Match shoulder plane with wrist alignment
Craig Hanson describes many players reaching the high 30-degree range for shoulder plane, near a 40-degree reference, while club golfers are often around the mid-20s with poor wrist alignments. His backswing recommendation is to improve both shoulder plane and wrist alignment together.
Channel: CraigHansonGolf
Watch official source at 3:50Why this context matters
The angle is a video-analysis benchmark and depends on seeing the measured shoulder line.