We chatted with a fitness pro who outlines the five best core exercises to flatten your lower belly. "These movements engage the lower abs through direct spinal flexion and anti-extension patterns ...

According to the health expert, the exercise is more effective at tightening stomach muscles than sit-ups and crunches ...

So many human beings have tried – and failed – to achieve the sort of stomach that would outshine ... in order to give them a thorough workout. Lay flat on your back, and then rise up to ...

A doctor has shared a simple exercise he claims helps tighten and flatten your stomach - and it's not sit-ups. Taking to his YouTube channel, which boasts 13 million subscribers, Dr Eric Berg DC ...

A doctor has shared a simple exercise he claims helps tighten and flatten your stomach - and it's not sit-ups. Taking to his YouTube channel, which boasts 13 million subscribers, Dr Eric Berg DC ...