Here is an Arm Friendly combo with lots of pop ...

[sequoia]

a bit pricey but worth it if you are looking for durability with lots of feel and lots of pop ... try this one out if you have arm problems..

Vokle Fiberpower 2 16 gague for the mains...

a multi simular to nrg2 but a bit stiffer and a bit thicker gague ... 1.33 for the 16 which makes it last a bit longer than the others ....

Wilson's new Hollow Core Pro 17 for the cross.....

lots of pop which adds a lot of life to the mains and softens the string bed a bit... very crisp and seems to hold tension with the stiffer string on the main ..

 

[Jakedasnake]

I haven't heard of the volkl, but the hollow core pro is all right. It's got pop, but I struggled with spin. I think maybe nxt in the cross

 

[sequoia]

try using the hollow core as the cross and the nrg as the main ....although the vokel is a bit stiffer than the nrg and will impove the potential for spin and will last longer .....but if you already have nrg and hollow core. then try the hollow as a cross.