Primary Muscle Group: Abdominal Obliques
Muscle Groups Worked in This Exercise: Obliques and Rectus Abdominis
Preparation: Hook feet under foot brace and lie supine on incline board with hips bent. Hold medicine ball close to chest with both hands.
Breathing: Breath out on the contraction of the muscle and breath back in on the way back to the start position.
Execution: Flex and twist the waist to one direction while raising the torso from bench by bending hips. Return until the back of the shoulders contact the padded incline board. Repeat to the opposite side alternating twists.
Comments: Exercise can be performed without added weight until more resistance is needed. Elevate incline to increase resistance.