The exercise "Russian Twist" trains the main abdominal muscle groups. Back, buttock and arm muscles are also used, which makes forearm support the optimal full-body exercise.
With just a few minutes of training a day, you can achieve enormous success with the exercise. Especially the oblique abdominal muscles, but also the straight muscles at the front of the abdomen become stronger. The lower abdominal muscles also have to work, which has a firming effect on the lower abdomen. As if that weren't enough, the exercise also defines the shoulders and back.