The Role of Knee Positioning and Range-of-Motion on the Closed-Stance Forehand Tennis Swing

Table 5. Core body work and correlations with knee positions and ROM.

Hip Trunk Rotat	Mean (Nm)	SD (±) (Nm)	Rear Knee IP: Setting (R²)	Rear Knee ROM: Setting (R²)	Front Knee IP: Swing (R²)	Rear Knee IP: Swing (R²)	Front Knee ROM: Swing (R²)	Rear Knee ROM: Swing (R²)
Setting phase	117	39.6	----	.354	----	----	----	----
Swing phase	268	67.3	----	----	.312	----	.442	.341

All variables are significant at p<0.05 unless indicated by *