1
Lie supine on a stability ball with the ball positioned under the lower back, feet planted firmly on the floor hip-width apart, knees bent at approximately 90 degrees, and maintain neutral spine alignment with hips level with the ball.
2
Hold a dumbbell with both hands at chest level, securing it close to the body. Engage core muscles by bracing the abdomen. Position head in neutral alignment with spine throughout the movement.
3
Slowly lower the torso backward over the stability ball by extending the spine, allowing the abdominal muscles to lengthen and stretch. Maintain control and keep the dumbbell at chest height. Lower to approximately 20-30 degrees of spinal extension without hyperextending.
4
Contract the abdominal muscles and pull the torso upward and forward, flexing the spine to return to the starting position. Drive through core engagement rather than momentum. Squeeze the rectus abdominis at the top of the movement before beginning the next repetition.