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This Golf Swing Tip Will Fix Your Trail Arm in the Downswing

By Performance Golf Zone · · 3 min read
Performance Golf Coach Eric Cogorno on the golf course, mid swing with the golf club above his head and a pile of golf balls on the ground in front of him.

Golf is a game of precision, technique, and timing.

The golf downswing is a common roadblock for many players, especially those who are struggling with consistent ball striking.

Mastering the position and movement of the right arm (also known as the trail arm) can significantly impact your golf ball contact.

In our recent YouTube video we showcased key tips on how to effectively lead with your right arm during the downswing, along with a simple drill to help you practice this crucial aspect of your golf swing.

Understanding the Importance of Leading with the Right Arm in the Downswing

One trait that separates great ball strikers from inconsistent ones is the ability to lead with the right arm (or trail arm) during the downswing.

When executed correctly, this movement helps ensure that the club handle is positioned forward at impact, resulting in solid, consistent contact with the ball. Many high-handicap golfers struggle because their right arm lags behind, causing poor contact, loss of distance, and inconsistent ball flight.

Leading with the right arm brings the hands forward, aligning them over the left leg at impact—just as you see in professional golfers.

Key Movements: Adduction and External Rotation

To successfully lead with the right arm, two technical movements are crucial: adduction and external rotation.

  • Adduction: This involves bringing the bicep closer to your chest. By definition, adduction is the “movement of a limb or other part toward the midline of the body or toward another part.” By shortening the distance between the bicep and the chest, the hands naturally move forward. This movement directly impacts the position of the club handle, helping to achieve that all-important forward position at impact.
  • External Rotation: This refers to rotating the right elbow inward towards the left elbow during the downswing. This movement helps maintain the right arm’s lead and keeps it in front of both the wrist and the hip as the club descends. Combining adduction and external rotation effectively places the arms in the correct position, setting up the golfer for solid contact.

Practicing with a Simple Golf Downswing Drill

To help golfers internalize these movements, there’s a simple yet effective drill that involves using an alignment rod.

By placing the rod under the right armpit and swinging to a position where the left arm is parallel to the ground, you can monitor the pressure the rod applies against the left arm.

If done correctly, the rod should press firmly against the left arm, indicating proper adduction and external rotation. If the right elbow falls behind, the rod will lose contact with the arm, highlighting a common error (see below).

Performance Golf Coach Eric Cogorno on the golf course, with an alignment rod positioned underneath his right arm with a golf club in his hands.

Be sure to watch and reference the video above to be sure you’re understanding the correct movement in the drill, as this is crucial to your success in improving your golf swing!

Practice This Golf Drill for Consistent Ball Striking

Leading with the right arm in the downswing is a key factor in achieving consistent, solid ball striking. By focusing on adduction and external rotation, and practicing with the alignment rod drill, golfers can develop the muscle memory needed to maintain proper arm positioning throughout the swing.

While this technique may feel different at first, with practice, it can lead to significant improvements in your game. Remember, mastering this movement takes time and patience, but the results will be well worth the effort!

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