Depending on whether you are a hooker or slicer, making a minor adjustment to your setup and having a plan before you hit the course is key
The most common cause of a bad back is keeping your back foot flat on the ground in the golf swing; get up on your back toe to eliminate excessive torque
When faced with a course that has fairway surrounded by fescue first take a few practice shots to get familiar with the tall grass, then either play a wedge to the fairway or if you can go for the green play a shorter style punch finish that will allow the ball to go low and release