The right arm action in the golf swing may be the most misunderstood action/reaction in what makes a good golf swing repeatable and efficient. Learn the true role of the right arm and hand here in this article.
This video encompasses two of my favorite subjects. To be strong and fast beyond impact & Don't be a slave to the backswing. Watch and learn how and why this can make the world of difference to your swing.
Watch this Tiger Woods practice swing. Exiting left with the through swing with the hands is a nice way to continue the arc of the swing. The clubhead however doesn't need to go that way
Golf instruction has a fascination with what happens behind the ball. The takeaway- the backswing etc.... But how about if you changed your focus to the other side of the swing....
Slow arms during the swing can cause many issues. The body goes too early and stops. The hands pull down and throw the club. Try this drill to learn to be synched up
Having a strong pivot takes away any overuse of the hands. As Sam Snead so eloquently stated- "The feet govern the pivot". Watch one of my PGA Tour players use the Downunder Board for extreme training.