Russian Twist

The Russian Twist is a dynamic core rotation exercise that develops rotational strength, oblique endurance, and anti-rotation stability through bodyweight or weighted movements. This exercise is ideal for intermediate fitness enthusiasts and athletes seeking improved rotational power, core definition, and functional core strength. The Russian twist challenges the rectus abdominis, obliques, and transverse abdominis through dynamic rotation while improving rotational mobility.

NASM’s evidence-based approach emphasizes rotational core training for developing comprehensive core strength and sport-specific power. The Russian twist improves rotational core strength, oblique definition, functional movement quality, and translates to improved athletic performance in sports requiring rotational power.

How to Perform a Russian Twist

Step 1: Setup

Sit on the floor with your knees bent and feet flat on the ground or elevated slightly off the floor. Hold a weight or medicine ball at chest level with both hands.

Step 2: Brace/Position

Lean backward slightly to engage your core while maintaining an upright torso. Position your weight toward your center and prepare for rotational movement.

Step 3: Execute/Drive

Rotate your torso to one side, moving the weight across your body in a controlled arc. Lead with your shoulders and focus on oblique contraction throughout the rotation.

Step 4: Return/Descent

Rotate back through center and continue to the opposite side in a smooth, continuous motion. Perform repetitions in an alternating pattern, focusing on controlled rotation throughout.

Muscles Worked

Primary Muscles:

• Obliquus Externus Abdominis -- primary mover for torso rotation and oblique contraction
• Obliquus Internus Abdominis -- assists in torso rotation from opposite side

Secondary Muscles:

• Rectus Abdominis
• Transverse Abdominis
• Core Stabilizers

Common Mistakes

• Using excessive momentum and allowing the weight to swing rather than controlled rotation
• Jerky or uncontrolled rotations, which reduce time under tension and core activation
• Rounding the spine or losing postural alignment during rotation
• Failing to achieve adequate range of motion, which limits oblique engagement
• Inadequate core engagement, which reduces exercise effectiveness and increases lower back strain

Russian Twist Variations

• Reverse Crunch to Knee Up With Rotation
• Side Plank
• Dead Bug

As part of NASM's evidence-based approach to movement and strength training, the russian twist reinforces proper movement mechanics essential to long-term performance and injury prevention. NASM-certified personal trainers use the Optimum Performance Training (OPT) model to integrate exercises like the russian twist into individualized programs based on each client's assessment results.

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