Lie on an incline bench set at 45. Grasp the barbell slightly wider than shoulder width and lift it directly above your upper chest, with arms straight.

Breathe in as you lower the bar down to your upper pecs. Stop for a second at the bottom, then contract your pecs forcefully to extend your arms and bring the bar back to the start, stopping just before elbow lockout. Breathe out on the way up. Repeat.