ダンベルロシアンツイスト

A seated rotational core exercise with a dumbbell to strengthen the obliques and improve core stability.

Instructions:

• Sit on the floor holding a dumbbell with both hands in front of your chest.

• Lean back slightly, keeping your back straight, and lift your feet off the floor.

• Engage your core and rotate your torso to one side, bringing the dumbbell toward the floor beside your hip.

• Rotate to the opposite side in a controlled motion.

• Alternate sides for the desired number of repetitions.

Common mistakes:

• Rounding the lower back

• Using the arms instead of rotating the torso

• Moving too quickly without control

• Letting the feet touch the floor