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 ...

The secret to a strong AF upper body: regularly nailing tricep exercises. This part of the arm often gets lost in the workout shuffle—while moves like bicep curls and overhead presses take main stage.

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 ...