I don't know about 40 in one but the workouts it enables are pretty good and thorough. Mostly core, arms, shoulders and waist as far as my pain tells me. Nice thing is, it's light and portable so a good travel fitness gadget/routine
FEATURES
- Powerful workout
- Defines upper, middle, lower and oblique abs
- Get and attractive waist and defined abs in Just 5 minutes a day!
- 6 training levels
- Develops your chest, back arms, shoulders and abs in one movement
- Shapes your body quickly and easily without effort
- Assisted bidirectional power technology
- So compact you can take it anywhere
THE SET INCLUDES:
- Revoflex Xtreme
- Carry case
- Exercise guide
