The short answer: physio first for most, not all

Physiotherapy first — but not for everyone.

For the majority of people with a meniscal tear, an MSK physiotherapist is the right first call. Current clinical guidelines consistently back this: most tears resolve or become manageable through a structured course of exercise-based rehabilitation, without any surgical intervention. Conservative management is not a compromise or a waiting room for the operating table — it is the primary, evidence-based pathway for most presentations.

A smaller group of patients should move directly to orthopaedic assessment. Three presentations shift the decision: a locked knee (the leg cannot be fully straightened), persistent instability where the knee repeatedly gives way, or a severe acute traumatic tear that fails to settle. These suggest mechanical disruption that physiotherapy alone is unlikely to resolve.

Beyond those red flags, the right specialist depends on how the tear arose and what the knee is doing — whether the injury followed a sudden twist during sport or developed gradually over months, and whether there are associated structural problems. Tear type and symptom pattern, not personal preference, drive the decision.

Why tear type and how the injury happened change everything

Two distinct injury stories produce two very different clinical pictures — and they point toward different pathways.

Gradual onset: the degenerative tear

In people over 40, the meniscus loses some of its resilience as a natural part of ageing. A tear can develop without any single triggering event; patients often cannot pinpoint when the discomfort began. Stiffness after sitting, aching with stairs, and swelling that comes and goes are typical. For this pattern, the evidence firmly supports physiotherapy first. The landmark Sihvonen et al. RCT published in the New England Journal of Medicine in 2013 found arthroscopic partial meniscectomy to be no better than sham surgery in middle-aged patients with degenerative tears. A 6.3-year follow-up study by Kim et al. (2021) confirmed no clinical advantage from meniscectomy over conservative treatment — and found significantly greater osteoarthritis progression in the surgically treated group.

Sudden onset: the acute traumatic tear

A sharp twist or pivot, a landing awkward from a jump, a felt or heard pop, and swelling appearing within hours — this pattern is distinctly different. It is most common in younger, physically active individuals. Acute traumatic tears warrant specialist assessment sooner rather than later, because whether the torn tissue can be repaired (rather than trimmed) depends partly on where it sits within the meniscus. The outer rim, supplied by blood vessels, has some capacity to heal; the inner portion does not. If a tear sits in the healable zone and repair is appropriate, the timing of that assessment matters.

A concurrent ACL injury — sometimes present after high-energy pivoting accidents — shifts the pathway toward early orthopaedic review regardless of tear type.

On MRI findings

Meniscal signal changes are common on scans of people with no symptoms at all, and they become more frequent with age. A scan showing a 'tear' is one piece of information, not a treatment decision in itself. Clinical examination — how the knee moves, which tests provoke symptoms, and what the patient reports — drives management far more reliably than imaging alone.

Red flags that point toward an orthopaedic surgeon sooner

Certain symptoms — none of them common — should prompt a move to orthopaedic assessment rather than waiting for a physiotherapy course to run its course.

A knee that will not fully straighten (locked knee). If the leg cannot be fully extended, a fragment of torn meniscus may be mechanically jamming the joint. This is a structural problem that exercise cannot undo. Prompt clinical review is appropriate, not a wait-and-see approach.

A knee that gives way during ordinary activity. Significant instability — where the joint buckles or collapses unexpectedly during walking, standing, or simple daily tasks — signals that the knee cannot safely take load. This warrants assessment to exclude a mechanical cause before physiotherapy is progressed.

A severe acute injury that is not settling. Following a high-force sports accident, if there is no meaningful improvement with initial management, escalation to orthopaedic review is reasonable rather than persisting with conservative care alone.

Two points are worth noting. First, pain intensity on its own is not a red flag. Many tears are significantly painful without triggering any of the criteria above; pain alone does not indicate that early surgery is needed. Second, these situations affect a minority of people with meniscal tears — most presentations do not involve a locked knee, frank instability, or a non-improving severe injury.

When any of these features are present, a GP referral to orthopaedics — or a direct orthopaedic appointment privately — is appropriate.

What physiotherapy actually involves — and what the evidence shows

A structured rehabilitation programme for a meniscal tear centres on four main components: progressive quadriceps and hamstring strengthening to restore load tolerance, joint stability exercises targeting the muscles that control knee alignment under movement, pain-modulating physical modalities where needed, and structured patient education that supports self-management over the longer term. A multidisciplinary consensus process — drawing on Rehabilitation Medicine, Orthopaedics, and Physiotherapy — has formalised this combination as the evidence base for degenerative presentations specifically.

The case for this approach is anchored in the two trials described in the previous section. What bears adding here is a shift in perspective: the conservative arms of both the Sihvonen et al. and Kim et al. studies produced genuine, durable clinical improvement. The finding that surgery conferred no advantage over those results repositions the question — from 'physio or surgery?' to 'how well is the physiotherapy being delivered?'

Return to activity after a meniscal injury is not measured in fixed weeks. The more meaningful markers are functional: whether the knee can sustain load through its full range, whether strength symmetry between legs is approaching normal, and whether symptoms remain controlled as movement demands increase progressively. This criteria-based approach applies whether the patient's goal is returning to competitive sport or simply managing a walk without discomfort.

The physiotherapist's role extends beyond delivering exercises. A first appointment includes a clinical assessment — movement testing, palpation, and provocation tests — from which a working picture is formed. If symptoms are not responding as expected, if the pattern changes, or if a structural problem emerges that conservative management cannot address, the physiotherapist can arrange imaging or refer onward to an orthopaedic specialist. Starting with physiotherapy is therefore not a dead end; it is a monitored first stage with escalation built in from the outset.

How to find the right specialist: NHS and private pathways

Reaching the right specialist depends partly on the presentation and partly on the route available.

On the NHS, the standard entry point is a GP appointment. The GP takes a history, examines the knee, and decides whether to refer to physiotherapy, an orthopaedic knee surgeon, or an acute sports injury clinic. Where the presentation is clearly non-red-flag — gradual onset, manageable load, no mechanical symptoms — a physiotherapy referral is the typical first step. In many parts of England, NHS self-referral to physiotherapy is available without a GP appointment; this can reduce delay when the case is straightforward and timely access matters.

Privately, no GP referral letter is required. Patients can book directly with an MSK physiotherapist or a consultant orthopaedic knee surgeon, which removes the triage stage and shortens the wait for initial assessment.

For active patients specifically, a sports medicine specialist offers a combination of skills well suited to this decision point: fluency in both non-surgical and surgical options and an explicit focus on functional recovery and return to sport. This is distinct from an orthopaedic surgeon who may lean toward operative planning, or a physiotherapist who cannot offer surgical assessment. Where the tear mechanism is unclear, or where the patient needs a structured return-to-activity framework from the outset, sports medicine is a strong early port of call.

When identifying a practitioner, it is worth confirming that they have specific experience managing meniscal injuries — through listed specialties, clinic profile, or published area of focus. Search MSK is a UK-wide specialist directory that allows patients to filter by region, specialty, and clinical focus, making it practical to identify physiotherapists, orthopaedic knee surgeons, and sports medicine clinicians who routinely manage this type of knee problem.

When surgery becomes the realistic next step

Surgery enters the picture at two distinct points: when red-flag symptoms are confirmed on assessment, or when an adequate trial of physiotherapy has not resolved the problem sufficiently to meet the patient's functional goals.

Where surgery is indicated, the type matters. Arthroscopic repair — using small sutures to reattach the torn tissue — is the preferred option when the tear sits in the well-vascularised outer zone of the meniscus, where healing is biologically plausible, and when the patient is young enough for that biology to be working in their favour. Timing relative to injury is relevant: the repair window is not indefinite, and early orthopaedic assessment is justified for younger athletes with acute traumatic tears for this reason, even though the evidence specific to that subgroup remains less settled than for older degenerative presentations.

Partial meniscectomy — removing the torn fragment rather than repairing it — is still performed, but its role has narrowed considerably. The trial evidence reviewed in earlier sections makes clear that for degenerative tears in middle-aged patients, outcomes do not consistently justify the procedure over well-delivered conservative care, and OA progression may be accelerated by it.

The surgical decision is reached between patient and orthopaedic knee surgeon, weighing tear location, patient age and activity level, and what conservative management has and has not achieved. It is not a uniform recommendation, and no single answer applies across different presentations. A specialist assessment is the appropriate setting in which to reach it.