Few people think of golf as a strenuous sport.
But golfers are forever complaining of injuries. If you don't know what that looks like, browse through a trophy shop and you'll still see some golf awards with twisted players perched on top. It caused a lot of bad backs. Today, the ergonomic gurus teach more of a level swing with minimal changes in the angle of the spine as you rotate and complete the follow-through. This more erect angle puts a lot less strain on the torso.