If you want to solve your arm issues? ProKennex Ionic Ki 5 Racket is best racket for it. This racket is very suitable for 4.0 to 7.0 players. Most of the players who using this racket said that this is a good racket for power and control also this racket equally well at the net and base line. Some disadvantages of this racket is when ball contact the racket it give some funny sound, but using a dampener can solve that issue.