Plank on the Ball
This quick workout adds a ball which intensifies the plank workout in order to strengthen and tighten the entire core. These muscles need to be strong to prevent excessive wear and tear on the spine.
This quick workout adds a ball which intensifies the plank workout in order to strengthen and tighten the entire core. These muscles need to be strong to prevent excessive wear and tear on the spine.
To view this site, you need to have Flash Player 9.0.115 or later installed. Click
here to get the latest Flash player.