Lie on your back with your hips and knees both at 90-degree angles. Using your low abs, press your lower back into the mat. Raise your arms toward the ceiling, palms facing each other, keeping the elbow joint slightly bent.
Keeping your torso stable, open your arms out to the sides until your elbows are about two inches from the floor.
Raise your arms back to the ceiling, bringing the weights together over your chest. This counts as one rep.