5 HIIT workouts for busy people: 10-20 minute routines with zero equipment that burn 300 calories
Your alarm screams at 6:30 AM. Coffee brewing, emails pinging, kids stirring upstairs. Twenty minutes until you leave for work. You stare at your unused gym membership card gathering dust on the counter. Sound familiar? High-Intensity Interval Training transforms this morning chaos into your fitness solution. No commute, no equipment, no excuses. Certified trainers confirm … Lire plus









