Being able to rotate your hips correctly during your downswing and through impact is crucial if you want to generate maximum power and therefore shot length.

If you collapse your arms and pull your hands in towards your body during your back swing, then you are not creating the widest possible arc for your golf swing. Keeping your left arm straight is essential in creating width for your golf swing and this in turn allows you to create speed which will produce your longest golf shots. It will also help you achieve improved directional control for your golf shots. So here’s a great drill to ensure you extend your left arm during your back swing and stop you collapsing your arms at the top.