DIY Swing Analysis: Phone Setup Tips and What to Look For

You don't need a $500 launch monitor or a teaching pro to understand what your swing is doing. Your phone, a tripod (or a propped-up bag), and 10 minutes can reveal more about your mechanics than years of guessing.

The challenge isn't capturing the video — it's knowing where to put the camera and what to look for once you have the footage. Most self-analysis fails because the camera angle is wrong, the footage is useless, and the golfer ends up more confused than before.

Let's fix that.

You need exactly two angles to analyze your swing effectively.

Angle 1: Down the Line (DTL)

This angle shows: swing plane, club path, shaft angle at key positions, head movement, and hip rotation.

Angle 2: Face On

Position the camera directly in front of you (on the opposite side of the ball from you), 8-10 feet away, at hand height. Center the frame on your chest.

This angle shows: weight shift, lateral sway, spine tilt, arm position, and how centered your turn is.

Use slow motion. Most modern phones offer 240fps slow motion in the camera app. This is essential — at 30fps, the downswing is a blur. At 240fps, you can see every position.

Film in landscape mode. Portrait mode cuts off either the top of the backswing or the bottom of the swing arc. Landscape gives you the full picture.

Use the back camera. It has better image quality than the selfie camera. Yes, this means you can't see the screen while filming — that's fine, set up the frame with a practice swing first.

Ensure good lighting. Bright, even light is ideal. Avoid filming with the sun directly behind you, which creates a silhouette.

Don't try to analyze everything. Pick these five checkpoints and evaluate them one at a time.

Analyzing during the session. Hit balls and record them. Analyze the video later, not between shots. Constant self-analysis during practice creates paralysis and overthinking.

Trying to fix everything at once. Pick one thing per session. One. If your address is off, fix that before worrying about your backswing plane. Changes cascade — fixing setup often improves everything downstream.

Comparing to dissimilar body types. A 6'4" flexible 25-year-old's swing will look nothing like a 5'8" desk worker's swing. Find a model that matches your body type and physical capabilities.

Ignoring the face-on angle. Most golfers only film DTL because it shows the "cool" swing plane stuff. But weight shift and lateral sway — visible only from face on — are equally important and often more actionable.

Several free apps allow you to draw lines on your swing video, compare side-by-side with tour players, and step through frame by frame. Most phone gallery apps have a built-in frame-by-frame scrubber that works for basic analysis.

When using drawing tools, focus on two lines:

The shaft plane line: Draw a line from the ball through the shaft at address. During the downswing, the club should return close to this line at impact.

The head movement line: Draw a horizontal line at the top of your head at address. Through the swing, your head should stay roughly on this line. Significant vertical movement (dipping or rising) indicates posture changes.

Once per week at the range: Film 5-6 swings from both angles with the same club. Go home and analyze them against the checkpoints.

Monthly comparison: Keep your best video from each month. Compare month 1 to month 3 — visible improvement is incredibly motivating and confirms that your practice is working.

Before and after changes: Whenever you make a swing adjustment, film a "before" video, then film again after a few sessions. This prevents the common problem of making a change, losing track of what you changed, and reverting without knowing it.

Video analysis is a tool, not a religion. If you find yourself filming every range session, obsessing over minor positions, and overthinking during rounds, step back. The goal is to identify 1-2 actionable items, work on them, and then verify with video periodically.

Over-analysis leads to paralysis. Use video to diagnose, practice to fix, and the course to verify. That's the cycle.

Your phone is the most accessible swing analysis tool in golf history. Set it up at hand height, down the line and face on, in 240fps slow motion. Focus on five checkpoints: address, top of backswing, impact, weight shift, and finish. Analyze one thing at a time, film once a week, and use monthly comparisons to track progress. You'll understand your swing better than you ever have — and more importantly, you'll know exactly what to work on.

1. Leadbetter, D. The A Swing. St. Martin's Press, 2015.
2. Jacobs, J. Practical Golf. Lyons Press, 1998.

• Camera setup recommendations reflect standard teaching professional practices for video analysis. The 0.3-second downswing duration is an approximate average for amateur golfers.