Lag vs Casting In Your Golf Swing

Lag vs casting and the power that is delivered to the ball can be explained simply as when that power is used. Is it early in the swing or is it at impact? The longer we can store the energy in our swing (lagging) and the closer we can release it at impact, the more efficient our swing will be in relation to the power we generate.

For example, there are two people who swing the club at 100MPH but one golfer applies the 100MPH early in their swing (casting) while the other delivers the 100MPH at impact (lagging). The golfer who releases the 100MPH of energy at impact will inevitably transfer more energy into the ball and the ball will travel further.

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11 Responses to Lag vs Casting In Your Golf Swing

  1. George Turtle April 8, 2019 at 12:59 pm #

    In the middle of the video there is a graphic instead of Gene. I really wanted to see him show how the left shoulder moves in the downswing to create the casting.

    • Gary Lamb May 22, 2019 at 3:29 pm #

      I’ve gotten that too in about the last 3 or 4 videos. Hopefully Gene can do something about it in upcoming videos

  2. John Rosenthal April 8, 2019 at 12:59 pm #

    love what you are saying about lag, but how to achieve this isn’t quite so simple – how can you achieve – what is your first move? Thanks John R

    • Gene Parente April 14, 2019 at 2:57 pm #

      Tricky question to answer in a text but here are some simple rules. One of the most common mistakes that most golfers make is that they think that power comes from immediate acceleration or jerking at the beginning of the downswing. It is almost instinctual to think that to do something fast you need to start fast.
      The reality is that you actually need to start slower and build up velocity so that it peaks right at impact.
      There is an adage in golf that says “slow to go fast”. It definitely applies to the swing.
      When you start fast or jerk it causes the hands to release the club head early which loses all of the energy potential of the wrist hinge acceleration. It also has the effect of causing your head to move which makes returning the club head to the impact position very difficult.

  3. John rosenthal May 4, 2019 at 5:36 pm #

    It sounds like you are saying develop a slow back swing. Is that correct – and I assume you need to start the swing with your hips and not your arms.

    • Gene Parente May 5, 2019 at 2:31 pm #


      The backswing speed is more of a personal preference. My comments were on the start of the downswing and that you did not want to “jerk” or start fast but instead starting slow and ramping up your speed so that your wrists can release at impact to maximize club head speed.
      Yes you are right that your power starts with your hip and should rotation.

  4. paul May 21, 2019 at 7:16 pm #

    casting is a learned swing error caused primarily by starting the forward swing with arm swing instead of footwork.loss of balance,poor understanding of footwork or swinging arms forward before rotating torso forward are all symptoms of swinging over the top.swinging your arms forward with your weight still on the back foot gives you two choices.stick the club in the ground behind the ball or stand up and cast the clubhead.most golfers choose the latter and teach themselves another swing flaw.your explanation was incomplete with no real solution offered.balance,footwork,tempo and forward swing sequence work precede any meaningful solution to the casting issue.if you are willing to do the work,find a teaching professional with at least 20 years of teaching experience.

  5. Raymond Chastel June 30, 2019 at 3:15 am #

    The best image you can rely on is the one of a whip ;the clubhead must whip through the ball.Just observe how the best pro’s on the Tour do .They start slowly from the top and accelerate progressively ;The wrists must be the loosest possible to acheive such an acceleration ;Also strong wrists do help .That’s what the Spaniards do :They play “pelota ” young and develop a lot of power in the wrists

  6. Gary Lamb July 1, 2019 at 3:18 pm #

    Still getting Trackman graphics in middle of video. Isn’t there anything that can be done to eliminate that. Does anyone look at the video before posting it?

  7. Ernest Modestino August 4, 2019 at 5:32 am #

    Gene, does lag also apply for iron shots. Been working on this with my Driver with some success but having issues trying this with my irons.


    • Gene Parente August 4, 2019 at 5:46 pm #


      Yes it does. The thing to remember about iron shots is that the club is heavier and shorter so that it will naturally lag behind the ball into impact. I would recommend if you haven’t already done it, to play with ball stance position. A ball further back in your stance will create a more negative attack angle and will provide you with longer iron shots.

      A word of caution though; as with everything in golf the better pro trajectory requires more consistency and can create larger misses. Also when you are practicing with a ball position back in the stance be prepared for shots to initially go to the right.

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