Human Standing-Up Trajectory Model and Experimental Study on Center-Of -Mass Velocity

Abstract

In order to solve the rehabilitation training problem of sit-to-stand conversion for patients with lower limb dysfunction, this paper studies the human sit-to-stand conversion process, establishes the human standing-up trajectory model, and obtains the mass center and velocity equation of each joint. The optical motion capture system is used to measure the kinematics data of the transformation process of human sit-to-stand, which verifies the accuracy and reliability of the model. The results show that the vertical velocity is the most important factor that directly affects the process of sit-to-stand conversion, and the horizontal velocity is related to the stability of motion.