Here’s a guide to the ideal set and rep schemes for the Russian twist based on five common training goals: The Russian twist is a dynamic core movement that focuses on the obliques at the sides of the waist. It also engages the abdominals and the lower back. One of the most popular, basic exercises that trains rotation is the Russian twist . Done properly, it can fire up your core and strengthens your abs to promote better movement. But, many people... The Russian twist is a simple abdominal exercise for working the core, shoulders, and hips. It is typically performed in repetitive sets and tones the core muscles via a twisting motion focused around the abdomen. [1] Find out how to do a Russian twist . Learn what muscles are used, the health benefits of Russian twists , and tips about mistakes to avoid.