13/03/2026
I n s t r u c t i o n | the first move
The phrase βone-piece takeawayβ has been repeated in golf instruction for decades, yet from a biomechanical perspective it is arguably one of the more misleading pieces of guidance to have entered mainstream coaching language over the past half-century.
The expression implies that the club, arms, and shoulders should begin the backswing as a single rigid unit. While this concept may have been intended to discourage excessive hand manipulation, it fails to reflect the fundamental geometry and kinematics of the golf swing.
In reality, the golf swing is composed of multiple segments moving along arcs of different radii. The clubhead travels on the largest and longest arc, the lead hand on a smaller arc, and the lead shoulder on a smaller arc still. Because objects travelling on larger radii must cover greater distance to arrive at the same point in time, they must move earlier and at greater linear velocity than segments travelling on smaller radii.
Therefore, if the objective of a well-sequenced backswing is for the clubhead, hands, arms, and shoulders to arrive near the top of the swing at roughly the same moment, each reaching the end of its functional range, then the motion cannot realistically occur as a perfectly unified βone pieceβ movement. Instead, the geometry of the system requires subtle differential motion: the clubhead must begin moving first and travel faster than the lead hand, and the lead hand must begin moving earlier and travel faster than the lead shoulder.
A more precise understanding acknowledges that synchronisation in the backswing is achieved not through identical movement of each segment, but through correctly proportioned motion dictated by the relative arc lengths of the clubhead, hands, and shoulders.