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