In this study, a modal testing system that combining the ultrasonic imaging and the accelerometers was used to estimate the resonant frequency of Achilles tendon.

• 本实验采用模态测试方法，利用超音波系统与加速度计系统结合，找出人体中最容易受伤的阿基里斯腱之共振频率，作为临床诊断的评估工具。