[youtube]http://www.youtube.com/watch?v=5_XWiz6hx1s[/youtube]
Instructions
Preparation
- Lie flat on your back on an inclined exercise bench.
- Swing your arms upward and grab the bar with both hands over head for balance.
- Lift both legs an inch or two off the bench and point your toes upward.
Execution
Raise your right knee so that your thigh forms a right angle with the floor.
Return
Simultaneously lower your right knee back to its original position while raising your left knee.