| Lie on bench or floor, supine positioned. Flex spine to lift upper torso off floor and hold knees about rightangled. Keep heels on floor and flex feet towards knees. |
Raise torso by flexing and twisting spine and waist to one side. Simultaneously raise opposite leg. Return, keep lumbar spine in floor. Repeat.
Train the opposite side too. |
Hold some weight to your chest to increase workload. Always keep neck in neutral position. |