Knees problem

Hi Alois and Jeff,

I do a lot of practice with my backhand and forehand topspin with knees bent enough and my knees are too tired. Do you have any exercise that can strengthen my knees?

Thx in advance! :D

Hi Archel,

I think strengthening your legs will help here.  You should probably go to a gym and get some professional help.  Getting stronger legs will help your game in general.