There is no perfect backswing, but there are problematic ones. A backswing that’s too short, for instance, can lead to an inconsistent sequence, a loss of power, poor clubface control and poor contact.
When your backswing stops short of its full length, it’s a sign that you’re cheating your turn (photo, right). You quit rotating and instead lift your arms into what you feel is a loaded position. As you can see, there’s almost zero coil and very little built-up energy.
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