One fault, one article.
Shorter pieces than the guides, each on a single thing that goes wrong in a golf swing — what causes it, what it looks like on video, and how you would know.
Ball Flight
- Ball Flight
The Chicken Wing: Lead Arm Breakdown at Impact
The chicken wing is the lead arm folding and the elbow escaping through impact. It is usually a symptom of an open face or out-to-in path, not the disease.
7 min read - Ball Flight
How to Fix a Hook
A hook is the clubface closed relative to the club path at impact. Learn to tell a pull-hook from a snap hook, find the cause, and drill the matching fix.
9 min read - Ball Flight
Over the Top: Why It Happens and How to Fix It
Over the top is the club moving out and over plane in transition, giving an out-to-in path. What causes it, how to spot it on video, and the fixes.
7 min read - Ball Flight
Why You Top the Ball: Low Point Explained
You do not top the ball because you lifted your head. You top it because the low point of your swing arc is in the wrong place. Here is the real mechanism.
9 min read
Swing Mechanics
- Swing Mechanics
Casting vs Lag: What an Early Release Costs You
Lag is the angle between lead arm and shaft in the downswing. Casting throws it away early. Here is what that costs, and why holding lag on purpose backfires.
8 min read - Swing Mechanics
The Reverse Pivot: A Backswing Weight Mistake
A reverse pivot moves your weight toward the target in the backswing and away from it coming down. Here is what it looks like on camera and what it costs.
8 min read - Swing Mechanics
Shaft Lean at Impact: Why 7° Matters
Shaft lean is the shaft tilting toward the target at impact. It de-lofts the club, moves the low point forward and is a result of sequencing, not hand action.
7 min read - Swing Mechanics
Wrist Flexion, Extension and the Clubface
Bowed and cupped are flexion and extension. What each does to the clubface, how the wrist changes from P4 to P7, and why the face rules start direction.
7 min read
Measure Your Swing
- Measure Your Swing
The 33 Body Landmarks Pose Estimation Tracks
Pose estimation puts 33 labelled points on your body in every frame. Here is what each group covers, which ones matter in a golf swing, and where it fails.
8 min read - Measure Your Swing
Down-the-Line vs Face-On: Which Angle Shows What
Down-the-line video shows plane, path and shaft position. Face-on shows weight shift, low point and shaft lean. Using the wrong one is the top analysis error.
8 min read - Measure Your Swing
How to Read Your Swing Data: Tempo, Path, Face
What tempo, club path, face angle and shaft lean each mean, which are causes and which are effects, and why you should only ever change one thing at a time.
8 min read - Measure Your Swing
What 240 fps Shows That 60 fps Misses
At 60 fps a frame lasts 16.7 ms; at 240 fps it lasts 4.2 ms. Here is the arithmetic behind why impact, shaft lean and face angle need a high frame rate.
8 min read
Tech & Gear
- Tech & Gear
Do You Need a Launch Monitor?
Launch monitors tell you what the ball did, not why your body made it happen. Here is what they measure, where they help, and where a phone camera is better.
8 min read - Tech & Gear
Golf Swing Speed by Handicap: The Honest Answer
Why published swing speed averages by handicap disagree with each other, what clubhead speed actually measures, and how to establish a baseline you can trust.
8 min read
Looking for the long version?
The guides are the full reference — swing plane, the P1–P10 sequence, tempo, hip turn, and how to film a swing worth measuring.
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