Knee Pillow for Knock Knees: What to Know

Knock knees, also called genu valgum, bring the knees closer together while the ankles remain farther apart. A pillow between the knees can reduce skin-on-skin contact and support a more comfortable side-lying position. It is a comfort aid, not a brace or treatment that reshapes growing or adult bones.

Persistent pain, limping, uneven shoe wear, or difficulty keeping up with activities deserves an assessment. In children, leg alignment also needs to be considered alongside age, growth and overall movement.

Choose a soft, stable pillow that supports the space between your knees without forcing the top leg upward. Keep your hips and ankles in a relaxed line, and stop if you develop numbness, hip pain or increased knee pressure. Gentle movement and a tailored exercise plan may help strength and comfort; a paediatric physiotherapist can assess a child’s walking pattern when needed.

If alignment causes substantial symptoms or does not improve with non-surgical care, an orthopaedic clinician can discuss options such as [Paediatric Physiotherapy](/treatments/physiotherapy-and-rehabilitation/paediatric-physiotherapy/) or, in selected cases, [Osteotomy](/treatments/reconstructive-orthopedic-surgery/osteotomy/).

Arrange a clinical review for worsening pain, repeated falls, a new limp, one-sided change, or reduced knee movement. Seek prompt care after an injury if the knee cannot bear weight, becomes suddenly very swollen, or looks deformed. A pillow should never delay assessment of a new or rapidly changing problem.

Ask whether the alignment is expected for the person’s age, whether an examination or imaging is useful, and which sleep position or exercises fit the individual’s symptoms. You can also ask what changes should prompt follow-up.