ScienceContemporaryglobalhigh confidence

A 155-pound person burns more than 360 calories during 30 minutes of high-impact step aerobics.

Notes on verification

Confirmed by Harvard Health Publishing's widely cited calorie-burn chart (~372 calories for 155-lb person doing high-impact step aerobics for 30 minutes), consistent with claim and corroborated by secondary sources. [tier=silver indep_score=0.875 clusters=2 claim_tier=everyday]

Sources