I have heard it so many times before. As a young boy teeing off "keep your arms straight". Even my own father would shout it at me. Now as a man when googling for golfing tips almost every single coach on google says the same thing, "keep your arms straight". I am however beginning to think that this is just a cliche that they are passing on, and they do not even know the meaning of it themselves, as quite simply when they tee off they also do not keep their arms straight throughout the swing. Quite simply, it is impossible to do.
Standing at six o'clock, you can really only backswing until 3 o'clock before it becomes impossible to backswing any higher without bending the arms.
So what do they mean by "keep your arms straight"? This is not good advice without explaining the entire process.
Plenty examples in of what i mean in this link