Quantitative Motion Analysis of Tai Chi Chuan: The Upper Extremity Movement

Figure 2

Using MS Kinect for obtainment of skeleton tracking data. (a) Definition of the individual directions. (b) The nine points included the head and the shoulders, elbows, wrists, and hands on both the left and right sides. (c) Calculation of the elbow joint angle.

(a)

(b)

(c)