A trainer explains how to perform five essential core exercises to sculpt a leaner waistline in 30 days without doing crunches.

A fitness expert explains why training your obliques two to three days a week is the ideal frequency to sculpt your waist.

People swear by the 3-2-1 workout method for a slim waist. A personal trainer breaks down the benefits of the viral routine.

We chatted with a trainer to learn the five best core moves to sculpt a lean waistline in just ... helping to create definition along the sides of your waist," Garcia tells us.

Oblique training should complement your core workouts, especially if you want to sculpt and tone your waistline. "The best types of workouts to target this would be things like side planks or ...