The overhead press is an indispensable movement that should be in any serious strength athlete's arsenal. However, considering how many people can't seem to lift overhead without issues, it's also usually a movement that is best worked up to.
That's what you've been doing over the first three weeks of Built by Science: strengthening your rear and lateral delts, upper back, and rotator cuff through a steady diet of face-pulls, push-ups, rows, and bent-over laterals. Today, we're going to use the foundation that you've been building and apply it to the overhead barbell press.
If you don't feel ready—or more importantly, if you feel pain when you press—don't try to force it. Whether by genetics or injury history, some people's shoulders simply aren't up to the task. If that describes you, stick with single-arm dumbbell presses like you've been doing so far in the trainer, or use two dumbbells with a neutral (palms-facing) grip. These are still fantastic shoulder-builders.