Following the success of the first two 7 Weeks books this book takes the same proven popular approach to sit-ups. It's simple, daily schedule for 7 weeks allows readers to build the strength needed to do 200 consecutive sit-ups and build visible ab muscles and tight, impressive core strength.
Read More
Following the success of the first two 7 Weeks books this book takes the same proven popular approach to sit-ups. It's simple, daily schedule for 7 weeks allows readers to build the strength needed to do 200 consecutive sit-ups and build visible ab muscles and tight, impressive core strength.
Read Less