Avoid This Trail Arm Fault That Kills Your Lead Arm Position (With My Armband Drill)

Ged Walters demonstrating the common trail arm mistake that prevents many amateur golfers from getting a straight lead arm in the golf swing, with the trail arm folding and the wrist angle lost at the top of the backswing which ultimately causes the lead arm to bend, and an inset image of Ged Walters demonstrating his armband drill to promote effective folding of the trail arm.

As we head into the 2026 golf season, plenty of amateur golfers will be going through their preparations to tune up the swing and nail their fundamentals - but which are the commonly overlooked aspects which could hold the key to success this year?

Understanding how to get a straight left arm in your golf swing is a crucial lesson for golfers of all abilities, but many amateurs make one common mistake... failing to understand the relationship between the lead and the trail arm in the golf swing.