Chauveaux–Liet angle

The Chauveaux–Liet angle (CL angle) is represented by the difference between the angle of verticalization (α) and morphologic angle (β) of the calcaneus (CL angle = α − β).

Angle α is the calcaneal pitch angle or angle of verticalization of calcaneus described as the intersection of the baseline tangent to the anterior tubercle and the medial tuberosity with the horizontal surface.

The angle β is formed between the vertical line tangent to the most posterior point of greater tuberosity and the straight line joining this point to the apex of the posterosuperior crest.

A CL angle of more than 12º is considered abnormal, such as in Haglund syndrome.

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rID: 12293
Synonyms or Alternate Spellings:
  • Chauveaux–Liet's angle

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