helbings sign

What is Helbing sign?

Helbing sign or Helbing’s sign is an observation of the alignment of the Achilles tendon from behind when weightbearing. It is seen as the amount of concavity or medial bowing of the Achilles tendon as the calcaneus everts past vertical. It has been considered an observation of the amount of pronation of the foot.

Helbing sign has limited clinical usefulness.

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