If exercises like planks and tricep kickbacks are programmed into your weekly workouts, it's time to replace them for more effective muscle-building moves. Exercise scientist Mike Israetel revealed ...

It just takes one big trip to the grocery store to realize how important arm strength is. And even if you regularly work out your arms, you might be missing one crucial muscle. We often spend plenty ...

How to: Stand with your knees bent and lean forward slightly, with a dumbbell in each hand. Keeping your back straight, bend your dumbell-holding arm 90 degrees at the elbow so your triceps are ...

One of the keys to adding size to your arms is building a strong, powerful set of triceps. But it's not always easy to hit your tris. Building triceps muscle means learning to squeeze your triceps, ...

Stronger triceps means stronger, more toned arms. Try these research-backed exercises to build strength, power, and definition.