[BerntR]

This brings up an important point that ties into the necessity for Hands to Pivot.

That was a very good clarification of the role of the right shoulder OB Left.

However, the pivot is the Black Jack of power generation. Work done by the most significant joints in the body during a golf stroke:

1) Lumbar
2) Right hip
3) Thoracic
4) Left hip and right elbow.
6) ........

Source: http://www.jssm.org/vol4/n4/18/v4n4-18pdf.pdf

I've added the numbers:

74% Zone 1
20% Zone 2 (11% elbows, 9% shoulders)
6% Zone 3 (Wrists)

This are the average figures across 4 golfers on different skills level. Their power profiles varies very little.


As a curiosity, the table also shows that the left ancle and left knee does negative work. You have the cause of Tigers previous knee injury right there in black and white. So if you flare your front foot more open at address, the Zone 1 percentage is likely to increase.