Behavioral indicators

Serve type

Master sportsman

First-class athletes

Second-class athletes

Correct rate (%)

Jump serve

93.13 ± 8.41

92.92 ± 7.34

90.12 ± 8.76

Fluttering ball

95.83 ± 9.06

95.41 ± 7.28

93.14 ± 8.37

Place floating ball

97.21 ± 8.94

96.32 ± 8.91

94.31 ± 7.98

Reaction time (ms)

Jump serve

2631 ± 469.41

2876 ± 503.71

3019 ± 439.14

Fluttering ball

2573 ± 493.17

2731 ± 497.46

2864 ± 519.64

Place floating ball

2421 ± 429.97

2593 ± 387.54

2701 ± 407.56