Biomechanical study of the subtalar joint using a three-dimensional robotic joint simulator

• Project/Area Number: 25462345
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Orthopaedic surgery
• Research Institution: Sapporo Medical University
• Principal Investigator: watanabe kota 札幌医科大学, 保健医療学部, 教授 (50404629)
• Co-Investigator(Kenkyū-buntansha): 鈴木 大輔 札幌医科大学, 公私立大学の部局等, 研究員 (40372817)
• Co-Investigator(Renkei-kenkyūsha): FUJIE Hiromichi 首都大学東京, システムデザイン学部, 教授 (20199300)
• Project Period (FY): 2013-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000); Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
• Keywords: 生体工学 / 未固定人体標本 / 足関節 / 距骨下関節 / 関節安定性 / 靭帯再建術 / 靭帯損傷 / 靭帯再建 / 未固定凍結人体標本

Outline of Final Research Achievements

The purposes of this study were to investigate biomechanical characteristics of the subtalar joint and to develop a new ligament reconstruction procedure reproducing normal joint stability and kinematics. A three-dimensional robotic joint simulator was used to repeat joint motion in cadaveric foot specimens. The calcaneofibular ligament has a role to stabilize the subtalar joint. We acquired the data of in situ force and stabilizing contribution of the ligament during joint motion. Using the data we investigated appropriate initial tension of the grafted ligament to achieve normal hindfoot function. As a result, condition of 30 N of the initial tension reproduced joint stability and kinematics closest to the normal condition. These results will contribute to acquire better outcome following treatment of ankle ligament injury by understanding biomechanical characteristics of the ligament and improving operative procedures.

Research Products

• [Journal Article] The in situ force in the calcaneofibular ligament and the contribution of this ligament to ankle joint stability. (2016)
  • Author(s): Kobayashi Takuma, Yamakawa Satoshi, Watanabe Kota, Kimura Kei, Suzuki Daisuke, Otsubo Hidenori, Teramoto Atsushi, Fujimiya Mineko, Fujie Hiromichi, Yamashita Toshihiko.
  • Journal Title: Clinical Biomechanics Volume: 40 Pages: 8-13
  • DOI: 10.1016/j.clinbiomech.2016.10.009
  • Peer Reviewed / Acknowledgement Compliant
• [Presentation] In Situ Force of the Calcaneofibular Ligament and the Contribution of the ligament to Ankle Joint Stability (2014)
  • Author(s): Takuma Kobayashi, Satoshi Yamakawa, Kota Watanabe, Kei Kimura, Daisuke Suzuki, Hidenori Otsubo, Atsushi Teramoto, Mineko Fujimiya, Satoshi Nagoya, Hiromichi Fujie, Toshihiko Yamashita
  • Organizer: 60th Annual Meeting of Orthopaedic Reseach Society
  • Place of Presentation: New Orleans, USA
• [Presentation] ロボットシステムを用いた足関節外側靭帯の生体力学的研究 (2013)
  • Author(s): 小林拓馬 渡邉耕太 大坪英則 山下敏彦 鈴木大輔 藤宮峯子 山川学志 藤江裕道
  • Organizer: 第86回日本整形外科学会
  • Place of Presentation: 広島
• [Presentation] ロボッティクスを用いた踵腓靭帯の生体力学的研究 (2013)
  • Author(s): 小林拓馬 渡邉耕太 鈴木大輔 大坪英則 山川学志 藤江裕道 名越智 藤宮峯子 山下敏彦
  • Organizer: 第28回日本整形外科学会基礎学術集会
  • Place of Presentation: 幕張
• [Presentation] ロボットシステムを用いた足関節外側靭帯の力学的機能解析 (2013)
  • Author(s): 山川学志、小林拓馬、木村圭、渡邉耕太、鈴木大輔、山下敏彦、藤江裕道
  • Organizer: 第40回日本臨床バイオメカニクス学会
  • Place of Presentation: 神戸