Swing Analytics (Sportsbox-style positional metric).
What it measures
SportsBox Chest Thrust @ IMP—torso depth toward (+) or away (−) from Address at Impact on the DTL depth axis.
Units: inches
Why it matters
Explains thorax depth into the strike window beside pelvis thrust IMP and torso rotation IMP.
When the number looks wrong or noisy
High thrust with flat rotation often maps to sliding hips—read Turn @ IMP too.