^Yes. Contrary to most supposition on BF, more drop is easier on the back. It does demand flexibility. So get some. As long as you keep doing it, you can keep doing it. Once you decide you can't anymore, then sure enough - you can't. So stretch, get flexible, and ride strong.
There's also having good position on the bike to decrease tension in the back and neck: roll your hips forward and straighten your spine! See:
http://www.bikeforums.net/road-cycli...discovery.html
I gave up on spin classes years ago - I'm 71. Wrong position. Minimal help for actual cycling. Much better to get a set of resistance rollers and learn to use them. Then you're always on your road bike.
Be sure you always ride with bent elbows. Yes, wider tires at lower pressure will help if they fit your bike.
I still ride doubles on my race bike with -17° slammed stem. Still having fun.