Qiu Dan, Kamper Derek G
Annu Int Conf IEEE Eng Med Biol Soc. 2014;2014:4013-6. doi: 10.1109/EMBC.2014.6944504.
An anatomically realistic biomechanical model of the index finger was created using a force-based approach in order to predict the isometric fingertip force or dynamic movement based on the forces of 7 index finger musculotendons. The model was validated for static forces through comparison with experimental results from 5 cadaver specimens. The model reliably simulated the isometric fingertip force produced by loading individual tendons. The average error in fingertip force direction was less than 2° and the average error in magnitude was less than 10% across finger postures for each muscle. Subsequent employment of the model to examine force transmission from the long flexors revealed a strong dependence of joint contact force on finger posture for a given tendon load. This may have ramifications for osteoarthritis as high joint contact forces are thought to contribute to the disease.
使用基于力的方法创建了一个符合解剖学实际的食指生物力学模型，以便根据7条食指肌腱的力来预测等长指尖力或动态运动。通过与5个尸体标本的实验结果进行比较，对该模型进行了静态力验证。该模型可靠地模拟了加载单个肌腱时产生的等长指尖力。对于每块肌肉，在不同手指姿势下，指尖力方向的平均误差小于2°，大小的平均误差小于10%。随后使用该模型来研究长屈肌的力传递，结果表明，在给定的肌腱负荷下，关节接触力强烈依赖于手指姿势。这可能对骨关节炎有影响，因为人们认为高关节接触力会导致这种疾病。
