by uprightdoc ?? Mon Aug 13, 2012 5:54 am blossom wrote:...as you know positioning has always been an issue with me. when I am say at the computer for any length of time. after a while i can barely lift fingers arm wrist. i know my posture and body strength is a mess and i try to keep upright but can not do too good. my left hand and arm the one that still works about 60 percent will get ice cold.