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Morton's Foot


Dudley Morton MD
Also known as Morton's syndrome / Morton's principle /  Morton's triad

Synonyms:  Metatarsus atavicus, metatarsus primus brevis, metatarsus primus brevis varus syndrome, pied ancestral (French), pied de Neanderthal (French), short first metatarsal syndrome


Mortons Foot.  The big toe (white arrow) is more than 2mm shorter than the second toe.

Morton's Foot (Toe) is a relatively uncommon foot structure in which the big toe is more than 2mm shorter than the second toe.

In 1997, I reported that Morton's Foot and Rothbarts Foot appeared to be the same foot structure. 

However, after years of further research, it became apparent that Morton's Foot and Rothbarts Foot are two entirely different foot structures:
  • Morton's Foot - the big toe is shorter than the second toe but not elevated.


Mortons Foot.  The black arrow points to the short 1st metatarsal, which is the hallmark of Mortons Foot (courtesy of Stephan Praet MD, Maastricht University, Netherlands).

Triad of Morton's Foot:
  1. Congenital short first metatarsal bone
  2. Hypermobile first metatarsal segment
  3. posterior located sesamoid bones
Callosities under the second and third metatarsals


  • Rothbarts Foot - the big toe is elevated and inverted (in supinatus) but not shorter than the second toe. 

Reference

Rothbart BA 2009.  Morton's Foot vs Rothbarts Foot. Are They the Same?  Podiatry Review, Vol 66(3):6-9.


Prof/Dr Brian A. Rothbart
Chronic Pain Elimination Specialist

Discovered the Rothbarts Foot Structure and the PreClinical Clubfoot Deformity
Developer of Rothbart Proprioceptive Therapy
Inventor and Designer of Rothbart Proprioceptive Inso
les
Founder of International Academy of Rothbart Proprioceptive Therapy
Author of Forever Free From Chronic Pain
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