Ready to torch your obliques? I added this simple standing ab exercise to my routine for a week. Here’s how I got on.

Many of my personal training clients list performing a full sit-up as one of their fitness goals. This gym class throwback may be a basic and well-known exercise, but it’s hardly an easy one.

The workout, designed by trainer Lucy Wyndham-Read, promises to burn belly fat while sitting down. As a reminder, you can’t spot-reduce fat in your body — if you’re looking to target belly fat, you’ll ...