A growth disorder causing progressive bow legs that, unlike normal bowing, needs treatment.

A common cause of knee pain in active, growing children that settles once growth is complete.

A small benign bone tumour causing characteristic night pain, eased by anti-inflammatories.

A benign fluid-filled cavity in the bone, most often found after a minor fracture.

A genetic condition causing multiple benign bony growths that needs lifelong specialist monitoring.

A common, usually painless toe condition present from birth that often improves on its own.

Walking on the toes, common in toddlers and usually harmless, but worth checking if it persists.

Your child's leg is bent due to previous injury or infection or from birth

Direct impact to the knee can cause damage to the lining cartilage and bone underneath

When the kneecap slips out of its groove, common in active adolescents and often treatable with physiotherapy.

Inward-angling knees — a normal stage in young children that occasionally needs assessment.

Irritation of a sensitive cushion of tissue at the front of the knee, usually settling without surgery.

A benign bone lesion with higher recurrence rate that needs specialist assessment and treatment.

A rare condition causing multiple benign cartilage tumours within the bones, needing ongoing review.

A toe that bends abnormally at the middle joint, sometimes needing treatment if painful.

A rotational alignment of the legs that turns kneecaps inward and can cause adolescent knee pain.

A difference in leg length that can be monitored and, if needed, corrected as a child grows.

Your child has sustained a broken bone and you need more information about it

Tears of the knee's cartilage cushions, where preserving the meniscus is the priority in children.

Broad spectrum of disorders affecting your child's upper limb