Hobbies

Golf swing analysis moves from video review to quantified 3D biomechanics

June 6, 2026 · From the archive, written in the Professor's voice before our October 2026 redesign from cnn.com

What happened

Bryson DeChambeau led investors who bought Sportsbox AI for an eight-figure sum in April. The company's 3D Golf app uses motion-capture to build an avatar of each swing. The model then compares joint angles, club path, and tempo against tour-player benchmarks.

Why it matters

Users stop guessing at fixes and start treating swing changes as measurable experiments. They can test one variable at a time and track numeric improvement rather than relying on feel alone. This shifts practice from repetition to controlled iteration.

Who's doing it

Sportsbox AI supplies its motion-capture pipeline to several collegiate golf programs. Teams using the system report a 12 percent average reduction in scoring average after eight weeks of avatar-guided drills.

Try it

1. Download the Sportsbox 3D Golf app from the App Store and create an account at https://sportsbox.ai.
2. Record your swing with the phone camera; the app builds a 3D avatar and lists joint-angle deviations.
3. Select one metric, such as hip-shoulder separation, practice the suggested drill, then re-record to see the numeric change.

Read the original at cnn.com