The Universal Swing Score by Sportsbox AI objectively evaluates the quality of a golf swing on a scale from 1 to 100. It is based on three main categories — Speed, Efficiency, and Consistency — and was developed to directly link swing mechanics with actual performance on the course (such as scoring average or handicap). The system uses a comprehensive database of over 250 different swings, categorized by club type, gender, and skill level.

In the Speed category, key metrics include rotational range of motion (chest, pelvis, X-factor), horizontal and vertical movements (slide, drop, lift), rotational speeds (°/sec), and release timing and angles. The goal is to precisely measure a player’s potential to generate clubhead speed.

The Efficiency category evaluates how effectively energy is transferred through the body to the club. Key data points include the kinematic sequence (pelvis → chest → arms → shaft), peak segment speeds, gain factors between body segments, and each segment’s contribution to clubhead speed. The transition order and the pelvis movement sequence (slide, turn, lift) are also analyzed.

Consistency measures how repeatable a player’s swing is across multiple attempts — the lower the standard deviation, the better. The score tracks rotation metrics, body positions, and timing of transitions between pelvis, chest, arms, and shaft. At least three swings are required, with ten or more preferred for better accuracy.

The results are visualized in reports and the app using color codes (green, yellow, red), Z-scores, and graphical comparisons. Each player also receives a two-letter swing type, based on their dominant movement direction (e.g., rotational) and main power source (e.g., core).

The Universal Swing Score offers a clear, data-driven benchmark for swing quality, giving players and coaches actionable insights for improvement.

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• The Universal Swing Score by Sportsbox AI