| Lie on bench or mat, supine positioned, flex legs and hips. Slightly lift head and thoracic spine. Put heels on floor and pull toes towards knees. |
Lift torso by flexing spine as far as you can. Simultaneously pull one knee towards chest. Exhale! Return to starting point, inhale and repeat using opposite leg. |
Alway keep lumbar spine on floor. Use a weight plate behind head or on chest to increase workload. |