If you want to lose weight, get a flat tummy & strengthen your abdominal muscles, try 7 Minute Workout and get a six pack while strengthening your core and toning your abs, with videos that show you how to perform each exercise.
The best exercises for regular people just like you and me, you can do a quick-fit workout anytime anywhere. It only takes 7 minutes. This 7 minute workout has been highlighted by the New York Times as offering "maximum results with minimal investment".
This 7 minute workout is based on HICT (high intensity circuit training), proven to be the “safest, most effective, and most efficient” way to improve your muscular and aerobic fitness, and make you healthier.
The best workout app consists of only 12 exercises to be done for 30 seconds, with 10 second breaks between each exercise. All you need is a chair and a wall. Repeat 2-3 circuits depending on how much time you have. Make it your first choice at home or at the office.