By Tennis Channel May 24, 2025. Pop Culture. ... TAKE A KNEE: Improving your second serve. Try these two drills to add more spin to your kick serve. Published Nov 17, 2016. copy_link.

Methods: A total of 103 elite male tennis players (mean (SD) 15.92 (2.14), range 11–21) and 53 female tennis players (mean (SD) 15.0 (2.30, range 11–21) were isokinetically tested on a Cybex 6000 ...

Flexion – bending a joint. ... This occurs at the shoulder joint during an overarm tennis serve. ... Knee, elbow: Types of movement: Flexion/extension: Type of joint: Pivot: ...