It's easy to focus on biceps and triceps exercises during my upper-body workout. Sometimes I even throw in some back moves. But my go-to arm routine was missing a major muscle group: rear deltoids.

One of the unsung heroes of dumbbell exercises, the lying rear delt fly not only strengthens your shoulder muscles but also helps prevent shoulder injuries. Mastering this exercise will bolster your ...

Broad shoulders aren’t built by accident, nor are they developed quickly. If you want capped delts that make your arms and upper body stand out, you need more than random presses and flyes. Each delt ...