... you to slim, tone, and firm your muscles. Abdominal Fitness Equipment works your ABS, arms, shoulders and waist. Ab roller ... do many excercises like abdominal stretch, seated hamstring stretch, v-hamstring stretch, shoulder and bicep stretches, therapy stretches, vertical ... and strengthens in just minutes a day. With this abdominal fitness equipment one can work on ABS, waistline, obliques, arms, chest ...