Originally Posted by SwankPeRFection
If he wanted something different because his arm was bothering him with RPM at 58 (which is too high for poly anyway), then you should have given him RPM at 44lbs. I had a client who insisted I string is RPM at 58 and not lower. When he came back to get restrung we consulted again and he indicated he was having some arm soreness after playing sometimes. Told him to just humor me one time and let me string it at a different tension. I strung it and gave it back to him without telling him what it was. Just told him to go play and see what happens. He came back happy and I told him it was 44lbs. He was shocked that 44 wasn't causing him to hit everything out. He actually played better with the lower tension and no more arm pain.
I never suggest normal players to play with poly anywhere in the 50's. Always 40's (mid to low). Nobody believe it until they try it. It's like everyone's been sold on the idea that if it's not strung at 60, you'll hit out.
I have exactly the same situation going on. A client I string for was complaining about arm pain AND only getting 2 sets of tennis out of a set of poly on his 99S. I stair stepped him down from 58 to 50. He didn't notice any difference in play; i.e. win/lose, but did notice his strings last 3X longer and his arm felt better.
Recently, he asked me to go back up on tension. I did. His arm started hurting again. He sent me two frames last night and a message "Never listen to me again, you are in charge".