🔥🥵🏃♀️ burning fat on L3-4 at 90-100 watts for a 20 mins 35-40 flights or about 600 stairs 😂
OOutKastN8·Step Mill·2025-08-09🔥🥵🏃♀️ burning fat on L3-4 at 90-100 watts for a 20 mins 35-40 flights or about 600 stairs 😂1