Watch Abdominal exercise. Ab&core street workout.
- 2017
- 3 min
Abdominal exercises will strengthen not only your bones and muscles of the back, but they'll also strengthen your entire midsection-which takes weight and pressure off your back.
Abdominal exercises will strengthen not only your bones and muscles of the back, but they'll also strengthen your entire midsection-which takes weight and pressure off your back.