Exercise Ball Back Extension with Hands Behind Head

Instructions

1. Position your hips on an exercise ball with feet anchored against a wall or rack.
2. Place both hands behind your head and lower your torso toward the floor.
3. Engage the lower back and glutes to raise the torso until the body forms a straight line.
4. Hold briefly at the top, then lower back down with control.
5. Repeat for the target reps, avoiding hyperextension at the top.