I'm a big guy with chronic back problems and I find it very uncomfortable to rest the guitar on my leg and play like I see in most all of the GT videos. The slight twist is uncomfortable for me and I feel like I have to hunch over to access the strings. Not to mention the fact that it also feels like the guitar wants to slip right off of my leg.

I'm a bass player who has always relied on the guitar strap to hold the bass up in the center of my torso. When playing my strat or semi-hollow 6-string guitar, I always rely on the strap and rest the bottom of the guitar on my inner thigh (much like the classical guitar position).

The only time I can semi-comfortably play without a strap while resting the guitar on my leg is when I have something to put my foot up on.

Is this a big deal? Is it a bad habit? Is it OK to just use the strap to hold the guitar centered in my torso? Or should I work on resting the crook of the guitar on my leg like I see most people do?