Originally Posted by lobman
Don't overlook some basics here--try switching to an "easy on the arm" multi. I have tried and recommend any of the following: Technifibre X-1 Biphase; Wilson NXT; Volkl Power Fiber II; Wilson Sensation; Gamma TNT 2; and Gosen OG Sheep Micro. Also lower your string tension; try dropping to lower end of recommended range for whichever racquet you use.
If your arm is very sensitive, I'd steer clear of OG Sheep Micro, TNT2 and NXT. They are on the firmer side of the "soft" strings.