Table 1. Sample means (± standard deviations) for the explanatory and response variables that were measured during the present study.
Explanatory Variables |
Response Variables |
Hitting zone length (mm) |
Racquet HA at Impact (°) |
Racquet VT BI (°) |
Racquet HVBI (m/s) |
Racquet VV BI (m/s) |
Ball Spin Rate (RPM) |
Total |
Cross-Court |
Down-the-Line |
79.8 (8.6) |
80.4 (3.6) |
18.6 (4.3) |
15.4 (1.4) |
6.6 (2.2) |
969(375) |
51.0 (7.6) |
49.2 (9.2) |
52.7 (8.7) |
HA = Head Angle; VT = Vertical Trajectory Vertical Trajectory; HV = Horizontal Velocity; VV = Vertical Velocity; BI = Before Impact