Good posture helps in every aspect of life. Here are 2 quick tips that will help with your golf swing.
Here is the 3:00 Slump video:
http://www.julietmaris.com/blog/2015/4/27/the-300-slump
Here is the transverse abdominus video:
http://www.julietmaris.com/blog/2014/7/28/the-core-effect