A teenager twists a knee playing football. Pain, swelling and a catching sensation raise the possibility of a meniscus injury. But knee pain during growth is not automatically a tear. The mechanism, age and ability to straighten the knee help guide the examination.
The meniscus distributes load and contributes to knee stability. In a growing child, anatomical differences and a long sporting future make preserving healthy meniscal tissue especially valuable.
What symptoms suggest a meniscus injury?
Pain along the joint line, swelling after a twist, catching during squats and difficulty turning may raise suspicion. A truly locked knee that cannot fully straighten needs prompt assessment because a displaced tear is one possible cause. After injury, the examination must also consider the ACL and other knee structures.
Some children have a discoid lateral meniscus, a shape variation that may be painless or may cause symptoms and tearing. A painless click alone does not dictate surgery. The international consensus on the immature meniscus notes that experts still disagree about several scenarios, including painless clicking.
Does growth change treatment decisions?
Often yes. Some tears can be monitored with rehabilitation, while a displaced tear or a locked knee warrants specialist review. When surgery is needed, preserving and repairing meniscal tissue, where feasible, is generally preferred to removing a large part. The choice depends on tear pattern, site, stability, associated injuries and remaining growth.
Healing potential in young patients is encouraging, but repair is not guaranteed. A systematic review of paediatric meniscus repairs supports the goal of tissue preservation while highlighting limitations in the available studies.
Examination and return to sport
The clinician asks how the injury happened and examines swelling, range of motion, tenderness and stability. MRI can help when a tear is suspected or the result would affect treatment; it needs to be interpreted with the child’s age and the clinical findings. An inability to bear weight, marked swelling after trauma or a locked knee merits prompt medical assessment.
Gradual anterior knee pain below the kneecap may instead fit Osgood-Schlatter disease. Rehabilitation builds mobility, strength, balance and confidence. After a repair, restrictions on loading, bending and pivoting depend on the exact procedure. Return to running, jumping and cutting needs functional checks and the treating team’s guidance, not just a date on the calendar.
For support with a young athlete’s progression, see sports physiotherapy in Basel or book an appointment.
Frequently asked questions
Does a clicking knee mean the meniscus is torn?
No. A click on its own is nonspecific. Pain, swelling, locking, injury mechanism and examination are more useful.
Does every adolescent meniscus tear need surgery?
No. It depends on the tear and symptoms. A displaced tear with a truly locked knee requires prompt specialist assessment.
Can sport resume as soon as pain goes away?
Pain relief alone is not enough. Healing after repair, medical restrictions, strength, motion, control and sport-specific tasks all need consideration.
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