For a long time I was putting line on my spinning reels incorrectly and creating twist. You want to lay the spool flat on the floor and have the line coming off the spool in a counter-clock-wise direction. Most of the time that will be label up, but not always so be sure and check. A bigger spinning reel does seem to have less issues than a small reel. Also make sure your reel is rated for the size line you are using. They usually list three sizes on the reel spool, i would want the line size i planned to use to be the first listing or no more than the middle listed number. Example if you your reel says 2, 4, and 6, then to me that is a 2-4 LB. test reel at best. I like a 2000-3000 size reel it will handle 6-8LB much better than a reel that is mainly rated for 4LB. I have a bad shoulder too, but using too light of a reel and having to fight to keep your rod tip up all the time is what really wears on you...not the weight of the reel. To me, i have found a little bigger reel helps to balance the rod and not make it so tip heavy. Personally I disagree with folks that think putting a micro reel on a 10 foot pole will somehow make the pole easier to hold. Sorry didnt mean to go off topic...back to line twist, another tip (hardest of all to do) is don't reel when you hear your drag slipping, that will surely put twist in your line. Let the rod and drag fight the fish, and when drag stops slipping then go back to reeling. Hope you found something useful in my ramble...good luck