100 упражнений с фитболом

The only stability ball ab workout resource you’ll ever need! Rob demonstrates 100 of the many variations of abs exercises using the stability ball. Exercises are presented in groups of 10, so to progress through the stages, work on one group at a time in your abs workout. Once you can complete 30 seconds of each exercise with perfect form, then you can move on to the next stage. *cute cats not included