What you'll gain

• Builds visible oblique definition through resisted rotation.

• Develops rotational core strength for sport and daily movement.

• Improves trunk stability and bracing under load.

Step-by-Step Instructions

1. 1

   Sit on the floor with the knees bent and hold a single dumbbell with both hands at the chest.

2. 2

   Lean the torso back to about a 45 degree angle and lift both feet a few inches off the floor.

3. 3

   Brace the core hard and stack the ribs over the hips, with the chest lifted and the back flat.

4. 4

   Rotate the dumbbell across the body to one side until it taps the floor next to your hip.

5. 5

   Pause briefly at the side with the obliques engaged, then rotate to the other side under control.

6. 6

   Continue alternating side to side for the full set, keeping the feet lifted and the core braced.

Common Mistakes

• Rounding the lower back as you twist, which loads the spine instead of the obliques.

• Moving only the arms side to side without rotating through the torso, missing the oblique work.

• Putting the feet down between reps, which removes most of the core stability demand.

• Loading too heavy, which forces a swinging cheat rep and loses the controlled rotation.

About This Exercise

The dumbbell Russian twist is a seated rotational core exercise performed by leaning back, lifting the feet off the floor, and rotating a single dumbbell side to side across the body. It directly trains the obliques and abs through resisted rotation, building the rotational strength that sport and daily life both demand. For app and content use, this is the loaded core exercise to ship in any rotation-focused block. It belongs in core-day flows, sport-specific programs for golfers, fighters, and tennis players, and any hypertrophy program that wants visible oblique development. Use the bodyweight version as the regression for beginners and the dumbbell version as the natural progression in the same program.

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