Dumbbell Russian twist is a core-focused rotational exercise that targets your abdominals, obliques, and several stabilizing muscles throughout your torso and hips. 🧠 Primary Muscles Worked 1. Obliques (internal & external) • These are the main muscles activated. • They control the twisting motion of your torso and help with spinal rotation and stability. 2. Rectus Abdominis (“six-pack” muscles) • Engaged to maintain your torso in a semi-reclined position. • Works isometrically (holding tension