Measurement of soft tissue elasticity in the congenital clubfoot using scanning acoustic microscope

Koshi Hattori, Hirotaka Sano, Yoshifumi Saijo, Atsushi Kita, Masahito Hatori, Shoichi Kokubun, Eiji Itoi

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


To compare the soft-tissue elasticity between the medial, lateral, and posterior aspects, the deltoid and calcaneofibular ligaments, and the medial, lateral, and posterior capsular tissues were collected from 27 feet of 16 congenital-clubfoot patients. The tissue sound speed, which closely correlates to the Young's modulus, was measured using a scanning acoustic microscope. Contrary to our expectations, lateral ligament showed a significantly higher sound speed than medial ligament (P=0.0023). Lateral capsule also showed a higher sound speed than the medial one (P=0.0338). The results of the study indicated that the lateral soft tissues including the ligaments and capsule underwent severe contracture in congenital clubfoot.

Original languageEnglish
Pages (from-to)357-362
Number of pages6
JournalJournal of Pediatric Orthopaedics Part B
Issue number5
Publication statusPublished - 2007 Sep


  • Complete subtalar release
  • Congenital clubfoot
  • Scanning acoustic microscopy
  • Soft tissue
  • Tissue sound speed
  • Young's modulus

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Orthopedics and Sports Medicine


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