Only takes 4 minutes, but its the longest 4 mins of my life: Burns as many calories as a 40-60 minute run. Makes your body adapt and improve very quickly. Increases metabolism for up to the next 36 hrs. Takes only FOUR minutes, Developed by a Japanese Scientist. NO EXCUSES. 4 minute workout? May have to try it soon.
Do this routine before bed 75 jumping jacks, 15 pushups, 45 crunches, 35 mountain climbers, and 55 second plank. Especially before bed when you eat late night to help metabolize your late evening snack!