3. Satisfy your outstanding obligations. You are responsible for clearing all outstanding obligations, (e.g., library fines, student accounts) before registering for classes. 4. Register for classes. See dates, times and options for Summer 2017 registration Â».
The Russian twist is a seated exercise. After a five-minute warm-up of rhythmic activities, such as walking or light cycling, sit on the floor or on a mat with your knees bent, your heels on the floor and your toes pointing up.
Russian twists are one of the best ways to work your obliques, the muscles that help rotate your torso. However, without strong obliques, all the support of the core falls to the abdomen and lower back. Anatomy. There are two sets of obliques, internal and external.