Figure 1. Cross-country skiers with IMU, GPS, and heart rates sensor
Figure 2. Visualizations between time-trial locations and flat, uphill and downhill on the sprint course (left: male, right: female)
Table 1. General characteristics of the 2 professional skiers that participated in the study
Table 2. The change of cycle characteristic, heart rates, and ROM of double poling technique
Table 4. Planar displacements calculated through GE and GPS at each point from starting point
Table 3. The results of average velocity according to the characteristic of sprint course
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