Performing the: A Step-by-Step Tutorial Weighted Russian Twist
Lean back slightly, maintaining a straight spine, to engage your abs, then lift your feet off the ground so you're balancing on your sit bones.
Twist your torso to the right and touch the weight to the ground next to your body.
Then, twist your torso to the left and touch the weight to the ground on your left side.
Continue alternating sides for your desired amount of reps, maintaining the balance on your sit bones and keeping your core engaged throughout the exercise.