"Rubber-Band" Follow-Throughs?

Something's been bugging me for years.

You know how some golfers -- Michelson is an example, at least sometimes -- will follow through after a full swing and instead of holding the follow-through position their arms will bounce back as though their muscles were made of rubber and resisting the follow-through?   Always wondered about that.   Is it good or bad?   Is it related to the tension of opposing muscles?

This sounds logical.

So it's related to swing speed?

I don't really know. If one were to over-rotate the core of one's body in the follow through, the natural tendency would seem to be to somewhat snap back to a more normal position.  A very hard swing is likely to lead to the body rotating more in the follow through which then might cause the "snap back" effect as opposed to holding one's body in the over-stretched position.

Tiger does it a lot - with his driver.

Is there any correlation with "springing-back" with injuries?   With the quality of the shot?  With measured swing speed?   I mean, talking about muscle physiology,  this ought to have some significance.

As a hypothesis to be tested by observation, I predict that when a golfer shows the "swing spring-back effect" it is related to tension in muscles antagonistic to the golf swing, that swing speed is lower (though the one swinging the club thinks he is swinging harder), that there is increased probability that the shot is suboptimal, and increased chance of that golfer suffering an injury.

It's nothing more than "Style Points" much like the club twirlers. I was a big fan of Greg Norman's swing back in the 80's and he would whip it back down many times after a big drive. I guess I watched him do it too much because I noticed I started doing it myself and still do it today.

When I was junior player in the late 70's I went through a club twirling phase watching Lee Trevino do it. Luckily I grew out of that one!

Either way it has nothing to do with injury or club speed, it's all about the style points, Holmes!