Golf Tutorials

What Is the Most Important Part of a Golf Swing?

By Spencer Lanoue
July 24, 2025

Ask ten different golfers about the most important part of a golf swing, and you'll likely receive ten different answers. One will swear it’s all in the grip, another will say it’s the downswing transition, and a third will tell you it's finishing in balance. The truth is, they're all a little bit right. This guide will walk you through the entire swing sequence, piece by piece, to help you understand how each part connects and to finally settle the debate on where your focus will yield the biggest results.

It’s a Chain Reaction, Not a Checklist

Before we pinpoint one single "most important" element, it's helpful to stop thinking of the swing as a list of positions and start seeing it as a fluid chain of events. A sound grip allows for a proper setup. A proper setup promotes a correct backswing. A correct backswing positions you for a powerful downswing, and so on. A weak link anywhere in that chain forces you to make compensations later on, which is the root cause of inconsistency.

The goal isn’t to perfect six different things, it's to build one continuous motion where each phase flows naturally into the next. The best golfers make it look easy because their swing is an efficient sequence, not a clunky collection of parts. With that said, there is one phase where potential is turned into performance, and it’s where most amateur golfers can make the most significant gains.

The Foundation: Your Grip and Setup

While maybe not the most glamorous part of the swing, your grip and setup are the foundation upon which everything else is built. If you get this wrong, you're fighting an uphill battle before the club even moves. Think of the grip as the steering wheel of the club and your setup as the chassis of your swing: they determine the starting conditions for direction and power.

How to Hold the Club

Your connection to the club has a massive influence on where the clubface points at impact. An improper hold will force you to manipulate the club during the swing to try and hit the ball straight, a tough and inconsistent task.

  • Start with a Square Face: Before your hands even touch the club, make sure the clubface is pointing correctly at your target. The leading edge should be perfectly vertical. You can use the logo on your grip as a guide to ensure it’s not twisted.
  • Top Hand On (Left Hand for a Righty): Place your top hand on the grip primarily in the fingers, running from the base of your little finger to the middle of your index finger. As you close your hand, you should be able to see the first two knuckles. The "V" formed by your thumb and index finger should point toward your right shoulder. This is a neutral position.
  • Bottom Hand On (Right Hand for a Righty): Bring your bottom hand to the club so the palm faces your target. The palm of your right hand should cover your left thumb. Whether you interlock your pinky, overlap it, or use a ten-finger (baseball) grip is a matter of personal comfort. None is inherently "better" as long as your hands feel connected and secure.

Fair warning: A correct golf grip feels odd. It's unlike holding almost anything else. If you're adjusting from a long-held incorrect grip, it will feel very bizarre at first. Stick with it - the club will feel much more stable and easier to control through the swing.

How to Set Up to the Ball

Your setup puts your body in an athletic position, ready to rotate powerfully and in balance. This is another area that can feel "weird" for new players, but a good an athletic address position is a tell-tale sign of a good player.

  • Posture First: Start by standing straight, then hinge forward from your hips, not your waist. Feel like you are pushing your rear end backward while keeping your back relatively straight. This creates room for your arms.
  • Arms Hang Naturally: From your hinged position, let your arms hang straight down from your shoulders. This is where you should be holding the club. If you're too upright, your arms will be jammed into your body, if you're too bent over, they'll be reaching. Neither is powerful or repeatable.
  • Stance Width for Stability: Your feet should be about shoulder-width apart for a mid-iron. This creates a stable base to rotate around. Too narrow, and you'll struggle to generate rotational force, too wide, and you'll restrict your hip turn.
  • Ball Position: For short and mid-irons (like a 9-iron through a 7-iron), the ball should be positioned in the center of your stance. As the clubs get longer, the ball moves progressively forward. For your driver, it should be lined up with the heel of your front foot.

The Backswing: Storing Power

The backswing has one primary job: to turn your body and swing the club into a position where it can be delivered to the ball with power and consistency. Many golfers overcomplicate it. The essential feeling is a rotational action, not an up-and-down lifting motion with the arms.

Imagine you're standing inside a large barrel or cylinder. Your goal during the backswing is to turn your body away from the target while staying within the confines of that cylinder. You aren't swaying off the ball to the right, you are rotating your hips and shoulders around your spine.

As you initiate the takeaway with this body rotation, let your wrists hinge naturally. Just a slight set of the wrist angle in the first part of the backswing will help get the club on the right plane and prevent it from getting stuck behind you. You only need to turn as far back as your flexibility comfortably allows. Don't feel you have to get the club to parallel if it means losing your posture or balance. A shorter, controlled backswing is always better than a long, sloppy one.

The Most Important Part: The Downswing and Impact

Here it is. If you have to pick one phase of the swing that separates great ball-strikers from average golfers, this is it. The backswing stores potential energy, the downswing and impact sequence is where that energy is released and transferred into the golf ball.

This is where everything comes together, and it’s why it earns the title of "the most important part." Why? Because a swing with a good setup and a great backswing can still fail miserably if the downswing sequence is wrong. Conversely, some pro swings look unconventional at the top but are nearly identical from the start of the downswing through impact. That's how important this move is.

The Golden Sequence

The key to a powerful and consistent downswing is the sequence of movements. Many amateurs get this backward. They start the downswing by spinning their shoulders or throwing their hands at the ball from the top.

A great downswing starts from the ground up.

  1. The First Move: A Subtle Shift: Before you even think about unwinding, the very first move from the top of the backswing should be a slight lateral shift of your hips toward the target. It's not a big slide, just a subtle bump. This move is what enables you to strike the ball first and then the turf (taking a divot after the ball), which is the secret to crisp iron shots.
  2. The Unwinding: Unleashing Speed: Once that initial shift happens, it’s time to unleash the power you stored in the backswing. Let your hips and torso rotate open toward the target. Notice that the arms and hands haven't done much yet, they are simply being pulled down by the body's rotation. This whip-like effect is what creates effortless speed. The club follows the body, not the other way around.
  3. The Impact Zone: As a result of this proper sequence, your hands will be ahead of the clubhead at impact, compressing the ball against the face for a powerful, penetrating flight. You don’t need to try and "help" the ball into the air by scooping it. Trust the loft on the club. Your job is to deliver the hitting force down and through the ball. The strike is simply something that happens along the way of a good swing.

If you take nothing else away, remember this: Shift, then turn. It’s a simple thought that triggers a complex chain of events in the right order. Practicing this sequence will have a more dramatic effect on your ball-striking than almost any other change you can make.

The Finish: A Portrait of a Good Swing

Your finish position isn't something you consciously try to do, it’s the natural result of executing the prior steps correctly. Think of it as a snapshot that tells the story of your swing. A balanced, athletic finish is proof that you released all your energy toward the target without holding anything back.

What does a good finish look like?

  • Your chest and hips are facing the target.
  • Nearly all of your weight (about 90%) is on your front foot.
  • Your back heel is off the ground, and you're balanced on your back toe.
  • You can hold this position comfortably until your ball lands.

If you're falling backward or wobbling off-balance, it's a clear signal that something earlier in the swing sequence - likely in that all important downswing - went awry.

Final Thoughts

The golf swing is a series of connected events, but the downswing and impact sequence is where consistency and power truly come to life. Focusing on initiating the downswing with a slight weight shift followed by a powerful body rotation is the one change that can transform your ball-striking more than any other.

Of course, understanding this on a blog is one thing, feeling it in your own swing is another. For that, instant, personalized feedback is incredibly helpful. At Caddie AI, we help you break down your motion by analyzing your swing and giving you the kind of simple, actionable feedback that used to be only for the pros. By filming your swing or even snapping a picture of a difficult lie on the course, you get a 24/7 coach in your pocket, ready to show you exactly which part of your swing's chain needs the most attention, helping you play with more clarity and confidence.

Spencer has been playing golf since he was a kid and has spent a lifetime chasing improvement. With over a decade of experience building successful tech products, he combined his love for golf and startups to create Caddie AI - the world's best AI golf app. Giving everyone an expert level coach in your pocket, available 24/7. His mission is simple: make world-class golf advice accessible to everyone, anytime.

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