Biomechanical investigation of flexor digitorum tendons in trigger finger patients using sonography

Yi-Chuan Chou, Su-Ya Lee, Yuh-Ping Tsai, Li-Chieh Kuo, Szu-Ching Lu, Hsiao-Feng Chieh, Chien-Ru Lin, Yung-Nien Sun, I-Ming Jou, Fong-Chin Su, Tai-Hua Yang

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Abstract

Trigger finger (TF) has generally been ascribed to primary changes in the first annular (A1) pulley. Repeated friction between the A1 pulley and flexor digitorum tendons could result in swelling of soft tissues, and thus it has been speculated that TF affects tendons’ biomechanical behaviors. However, the pathology mechanism related to these behaviors remains unclear. The purposes of this study are to understand (1) the variations in the morphologies of the flexor digitorum profundus (FDP) and flexor digitorum superficialis (FDS) between normal fingers and TFs, (2) the differences in the biomechanical behaviors of the FDP and FDS between normal fingers and TFs in various finger flexion positions, and (3) the effect of various finger positions on the biomechanical behaviors of the FDP and FDS.
Original languageEnglish
Number of pages2
Publication statusPublished - 12 Jul 2018
Event8th World Congress of Biomechanics - Convention Centre Dublin, Dublin, Ireland
Duration: 8 Jul 201812 Jul 2018
http://wcb2018.com/

Conference

Conference8th World Congress of Biomechanics
Abbreviated titleWCB
CountryIreland
CityDublin
Period8/07/1812/07/18
Internet address

Keywords

  • trigger finger
  • annular pulley
  • flexor digitorum tendons

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    Chou, Y-C., Lee, S-Y., Tsai, Y-P., Kuo, L-C., Lu, S-C., Chieh, H-F., Lin, C-R., Sun, Y-N., Jou, I-M., Su, F-C., & Yang, T-H. (2018). Biomechanical investigation of flexor digitorum tendons in trigger finger patients using sonography. Abstract from 8th World Congress of Biomechanics, Dublin, Ireland. http://ir.lib.ncku.edu.tw/handle/987654321/182762