Here's a great tennis serve drill that helps with a very important aspect of power. Elbow Action! ✅ Once the racquet drops over your head the next thing that needs to happen is the elbow getting thrown forward! ✅ This like is where over 50% of your power is gained. #tennisserve #tennisservedrill #tennistip #tennistips #tennisdrill #tennistraining #tennisplayer #tennisfundamentals #tennistechnique #tennislove #tenniscoach #tennis🎾 #protenniscoaching #jefflewistennis #victorytennisprograms #tenni