The Scientific 7-Minute Workout
What you need to know: High-intensity interval training. Do each exercise for 30 seconds, with a 10 second break in between. The 12 exercises are: Jumping jacks (Total body) Wall sit (Lower body) Push-up (Upper body) Abdominal crunch (Core) Step-up onto chair (Total body) Squat (Lower body) Triceps dip on chair (Upper body) Plank (Core) …