Oblique crunches on the floor target the abdominal muscles, especially the obliques, by incorporating a twisting motion as you crunch up. This exercise is performed lying on your back, using only body weight, and is suitable for most fitness levels.
Also Works
Obliques
How to Perform
1
Lie on your back with your knees bent and feet flat on the floor.
2
Place your hands behind your head or cross them over your chest.
3
Engage your abs and lift your shoulder blades off the floor, rotating your torso to one side.
4
Pause for a moment, then lower your shoulder blades back down to the floor.
5
Repeat on the other side, alternating sides with each repetition.