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.
Your abdominals need variety if you want to see improvements, according to Len Kravitz, Ph.D. from the University of New Mexico. The medicine ball Russian twist offers a challenging workout for your core which includes your abdominal and back muscles. The American College of Sports Medicine recommends a ball weight that slows down your movement so you have to use control, but not so heavy that your form is affected.