Palomo López P, Prados Frutos JC, Becerro de Bengoa Vallejo R, Losa Iglesias ME. Extensor Hallucis Capsularis or Accessory Tendon of Extensor Hallucis Longus: Functional anatomy, frequency and measurement. Rev. int. cienc. podol. 2011;5(2):25-34. doi:10.5209/rev_RICP.2011.v5.n2.3