my dad is 67yrs young he has a seriuos back problem(L-4and5) he had back surgery about 6 months ago(lumbar decompression) he just wants to get stronger not heavier I was looking at anavar for him. he is very interested(to my suprise) to try aas .he works out until he cant take the back pain anymore. we were thinking stronger muscles will would help hold him together better and stop some of the pain. any suggestions? thanks