue behind as possible
  • Meniscus repair — the torn edges are stitched back together instead of being removed. This is favoured, wherever technically possible, especially for peripheral tears (in the outer, better blood-supplied zone) in younger patients, because preserving meniscus tissue protects the knee's cartilage and long-term joint health far better than removing it

Key takeaway: not every meniscus tear seen on MRI is the source of your pain, and not every meniscus tear needs surgery. Many degenerative tears are incidental findings that do very well with physiotherapy alone. When surgery genuinely is needed, preserving meniscus tissue with a repair — rather than removing it — is generally the better long-term choice whenever the tear is repairable.

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Exercises

Strengthening is often the real treatment

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A strong quadriceps muscle takes load off the meniscus and stabilises the knee, while restoring full, pain-free range of motion prevents stiffness from setting in. For most tears — traumatic or degenerative — a guided exercise program is the single most important part of recovery, whether or not surgery is eventually needed.

View Exercises →
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Dr. Sumit's Advice

A personal note on meniscus tears

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"One of the most common things I see in my clinic is a patient walking in anxious, MRI report in hand, because the word 'tear' appears next to 'meniscus.' In an older patient with knee pain, a degenerative meniscus tear on MRI is often just a normal part of an ageing joint — not necessarily the cause of the pain, and not necessarily something to operate on. I always examine the knee carefully, correlate it with the scan, and start with physiotherapy and activity modification whenever that's the sound choice. Surgery has its place — genuine locking, catching, or a repairable tear in a younger, active knee are real reasons to operate. But the meniscus is not spare tissue; it protects the cartilage underneath it, and removing more of it than necessary can catch up with a knee years later in the form of early arthritis. My job is to figure out whether your pain and your MRI actually agree with each other, and to recommend only what your knee genuinely needs."

— Dr. Sumit Dubewar · DABRM (USA) · Secunderabad

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