AskDefine | Define valgus

Dictionary Definition

valgus adj : turned outward; especially of a deformity in which part of a limb is twisted away from the center of the body; "talipes valgus" [ant: varus]

Extensive Definition

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.

Examples

  • 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

valgus in Spanish: Genu valgo
valgus in Dutch: Valgus
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