A waist exercise targeting the abs, performed with weighted.

Sit on a stability ball with your feet flat on the ground and your knees bent at a 90-degree angle.
Hold a weight plate or dumbbell with both hands close to your chest.
Engage your core and slowly rotate your torso to one side, keeping your hips stable.
Pause for a moment at the end of the rotation, then slowly return to the starting position.
Repeat the rotation to the other side.
Continue alternating sides for the desired number of repetitions.
Primary (target)
Secondary
Log your sets and the app does the rest — automatic PR detection, progression charts for every lift, and progressive overload that adjusts your next workout. Paired with AI nutrition coaching so your training and your plate pull in the same direction.
Planning your next heavy session? Estimate your max with the One Rep Max Calculator and build up to it with the Warm-up Calculator. More free tools →