7 day, full body, at home, body weight workout. This simple but effective. You will be surprised how your body becomes stronger in just one week. Combine this routine with healthy diet and you are on your way to go.
A no fuss workout to do before bed so you can rest right after. Change it to suit you. Not intense. As long as you do this most nights you should be well on your way to a flat stomach! Live long and be well!