You might be surprised how much you're already hitting this valuable muscle group. Here's how to avoid going overboard.

Lie with your stomach on an incline bench, holding dumbbells or a curl bar with your arms straight below your shoulders. Drop the weight down low and really focus on the eccentric (lowering) portion ...

Build bigger, stronger arms in less time with this biceps and triceps superset workout. It’s going to hurt, but it’ll be ...

This 7-minute standing routine builds strong, toned arms, boosts balance, and can outperform weight machines for adults over 50.