Valgus deformity

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Valgus deformity
Valgus Deformity MRI and photograph
ICD-10 M21.0

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]


In orthopedics, a valgus deformity is a term for the outward angulation of the distal segment of a bone or joint. The opposite of valgus is called varus.

The terms varus and valgus always refer to the direction that the distal segment of the joint points.

For a discussion of the etymology of these words, see the entry under varus.


  • Hip: coxa valga (from Latin coxa = hip) — the shaft of the femur is bent outward in respect to the neck of the femur, causing bowleggedness.
  • Knee: genu valgum (from Latin genu = knee) — the tibia is turned outward in relation to the femur, resulting in a knock-kneed appearance.
  • Ankle: talipes valgus (from Latin talus = ankle and Greek pes = foot) — outward turning of the heel, resulting in clubfoot with the person walking on the inner part of the foot.
  • Toe: hallux valgus (Latin hallux = big toe) — outward deviation of the big toe toward the second toe.
  • Elbows: cubitus valgus (Latin cubitus = elbow) — turned-out elbows

See also

Template:Diseases of the musculoskeletal system and connective tissue

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