Mark Immelman, host of the On the Mark Podcast, shares 24 Advent Season Golf Tips to help you improve your golf swing.

In Tip #10 Mark dives further into the action of the Trail Arm during the golf swing. He describes how it moves and how it folds and unfolds (for power) during the swing. He shares a Ben Hogan nugget about the action as well as a drill to check on the elbow shape and swing width at the top of the swing.