Free online AOFAS midfoot score calculator

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American Orthopaedic Foot and Ankle Society (AOFAS) midfoot score calculator

About the score:

Originally published in 1994 in Foot and Ankle International, the American Orthopaedic Foot and Ankle Society (AOFAS) Midfoot Rating System is a standardized evaluation of the clinical status of the midfoot.

It incorporates both subjective and objective information. Patients report their pain, and physicians assess alignment. The patient and physician work together to complete the functional portion. Scores range from 0 to 100, with a healthy midfoot receiving 100 points.

This score may be used to assess the intercuneiform, lateral cuneiform-cuboid, naviculocuneiform, and tarsometatarsal levels and may be useful for fractures and arthrodesis procedures.

Original Literature:

Kitaoka, Harold B., et al. “Clinical rating systems for the ankle-hindfoot, midfoot, hallux, and lesser toes.” Foot & ankle international 15.7 (1994): 349-353.

Validation Literature:

Ibrahim, Talal, et al. “Reliability and validity of the subjective component of the American Orthopaedic Foot and Ankle Society clinical rating scales.” The Journal of foot and ankle surgery 46.2 (2007): 65-74.

Additional Literature:

Schneider, Wolfgang, and Stefan Jurenitsch. “Normative data for the American Orthopedic Foot and Ankle Society ankle-hindfoot, midfoot, hallux and lesser toes clinical rating system.” International orthopaedics 40.2 (2016): 301-306.

About the score developer:

Dr. Melanie Sanders is a board certified orthopaedic surgeon who specializes in foot and ankle surgery. She is affiliated with Franciscan Health, in Mooresville, Indiana.

To view her publications, please visit PubMed.