TENNIS FITNESS LEVEL 2 - STRENGTHENING THE CORE 2
TENNIS FITNESS LEVEL 2 - STRENGTHENING THE CORE 2. It’s no secret that tennis players need a strong core for rotational power on groundstrokes and ... effective serves and overheads. In Level 1, we will showed you basic core strengthening exercises for stability and injury prevention. In Level 2, you will learn how to increase your strength for more rotational power and racquet head speed.