Trigger Hallux / Claw hallux

Wikis > Orthopaedics > First MPJ Disorders > Trigger Hallux / Claw hallux

Trigger Hallux/Claw hallux

A deformity of the hallux where the IPJ is in a flexed position and the MTPJ is hyperextended.

Often secondary to a forefoot varus, dorsiflexed or short first ray
May be secondary to a neurological disorder (eg Charcot-Marie-Tooth disease, cerebral palsy). Maybe more common in ballet dancers.

Clinical Features:
May be associated with neuromuscular or rigid foot types.
Plantar hyperkeratosis – also dorsal IPJ
EHL tendon is prominent and show signs of pressure (bursal formation and hyperkeratosis)

Management of lesions

We have not yet got to this page. We will eventually. Please contact us if you have something to contribute to it or sign up for our newsletter or like us on Facebook and Instagram or follow us on Twitter.

Page last updated: Jul 24, 2022 @ 9:46 pm

Comments are closed.